Embryology Of The Genitourinary System! Trivia Quiz

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  • 1/54 Questions

    Choose the correct order for developmental stages.

    • Metanephros,Pronephros, Mesonephros
    • Pronephros, Metanephros, Mesonephros
    • Pronephros, Mesonephros, Metanephros
    • Metanephros, Mesonephros, Pronephros
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About This Quiz

. Do you know the embryology of the genitourinary system? There are different steps that an embryo goes through before it is formed into a baby and the trivia quiz is perfect for figuring out just how much you know about them. How about you give it a try and get to refresh your memory on the stages it goes through. All the best and keep an eye out for more quizzes just like it to perfect your understanding!

Embryology Of The Genitourinary System! Trivia Quiz - Quiz

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  • 2. 

    Final Stage of renal development.

    • Metanephros

    • Mesonephros

    • Pronephros

    Correct Answer
    A. Metanephros
    Explanation
    The correct answer is Metanephros. The three terms listed represent different stages of renal development. Pronephros is the initial stage, followed by Mesonephros, and finally, Metanephros is the final stage. Therefore, Metanephros is the correct answer as it represents the last stage of renal development.

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  • 3. 

    Passes through the inguinal canal at the 8th month.

    • Testis

    • Ovaries

    • Uterus

    Correct Answer
    A. Testis
    Explanation
    During fetal development, the testis descends from the abdomen into the scrotum through a passage called the inguinal canal. This process typically occurs around the 8th month of pregnancy. Therefore, the correct answer is testis.

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  • 4. 

    The functioning unit of the testis is the seminiferous tubules

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The seminiferous tubules are the functional units of the testis. They are responsible for the production of sperm through a process called spermatogenesis. These tubules are lined with specialized cells called Sertoli cells, which support and nourish the developing sperm cells. The seminiferous tubules also contain Leydig cells, which produce testosterone, a hormone necessary for the development and maintenance of male reproductive organs and secondary sexual characteristics. Therefore, it is true that the functioning unit of the testis is the seminiferous tubules.

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  • 5. 

    Which developmental stage disappears after week 4 of life?

    • Metanephros

    • Pronephros

    • Mesonephros

    Correct Answer
    A. Pronephros
    Explanation
    The pronephros is the first developmental stage of the kidney that appears during embryonic development. It forms in the early weeks of life but disappears after week 4. The pronephros is eventually replaced by the mesonephros, which is the next stage of kidney development. Therefore, the correct answer is Pronephros.

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  • 6. 

    Spermatozoa is produced in the seminiferous tubules.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Spermatozoa, also known as sperm cells, are indeed produced in the seminiferous tubules. These tubules are located within the testes and are responsible for the production of sperm through a process known as spermatogenesis. Spermatogenesis involves the division and maturation of germ cells within the seminiferous tubules, resulting in the formation of spermatozoa. Therefore, the statement that spermatozoa is produced in the seminiferous tubules is correct.

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  • 7. 

    Metonephric cap continues to grow.

    • Metanephros

    • Mesonephros

    • Pronephros

    Correct Answer
    A. Metanephros
    Explanation
    The correct answer is Metanephros. The metanephros is the final stage of kidney development in vertebrates. It is derived from the metonephric cap, which continues to grow and differentiate into the functional adult kidney. The metanephros is responsible for urine production and waste filtration in the body.

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  • 8. 

    The network of strands forms that is continuous with the testis cords.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The network of strands that is continuous with the testis cords refers to the structure of the male reproductive system. The testis cords are structures within the testes that contain the developing sperm cells. These cords are connected to a network of strands, which are responsible for transporting the sperm cells to the epididymis and eventually to the vas deferens. Therefore, it is true that the network of strands is continuous with the testis cords.

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  • 9. 

    The Hymen is the what?

    • The remains of the testis

    • The remains of the mullerian tubercle

    • The labia minora

    Correct Answer
    A. The remains of the mullerian tubercle
    Explanation
    The hymen is the remains of the mullerian tubercle. The mullerian tubercle is a structure that forms during fetal development and gives rise to the female reproductive organs. In females, the hymen is a thin membrane located at the opening of the vagina. It is a remnant of the mullerian tubercle and can vary in shape and size among individuals. The hymen is often associated with virginity and can be stretched or torn during sexual intercourse or other activities, but its presence or absence does not determine a person's sexual history.

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  • 10. 

    During embryogenesis, the fetus develops genital structures that are influenced by the presence or absence of _____________.

    • Uterus

    • Bacteria

    • Testis

    • Hormones

    Correct Answer
    A. Hormones
    Explanation
    During embryogenesis, the fetus develops genital structures that are influenced by the presence or absence of hormones. Hormones play a crucial role in the development of reproductive organs in both males and females. They regulate the differentiation of the genital tissues, the formation of external genitalia, and the development of secondary sexual characteristics. In the absence or imbalance of hormones, the fetus may develop ambiguous or incomplete genital structures. Therefore, the correct answer is hormones.

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  • 11. 

    The testis remain where until the seventh month?

    • Abdominal end of the inguinal canal

    • Scrotal sac

    • Mullerian duct

    Correct Answer
    A. Abdominal end of the inguinal canal
    Explanation
    During fetal development, the testes initially form in the abdominal cavity near the kidneys. As the fetus grows, the testes gradually descend through a structure called the inguinal canal into the scrotal sac. This descent typically occurs by the seventh month of pregnancy. Therefore, the correct answer is the "abdominal end of the inguinal canal" as the testes remain there until the seventh month before descending into the scrotal sac.

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  • 12. 

    Remnants contribute to development of male genital system.

    • Metanephros

    • Mesonephros

    • Pronephros

    Correct Answer
    A. Mesonephros
    Explanation
    The mesonephros is the middle stage of kidney development in vertebrates, including humans. It plays a crucial role in the development of the male genital system, as it gives rise to the Wolffian ducts, which are responsible for the formation of the epididymis, vas deferens, and seminal vesicles. The mesonephros also produces hormones that are important for the development of the male reproductive organs. Therefore, the mesonephros is directly involved in the development of the male genital system.

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  • 13. 

    'what do the uterine/fallopian tubes develop from?

    • Mullerian duct

    • Sinus duct

    • Round ligament

    • Gubernaculum

    Correct Answer
    A. Mullerian duct
    Explanation
    The correct answer is mullerian duct. The uterine/fallopian tubes develop from the mullerian duct. The mullerian duct is a structure that forms during embryonic development and gives rise to the female reproductive system, including the fallopian tubes, uterus, and upper part of the vagina. The sinus duct, round ligament, and gubernaculum are not involved in the development of the uterine/fallopian tubes.

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  • 14. 

    Degenerates around the 8th week of life.

    • Pronephros

    • Mesonephros

    • Metanephros

    Correct Answer
    A. Mesonephros
    Explanation
    The mesonephros is a temporary kidney structure that develops in the embryo around the 8th week of life. It is the second stage of kidney development, following the pronephros. The mesonephros functions as an interim kidney before the permanent kidney, the metanephros, develops. Therefore, the given answer is correct as it accurately identifies the stage at which the mesonephros degenerates during embryonic development.

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  • 15. 

    What stage are ureters developed in?

    • Metanephros

    • Mesonephros

    • Pronephros

    Correct Answer
    A. Metanephros
    Explanation
    The correct answer is Metanephros. The metanephros is the final stage of kidney development in mammals, including humans. It is during this stage that the ureters, which are the tubes that connect the kidneys to the bladder, are fully developed. The metanephros is responsible for the production of urine and the regulation of electrolyte balance in the body.

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  • 16. 

    Numerous outgrowth from renal pelvis from the primary collecting ducts occurs in what stage?

    • Mesonephros

    • Pronephros

    • Metanephros

    Correct Answer
    A. Metanephros
    Explanation
    The correct answer is Metanephros. The metanephros stage is characterized by the development of numerous outgrowths from the renal pelvis, which are derived from the primary collecting ducts. This stage represents the final stage of kidney development in mammals, where the functional nephrons are formed.

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  • 17. 

    The ureter ascends and rotates to a _____degree angle from the kidney.

    • 60

    • 90

    • 120

    Correct Answer
    A. 90
    Explanation
    The ureter ascends and rotates to a 90-degree angle from the kidney. This means that the ureter, which is the tube that carries urine from the kidney to the bladder, moves upwards and turns at a 90-degree angle as it leaves the kidney. This angle allows for proper urine flow and prevents backflow of urine into the kidney.

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  • 18. 

    Most primitive renal structures in humans?

    • Pronephros

    • Mesonephros

    • Metanephros

    Correct Answer
    A. Pronephros
    Explanation
    The most primitive renal structure in humans is the pronephros. This is the earliest form of the kidney that develops during embryonic development. It is a temporary structure that functions in the production of urine, but is not fully functional in terms of filtration. The pronephros is eventually replaced by the mesonephros and then the metanephros, which are more developed and functional kidney structures. Therefore, while the mesonephros and metanephros are also renal structures in humans, they are more advanced and not considered the most primitive.

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  • 19. 

    The ureteral bud originates from where?

    • Renal Duct

    • Wolf Duct

    • Sinus Duct

    • Wolffian Duct

    Correct Answer
    A. Wolffian Duct
    Explanation
    The ureteral bud originates from the Wolffian Duct. The Wolffian Duct is a structure that develops in the embryo and gives rise to the male reproductive system. It also plays a role in the development of the urinary system, including the formation of the ureteral bud. The ureteral bud eventually grows and differentiates into the ureter, which connects the kidneys to the bladder.

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  • 20. 

    The location between the uterus and labia majora becomes what?

    • Ovarian ligament

    • Round ligament

    • Long ligament

    Correct Answer
    A. Round ligament
    Explanation
    The round ligament is a ligament that connects the uterus to the labia majora. During pregnancy, this ligament helps to support the uterus and keeps it in its proper position. It also plays a role in the movement and positioning of the uterus during various activities. Therefore, the location between the uterus and labia majora becomes the round ligament.

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  • 21. 

    The mullerian ducts form the uterovaginal canal and the septum disappears?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because during embryonic development, the mullerian ducts in females give rise to the uterovaginal canal, which includes the uterus and vagina. As the development progresses, the septum that initially separates the mullerian ducts disappears, allowing for the formation of a single uterovaginal canal.

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  • 22. 

    Paired mesenchymal columns within the shaft of the penis.

    • Corpora cavernosa

    • Circular coronary sulcus

    • Glands penis

    • Penile urethra

    Correct Answer
    A. Corpora cavernosa
    Explanation
    The paired mesenchymal columns within the shaft of the penis are known as the corpora cavernosa. These columns are responsible for the erectile function of the penis. When stimulated, they fill with blood and cause the penis to become erect. The corpora cavernosa are surrounded by a fibrous sheath and are located on the dorsal side of the penis.

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  • 23. 

    The ureteral bud expands to form renal pelvis.

    • Pronephros

    • Metanephros

    • Mesonephros

    Correct Answer
    A. Metanephros
    Explanation
    The correct answer is metanephros. The metanephros is the final form of the kidney in vertebrates, including humans. It develops from the ureteral bud, which is an outgrowth of the mesonephric duct. The ureteral bud expands and gives rise to the renal pelvis, which is the central collecting region of the kidney. This process occurs during embryonic development and is essential for the formation of functional kidneys. The pronephros and mesonephros are earlier stages of kidney development, but it is the metanephros that ultimately forms the renal pelvis.

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  • 24. 

    The ventral portion of the urogenital sinus forms the _______________.

    • Bladder

    • Ureters

    • Trigone

    Correct Answer
    A. Bladder
    Explanation
    The ventral portion of the urogenital sinus forms the bladder. The urogenital sinus is a structure that develops during embryonic development and eventually gives rise to the urinary and reproductive systems. The ventral portion specifically contributes to the formation of the bladder, which is an organ responsible for storing urine before it is eliminated from the body. The bladder is located in the pelvic region and has the capacity to expand and contract as urine is produced by the kidneys and transported through the ureters.

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  • 25. 

    The renal pelvis pushes into the developing ___________ to form collecting ducts.

    • Parenchyma

    • Mullerian

    • Endodermal

    Correct Answer
    A. Parenchyma
    Explanation
    During development, the renal pelvis, which is part of the kidney, extends into the parenchyma. The parenchyma is the functional tissue of an organ, in this case, the kidney. This extension forms the collecting ducts, which are responsible for transporting urine from the nephrons to the renal pelvis.

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  • 26. 

    Composed of metemorphic tubules.

    • Pronephros

    • Mesonephros

    • Metanephros

    Correct Answer
    A. Metanephros
    Explanation
    The correct answer is Metanephros. The explanation for this answer is that the metanephros is composed of metemorphic tubules. This means that the metanephros is made up of tubular structures that have undergone metamorphosis or transformation. The pronephros and mesonephros are not composed of metemorphic tubules, so they are not the correct answer.

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  • 27. 

    What tissue forms the loop of Henle?

    • Mesonephric

    • Methanephric

    • Pronephros

    Correct Answer
    A. Methanephric
    Explanation
    The correct answer is Methanephric. The loop of Henle is a structure found in the kidney and is part of the nephron, which is the functional unit of the kidney. It plays a crucial role in the reabsorption of water and electrolytes. The loop of Henle is formed by the methanephric tissue, which is derived from the metanephros, the permanent kidney that develops during embryonic development. The mesonephric tissue forms the mesonephros, which is a temporary kidney in early embryonic stages. The pronephros is the most primitive kidney that develops in the embryo but does not contribute to the formation of the loop of Henle.

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  • 28. 

    The Labia minora is formed from?

    • Urethral folds

    • Ureter folds

    • Urethral lips

    • Mullerian remains

    Correct Answer
    A. Urethral folds
    Explanation
    The Labia minora is formed from the urethral folds. During fetal development, the urethral folds in the genital region fuse together and give rise to the Labia minora in females. These folds develop alongside the urogenital sinus and eventually differentiate into various structures of the female reproductive system, including the Labia minora.

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  • 29. 

    Originates as buds from mesonephric duct that joins the cloaca during the 8th week of life.

    • Metanephros

    • Mesonephros

    • Pronephros

    Correct Answer
    A. Metanephros
    Explanation
    During the 8th week of life, the metanephros originates as buds from the mesonephric duct, which then joins the cloaca. This process leads to the development of the metanephros, which is the permanent kidney in humans. The mesonephros and pronephros are also involved in kidney development, but the metanephros is the final and functional kidney in the adult stage.

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  • 30. 

    Arises from intermediate mesodermic tissue.

    • Pronephros

    • Mesonephros

    • Metanephros

    Correct Answer
    A. Pronephros
    Explanation
    Pronephros arises from intermediate mesodermic tissue.

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  • 31. 

    What do the ovaries attach to?

    • Gubernaculum

    • Mullerian

    • Mesonephric

    Correct Answer
    A. Gubernaculum
    Explanation
    The correct answer is "gubernaculum." The gubernaculum is a ligament-like structure that helps to guide the descent of the ovaries during fetal development. It attaches the ovaries to the developing uterus and aids in their proper positioning within the pelvic cavity. The mullerian and mesonephric are other structures related to the development of the reproductive system, but they do not directly attach to the ovaries.

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  • 32. 

    The gonad forms into either the testis or ovary at what week?

    • 7

    • 8

    • 12

    Correct Answer
    A. 7
    Explanation
    During fetal development, the gonad, which is the precursor to the reproductive organ, starts to differentiate into either a testis or an ovary at around the 7th week. This is a critical stage in sexual development where the genetic sex of the individual is determined. Therefore, the correct answer is 7.

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  • 33. 

    What happens in the 14th week?

    • The glans penis becomes defined

    • Urethral folds start to fuse

    • The fusion is complete

    Correct Answer
    A. The fusion is complete
    Explanation
    In the 14th week of development, the urethral folds start to fuse, and by this time, the fusion process is complete. This means that the two separate folds have joined together to form a single structure. It is an important milestone in the development of the male genitalia. The fusion creates the urethral tube, which is responsible for carrying urine from the bladder to the outside of the body.

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  • 34. 

    The Genital tubercle forms what?

    • Phallus

    • Corpora cavernosa

    • Urogenital sinus orifice

    Correct Answer
    A. Phallus
    Explanation
    The genital tubercle is a structure that forms during embryonic development and gives rise to the phallus, which is the male external genitalia. It is responsible for the development of the penis in males. The other options, corpora cavernosa and urogenital sinus orifice, are not directly formed by the genital tubercle.

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  • 35. 

    It is the principal excretory organ during early embryonic life.

    • Pronephros

    • Mesonephros

    • Metanephros

    Correct Answer
    A. Mesonephros
    Explanation
    The mesonephros is the correct answer because it is the principal excretory organ during early embryonic life. The mesonephros is a temporary kidney structure that develops in the embryo and functions to filter waste products from the blood and excrete them as urine. It is eventually replaced by the metanephros, which becomes the permanent kidney in later stages of development. The pronephros, on the other hand, is the most primitive and non-functional form of kidney in vertebrate embryos.

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  • 36. 

    Endodermal tissue from the dorsal portion of the urogenital sinus forms what?

    • Distal urethra

    • Proximal urethra

    • Entire urethra

    Correct Answer
    A. Distal urethra
    Explanation
    The endodermal tissue from the dorsal portion of the urogenital sinus forms the distal urethra. The urogenital sinus is a structure that develops during embryonic development and gives rise to the urinary and reproductive systems. The urethra is a tube that carries urine from the bladder to the external environment. The distal urethra refers to the portion of the urethra that is closer to the external opening, while the proximal urethra is closer to the bladder. Therefore, the correct answer is the distal urethra, as it is formed from the endodermal tissue of the dorsal portion of the urogenital sinus.

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  • 37. 

    What happens at the 10th week?

    • Urethral folds start to fuse

    • The fusion is complete

    • The glans penis becomes defined

    Correct Answer
    A. Urethral folds start to fuse
    Explanation
    At the 10th week of development, the urethral folds start to fuse. This fusion is an important step in the formation of the male genitalia. It leads to the closure of the urethral groove, which eventually forms the urethra. This process is crucial for the proper development of the urinary and reproductive systems in males. The fusion of the urethral folds marks a significant milestone in the embryonic development of the male genitalia.

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  • 38. 

    The gubernaculum becomes what

    • Round ligament

    • Labia majora

    • Ovarian ligament

    Correct Answer
    A. Ovarian ligament
    Explanation
    The gubernaculum is a structure in the fetal development of both males and females. In males, it guides the descent of the testes into the scrotum. In females, it becomes the ovarian ligament, which attaches the ovary to the uterus. This ligament plays an important role in stabilizing the position of the ovary within the pelvic cavity.

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  • 39. 

    The sinovaginal node receives a limited contribution from what?

    • Urogenital sinus

    • Mesonephric duct

    • Hymen

    Correct Answer
    A. Urogenital sinus
    Explanation
    The sinovaginal node receives a limited contribution from the urogenital sinus. The urogenital sinus is a structure that forms during embryonic development and gives rise to the lower part of the urinary system and the reproductive system in females. The sinovaginal node is a lymph node located near the vaginal opening, and it plays a role in the immune response in the female reproductive system. While the urogenital sinus contributes to the development of the reproductive system, it only provides a limited contribution to the sinovaginal node.

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  • 40. 

    The ventral portion of the urogenital sinus forms ___________.

    • Bladder and entire urethra of females

    • Bladder and entire urethra of males

    • Bladder only of males

    • Urethra only

    Correct Answer
    A. Bladder and entire urethra of females
    Explanation
    The ventral portion of the urogenital sinus forms the bladder and entire urethra of females. This means that in females, the ventral portion of the urogenital sinus is responsible for the development of both the bladder and the entire urethra.

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  • 41. 

    The Gubernaculum is located where?

    • Between the uterus and ovary

    • Between the ovary and fallopian tubes

    • Between the ovary and ovarian ligament

    Correct Answer
    A. Between the uterus and ovary
    Explanation
    The Gubernaculum is a structure located between the uterus and ovary. It plays a role in the descent of the ovaries during fetal development. It helps guide the ovaries from their original position near the kidneys to their final position in the pelvis. This structure eventually degenerates in females, but in males, it develops into the ligament that helps guide the testes into the scrotum.

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  • 42. 

    The urinary bladder develops from what tissue?

    • Mesodermal

    • Methanephric

    • Endodermal

    Correct Answer
    A. Endodermal
    Explanation
    The urinary bladder develops from endodermal tissue. During embryonic development, the endoderm layer gives rise to various organs and tissues, including the urinary bladder. This tissue layer forms the innermost layer of the embryo and is responsible for the development of the digestive and respiratory systems, as well as the urinary system. Therefore, the correct answer is endodermal.

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  • 43. 

    Contains structures similar to the nephron of the mature kidney.

    • Pronephros

    • Mesonephros

    • Metanephros

    Correct Answer
    A. Mesonephros
    Explanation
    The mesonephros is the correct answer because it contains structures that are similar to the nephron of the mature kidney. The mesonephros is an embryonic structure that functions as the temporary kidney in early development. It consists of nephrons, which are the functional units of the kidney responsible for filtering blood and producing urine. These nephrons in the mesonephros have similar structures to those found in the mature kidney, making it the correct choice.

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  • 44. 

    Develops a cup-like outgrowth into which a knot of capillaries is pushed. AKA: Bowman's capsule.

    • Metanephros

    • Mesonephros

    • Pronephros

    Correct Answer
    A. Mesonephros
    Explanation
    The correct answer is Mesonephros. Mesonephros is a temporary kidney structure in vertebrate embryos that develops a cup-like outgrowth called Bowman's capsule, into which a knot of capillaries is pushed. This structure plays a crucial role in the filtration of blood and the formation of urine in the developing embryo.

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  • 45. 

    Adjacent to somites 4 through 14.

    • Metanephros

    • Mesonephros

    • Pronephros

    Correct Answer
    A. Pronephros
    Explanation
    The explanation for the correct answer, Pronephros, is that it is located adjacent to somites 4 through 14. This suggests that the Pronephros is the structure that is present in close proximity to these specific somites.

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  • 46. 

    When does the Mullerian ductile system start to turn into ovaries?

    • Week 4

    • Week 7

    • Week 8

    Correct Answer
    A. Week 7
    Explanation
    During embryonic development, the Mullerian ductile system is responsible for the formation of female reproductive structures. At around week 7, the Mullerian ducts start to differentiate into ovaries in females. This process involves the development of primordial germ cells and the formation of ovarian follicles. Therefore, week 7 marks the beginning of the transformation of the Mullerian ductile system into ovaries.

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  • 47. 

    The ventral portion of the urogenital sinus forms ___________.

    • Proximal urethra of females

    • Proximal urethra of males

    • Urethra of males

    • Bladder of female only

    Correct Answer
    A. Proximal urethra of males
    Explanation
    The ventral portion of the urogenital sinus forms the proximal urethra of males. This is because during embryonic development, the urogenital sinus gives rise to various structures of the urinary and reproductive systems. In males, the urogenital sinus differentiates into the urethra, which is the tube that carries urine from the bladder to the external opening. The proximal urethra refers to the portion of the urethra closest to the bladder. Therefore, the correct answer is the proximal urethra of males.

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  • 48. 

    The ____________ is formed by mesodermal tissue that lays between common excretory duct and the ureteral bud.

    • Urogenital sinus

    • Trigone

    • Wolffian Duct

    • Parenchyma

    Correct Answer
    A. Trigone
    Explanation
    The trigone is formed by mesodermal tissue that lays between the common excretory duct and the ureteral bud. The trigone is a triangular region in the urinary bladder that is important for maintaining proper urine flow and preventing reflux of urine back into the ureters. It is composed of smooth muscle fibers and is lined with transitional epithelium, which allows for stretching and contraction of the bladder. The trigone also serves as a landmark for identifying the internal urethral orifice and the ureteral orifices.

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  • 49. 

    The gland (gonad) does what if it became a testis?

    • Increases in size and becomes more caudal located.

    • Decreases in size and becomes more caudal located.

    • Shortens into a compact organ

    • A and C

    • A and B

    Correct Answer
    A. A and C
    Explanation
    If the gland (gonad) became a testis, it would increase in size and become more caudal located. Additionally, it would shorten into a compact organ.

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Quiz Review Timeline (Updated): Apr 8, 2024 +

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  • Apr 08, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 24, 2010
    Quiz Created by
    Spirit1flyer
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