A&p Chapter 28. Reproductive System.
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Through the reproductive system living organisms are able to reproduce by giving birth. There are however, a lot of things to learn about the system as a whole. The quiz below will challenge you on the subject. All the best!
Questions and Answers
- 1.
THE STRUCTURE PROTECTS AND REGULATES THE TEMP OF THE TESTES
- A.
DARTOS MUSCLE
- B.
CREMASTER MUSCLE
- C.
TUNICA ALBUGINEA
- D.
SCROTUM
Correct Answer
D. SCROTUMExplanation
The scrotum is a structure that protects and regulates the temperature of the testes. It is a pouch-like structure located outside the body, which houses the testes. The scrotum helps to regulate the temperature of the testes by contracting or relaxing its muscles. When it is cold, the muscles contract, bringing the testes closer to the body to keep them warm. Conversely, when it is warm, the muscles relax, allowing the testes to hang lower and cool down. This temperature regulation is important for the proper functioning of the testes and sperm production.Rate this question:
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- 2.
THIS STRUCTURE IS THE SITE OF SPERM PRODUCTION
- A.
VAS DEFERENS
- B.
SEMINIFEROUS TUBULES
- C.
ALBUGINEA
- D.
RAPHE
Correct Answer
B. SEMINIFEROUS TUBULESExplanation
The seminiferous tubules are the correct answer because they are the site of sperm production in the male reproductive system. These tubules are located within the testes and are responsible for the production and maturation of sperm cells. Sperm cells are produced through a process called spermatogenesis, which occurs within the seminiferous tubules. This process involves the division and differentiation of germ cells into mature sperm cells. Therefore, the seminiferous tubules play a crucial role in male fertility and reproductive function.Rate this question:
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- 3.
HOW MANY SEMINIFEROUS TUBULES ARE FOUND IN THE LOBULES
- A.
1-3
- B.
50-100
- C.
200-300
- D.
500 OR MORE
Correct Answer
A. 1-3Explanation
The correct answer is 1-3 because each lobule in the testes contains 1-3 seminiferous tubules. These tubules are responsible for the production of sperm cells through the process of spermatogenesis. The testes consist of multiple lobules, and each lobule contains these tubules, which are tightly coiled and lined with cells that produce sperm. Therefore, there are only 1-3 seminiferous tubules found in each lobule.Rate this question:
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- 4.
THESE CELLS MAY EVENTUALLY BECOME SPERMATOZOA
- A.
SERTOLI CELLS
- B.
SUSTENTACULAR CELLS
- C.
SPERMATOGENIC CELLS
- D.
CHIEF CELLS
Correct Answer
C. SPERMATOGENIC CELLSExplanation
Spermatogenic cells are the correct answer because they are the cells responsible for the production of spermatozoa, or sperm cells. These cells undergo a process called spermatogenesis, where they differentiate and mature into fully functional sperm cells. Sertoli cells, also known as sustentacular cells, are supportive cells in the testes that provide nutrients and support for the spermatogenic cells. Chief cells are not involved in sperm production.Rate this question:
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- 5.
THESE CELLS SECRETE TESTOSTERONE
- A.
SERTOLI CELLS
- B.
SPERMATOGENIC CELLS
- C.
LEYDIG CELLS
- D.
CHIEF CELLS
Correct Answer
C. LEYDIG CELLSExplanation
Leydig cells are responsible for secreting testosterone in the testes. Testosterone is a hormone that plays a crucial role in the development and maintenance of male reproductive tissues and secondary sexual characteristics. These cells are found in the interstitial tissue of the testes and are stimulated by luteinizing hormone (LH) from the pituitary gland. Leydig cells convert cholesterol into testosterone, which is then released into the bloodstream. Therefore, Leydig cells are the correct answer to the question.Rate this question:
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- 6.
THIS HORMONE STIMULATES LEYDIG CELLS TO SECRETE TESTOSTERONE
- A.
GnRH
- B.
LH
- C.
FSH
- D.
DHT
Correct Answer
B. LHExplanation
LH, or luteinizing hormone, is the hormone that stimulates Leydig cells in the testes to secrete testosterone. It is produced and released by the pituitary gland in response to the release of GnRH (gonadotropin-releasing hormone) from the hypothalamus. LH plays a crucial role in the regulation of testosterone production, which is essential for the development and maintenance of male reproductive tissues and secondary sexual characteristics. FSH (follicle-stimulating hormone) also plays a role in testosterone production, but it primarily stimulates Sertoli cells in the testes to support sperm production. DHT (dihydrotestosterone) is a potent form of testosterone that is converted in certain tissues and is not directly involved in the stimulation of Leydig cells.Rate this question:
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- 7.
THE STRAIGHT TUBULES IN THE TESTIS LEAD INTO THE
- A.
EFFERENT DUCTS
- B.
AFFERENT DUCTS
- C.
RETE TESTIS
- D.
EPIDIDYMIS
Correct Answer
C. RETE TESTISExplanation
The straight tubules in the testis lead into the rete testis. The rete testis is a network of tubules located in the mediastinum testis, which is the central part of the testis. It serves as a collecting system for spermatozoa and connects the seminiferous tubules to the efferent ducts. The efferent ducts, on the other hand, are responsible for transporting sperm from the rete testis to the epididymis. Therefore, the correct answer is rete testis.Rate this question:
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- 8.
THE FUNCTION OF THE EPIDIDYMIS IS
- A.
SPERM MATURATION
- B.
PRODUCE SPERM
- C.
SPERMATID STORAGE
- D.
ABSORPTION OF CALCIUM
Correct Answer
A. SPERM MATURATIONExplanation
The function of the epididymis is sperm maturation. The epididymis is a coiled tube located on the back of the testicles where sperm cells go after they are produced in the testes. During their time in the epididymis, sperm undergo a maturation process where they gain the ability to swim and fertilize an egg. This maturation process involves changes in the sperm's structure and the acquisition of enzymes necessary for fertilization. Therefore, the correct answer is sperm maturation.Rate this question:
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- 9.
THIS IS FORMED BY THE UNION OF THE DUCT FROM THE SEMINAL VESICLE AND THE AMPULLA OF THE VAS DEFERENS
- A.
URETHRA
- B.
SPERMATIC CORD
- C.
INGUINAL CANAL
- D.
EJACULATORY DUCT
Correct Answer
D. EJACULATORY DUCTExplanation
The ejaculatory duct is formed by the union of the duct from the seminal vesicle and the ampulla of the vas deferens. It is responsible for transporting sperm and seminal fluid from the seminal vesicles and vas deferens to the urethra during ejaculation.Rate this question:
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- 10.
THIS LIES POSTERIOR TO THE BLADDER AND ANTERIOR TO THE RECTUM AND SECRETES AN ALKALINE, FRUCTOSE FILLED FLUID
- A.
PROSTATE
- B.
COWPER'S GLANDS
- C.
SEMINAL GLANDS
- D.
SPONGY URETHRA
Correct Answer
C. SEMINAL GLANDSExplanation
The given description states that the structure lies posterior to the bladder and anterior to the rectum, and it secretes an alkaline, fructose-filled fluid. The structure that fits this description is the seminal glands. The seminal glands, also known as the seminal vesicles, are located behind the bladder and in front of the rectum. They produce a fluid that makes up a significant portion of semen and helps nourish and protect sperm. This fluid is alkaline in nature and contains fructose, which provides energy for sperm motility. Therefore, the correct answer is seminal glands.Rate this question:
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- 11.
THESE ARE LOCATED INFERIOR TO THE PROSTATE ON THE OTHER SIDE OF THE MEMBRANOUS URETHRA WITHIN THE DEEP MUSCLE OF THE PERINEUM
- A.
COWPER'S GLANDS
- B.
SEMINAL GLANDS
- C.
URETHRAL DUCTS
- D.
PROSTATE
Correct Answer
A. COWPER'S GLANDSExplanation
Cowper's glands, also known as bulbourethral glands, are located inferior to the prostate on the other side of the membranous urethra within the deep muscle of the perineum. These small glands are responsible for producing a clear, viscous fluid that is released during sexual arousal. This fluid helps to lubricate the urethra and neutralize any acidity in the urethra caused by urine, providing a more favorable environment for sperm to travel through.Rate this question:
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- 12.
THIS IS COMPOSED OF THREE CYLINDRICAL MASSES OF ERECTILE TISSUE EACH SURROUNDED BY A FIBROUS TISSUE
- A.
TESTES
- B.
PROSTATE
- C.
BLADDER
- D.
PENIS
Correct Answer
D. PENISExplanation
The given description states that the structure is composed of three cylindrical masses of erectile tissue surrounded by fibrous tissue. The only organ in the options that fits this description is the penis. The penis is composed of three cylindrical masses of erectile tissue called the corpora cavernosa and the corpus spongiosum, which are surrounded by a fibrous tissue called the tunica albuginea. This arrangement allows the penis to become erect during sexual arousal. Therefore, the correct answer is penis.Rate this question:
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- 13.
THIS LIGAMENT ARISES FROM THE PUBIC SYMpHYSIS IN MALES
- A.
FUNDIFORM LIGAMENT
- B.
BROAD LIGAMENT
- C.
SUSPENSORY LIGAMENT
- D.
PERINEUM LIGAMENT
Correct Answer
C. SUSPENSORY LIGAMENTExplanation
The suspensory ligament is the correct answer because it arises from the pubic symphysis in males. This ligament is responsible for supporting and suspending the penis. It attaches to the pubic bone and helps to maintain the erect position of the penis during sexual arousal.Rate this question:
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- 14.
WHAT IS PRODUCED BY THE OVARIES
- A.
PRIMARY OOCYTES, INSULIN AND ESTROGEN
- B.
SECONDARY OOCYTES, PROGESTERONE AND CORTISOL
- C.
TERTIARY OOCYTES, INSULIN AND ESTROGEN
- D.
SECONDARY OOCYTES, ESTEROGEN AND PROGESTERONE
Correct Answer
D. SECONDARY OOCYTES, ESTEROGEN AND PROGESTERONEExplanation
The ovaries produce secondary oocytes, which are immature eggs that have the potential to be fertilized. Additionally, the ovaries produce estrogen and progesterone, which are hormones involved in the menstrual cycle and reproductive processes.Rate this question:
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- 15.
THIS ATTACHES THE OVARIES AND THE UTERUS TO THE PELVIC WALL
- A.
BROAD LIGAMENT
- B.
MESOVARIUM
- C.
OVARIAN LIGAMENT
- D.
HILUM
Correct Answer
A. BROAD LIGAMENTExplanation
The broad ligament is a sheet-like structure that attaches the ovaries and the uterus to the pelvic wall. It provides support and stability to these organs within the pelvic cavity. The broad ligament also contains blood vessels, nerves, and lymphatics that supply the ovaries and uterus.Rate this question:
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- 16.
THIS IS THE SITE OF FERTILIZATION
- A.
URETERS
- B.
URETHRA
- C.
UTERINE TUBES
- D.
OVARIES
Correct Answer
C. UTERINE TUBESExplanation
The correct answer is UTERINE TUBES. The site of fertilization in the human reproductive system is the uterine tubes, also known as fallopian tubes. These tubes connect the ovaries to the uterus and are the location where sperm and egg meet and fertilization occurs. After fertilization, the fertilized egg travels down the uterine tubes towards the uterus for implantation and further development.Rate this question:
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- 17.
THIS IS THE PORTION OF THE UTERUS THAT OPENS INTO THE VAGINA
- A.
URETHRA
- B.
CERVIX
- C.
UTERINE TUBES
- D.
OVARIES
Correct Answer
B. CERVIXExplanation
The cervix is the correct answer because it is the portion of the uterus that opens into the vagina. It acts as a barrier between the uterus and the vagina, and it also plays a role in childbirth by dilating and allowing the baby to pass through during labor. The cervix also produces mucus that changes consistency throughout the menstrual cycle, which helps facilitate sperm transport and prevents infection.Rate this question:
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- 18.
ANTERIOR TO THE VAGINA AND URETHRAL OPENINGS IS THE
- A.
LABIA MAJORA
- B.
LABIA MINOR
- C.
MONS PUBIS
- D.
CERVICAL SPHINCTER
Correct Answer
C. MONS PUBISExplanation
The correct answer is MONS PUBIS. The mons pubis is a rounded, fatty area located above the pubic bone and anterior to the vagina and urethral openings. It is covered with pubic hair and acts as a protective cushion during sexual activity. The labia majora and labia minora are external folds of skin surrounding the vaginal opening, while the cervical sphincter is a muscle located at the entrance of the cervix.Rate this question:
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- 19.
SKENE'S GLANDS SECRETE
- A.
ESTROGEN
- B.
PROGESTERONE
- C.
TESTOSTERONE
- D.
MUCUS
Correct Answer
D. MUCUSExplanation
Skene's glands, also known as the paraurethral glands, are located near the urethra in females. These glands secrete mucus, which helps to lubricate the urethra and vaginal opening. The mucus produced by Skene's glands plays an important role in sexual arousal and lubrication during sexual activity. It helps to reduce friction and discomfort, allowing for more pleasurable experiences. Therefore, the correct answer is mucus.Rate this question:
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- 20.
_________ HORMONE SECRETED BY THE _________ CONTROLS THE OVARIAN AND UTERINE CYCLES
- A.
FSH ANTERIOR PITUITARY
- B.
LH ANTERIOR PITUITARY
- C.
GnRH, HYPOTHALAMUS
- D.
HGH, HYPOTHALAMUS
Correct Answer
C. GnRH, HYPOTHALAMUSExplanation
GnRH, or gonadotropin-releasing hormone, is secreted by the hypothalamus and controls the ovarian and uterine cycles. This hormone stimulates the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the anterior pituitary gland, which in turn regulate the development of ovarian follicles and the release of the egg during ovulation. GnRH is essential for the proper functioning of the female reproductive system.Rate this question:
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- 21.
THIS HORMONE PROMOTES SPERMATOGENESIS
- A.
RELAXIN
- B.
TESTOSTERONE
- C.
INHIBIN
- D.
ESTROGEN
Correct Answer
B. TESTOSTERONEExplanation
Testosterone is the hormone that promotes spermatogenesis, which is the process of sperm production. It is primarily produced in the testes and plays a crucial role in the development and maturation of sperm cells. Testosterone stimulates the production of sperm by acting on the seminiferous tubules in the testes and promoting the growth and division of spermatogonia, the precursor cells of sperm. Additionally, testosterone also influences other aspects of male reproductive function, such as libido and secondary sexual characteristics.Rate this question:
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- 22.
THIS HORMONE TRIGGERS OVULATION
- A.
GnRH
- B.
LH
- C.
FSH
- D.
ESTROGEN
Correct Answer
B. LHExplanation
LH, or luteinizing hormone, is responsible for triggering ovulation. It is released by the pituitary gland and stimulates the release of an egg from the ovary. This hormone plays a crucial role in the menstrual cycle and is essential for fertility.Rate this question:
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- 23.
THIS IS SECRETED BY THE CORPUS LUTEUM AFTER OVULATION
- A.
PROGESTERONE
- B.
RELAXIN
- C.
LH
- D.
FSH
Correct Answer
A. PROGESTERONEExplanation
After ovulation, the ruptured follicle in the ovary forms a structure called the corpus luteum. The corpus luteum secretes progesterone, which is a hormone that prepares the uterus for pregnancy by thickening the uterine lining and inhibiting contractions of the uterine muscles. Progesterone also helps in the maintenance of pregnancy by supporting the development of the embryo. Therefore, the correct answer is progesterone.Rate this question:
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- 24.
THIS IS THE UTERINE pHASE WHEN THE ENDOMETRIUM BECOMES MORE VASCULAR
- A.
MENSTRUAL PHASE
- B.
PREOVULATROY PHASE
- C.
PROLIFERATIVE PHASE
- D.
FOLLICULAR PHASE
Correct Answer
C. PROLIFERATIVE pHASEExplanation
During the proliferative phase of the uterine cycle, the endometrium lining of the uterus begins to thicken and develop new blood vessels. This phase occurs after the menstrual phase, when the old endometrial lining is shed. The proliferative phase is characterized by the growth and proliferation of the endometrial cells, preparing the uterus for potential implantation of a fertilized egg. The increased vascularity during this phase is essential for supplying nutrients and oxygen to the developing endometrium.Rate this question:
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- 25.
THE IS THE OVARIAN pHASE BETWEEN THE END OF MENSTRUATION AND BEGINNING OF OVULATION
- A.
MENSTRUAL PHASE
- B.
PREOVULATORY PHASE
- C.
PROLIFERATIVE PHASE
- D.
FOLLICULAR PHASE
Correct Answer
B. PREOVULATORY pHASEExplanation
The preovulatory phase is the correct answer because it refers to the phase in the menstrual cycle that occurs after menstruation and before ovulation. During this phase, the ovarian follicles mature and prepare to release an egg. The preovulatory phase is characterized by increasing levels of estrogen, which stimulate the growth of the uterine lining in preparation for potential pregnancy. This phase typically lasts for about 10-14 days in a regular menstrual cycle.Rate this question:
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- 26.
THE SEPTUM OF THE TISSUE IS MADE UP OF SUPERFICIAL FASCIA AND WHICH MUSCLE TISSUE
- A.
A
- B.
B
- C.
F
- D.
G
Correct Answer
C. FExplanation
The septum of the tissue is made up of superficial fascia and muscle tissue.Rate this question:
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- 27.
WHAT DOES LINE "A" POINT TO
- A.
LYMPHATIC VESSELS
- B.
PAMPINIFORM PLEXUS
- C.
INTERNAL SPERMATIC FASCIA
- D.
SPERMATIC CORD
Correct Answer
D. SPERMATIC CORDExplanation
The line "A" in the given question is pointing to the spermatic cord. The spermatic cord is a structure that contains the vas deferens, blood vessels, lymphatic vessels, and nerves. It connects the testes to the rest of the reproductive system.Rate this question:
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- 28.
WHICH STRUCTURE HAS A PORTION REMOVED IN A VASECTOMY
- A.
A
- B.
D
- C.
E
- D.
G
Correct Answer
B. DExplanation
In a vasectomy, a small portion of the vas deferens is removed. The vas deferens is a tube that carries sperm from the testicles to the urethra. Option D is the correct answer because it represents the vas deferens.Rate this question:
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- 29.
WHAT DOES LINE "G" POINT TO
- A.
DARTOS MUSCLE
- B.
CREMASTER MUSCLE
- C.
TUNICA ALBUGINEA
- D.
TUNICA VAGINALIS
Correct Answer
D. TUNICA VAGINALISExplanation
The line "G" in the question refers to the tunica vaginalis. The tunica vaginalis is a double-layered membrane that surrounds the testes and plays a role in protecting and supporting them. It is derived from the peritoneum and forms a sac-like structure around the testes. The dartos muscle is a layer of smooth muscle in the scrotum that helps regulate the temperature of the testes. The cremaster muscle is responsible for raising and lowering the testes in response to temperature changes and sexual arousal. The tunica albuginea is a dense fibrous membrane that surrounds each testis and provides structural support.Rate this question:
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- 30.
WHAT IS LINE "C" POINTING TO
- A.
EFFERENT DUCT
- B.
RETE TESTIS
- C.
LOBULE
- D.
BODY OF EPIDIDYMIS
Correct Answer
D. BODY OF EPIDIDYMISExplanation
Line "C" is pointing to the body of the epididymis. The epididymis is a coiled tube located on the back of the testicle. It is responsible for storing and maturing sperm before they are ejaculated. The body of the epididymis is the middle part of the epididymis, between the head and the tail. It is where sperm continue to develop and gain the ability to swim.Rate this question:
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- 31.
WHERE ARE THE STRAIGHT TUBULES
- A.
A
- B.
B
- C.
C
- D.
E
Correct Answer
D. E -
- 32.
WHAT IS LINE "F" POINTING TO
- A.
DUCTUS EPIDIDYMIS
- B.
RETE TESTIS
- C.
EFFERENT DUCT
- D.
SEMINIFEROUS TUBULES
Correct Answer
D. SEMINIFEROUS TUBULESExplanation
Line "F" is pointing to the seminiferous tubules. The seminiferous tubules are a network of narrow, coiled tubes within the testes where sperm production occurs. These tubules are responsible for the production and maturation of sperm cells through the process of spermatogenesis.Rate this question:
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- 33.
THIS ATTACHES THE OVARIES TO THE UTERUS
- A.
B
- B.
C
- C.
E
- D.
G
Correct Answer
C. EExplanation
Option E is the correct answer because it is known that the ovaries are attached to the uterus by ligaments. These ligaments provide support and help in the proper positioning of the ovaries within the pelvic region. Therefore, option E accurately describes the attachment of the ovaries to the uterus.Rate this question:
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- 34.
WHAT IS LINE C POINTING TO
- A.
BLADDER
- B.
FIMBRIAE
- C.
OVARY
- D.
UTERUS
Correct Answer
C. OVARYExplanation
Line C is pointing to the ovary. The ovary is an organ in the female reproductive system that produces eggs and releases hormones. It is located in the pelvic region and is responsible for the production of estrogen and progesterone.Rate this question:
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- 35.
THIS IS THE SITE FOR IMPLANTATION OF A FERTILIZED OVUM
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
D. DExplanation
The given statement suggests that the site being referred to is the location where a fertilized ovum (embryo) is implanted. The correct answer, D, would likely be the option that specifies the specific location or organ where implantation occurs. Without the specific options provided, it is not possible to determine the exact answer.Rate this question:
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- 36.
THIS OPENS FROM THE UTERUS TO THE VAGINA
- A.
E
- B.
F
- C.
G
- D.
H
Correct Answer
B. FExplanation
The letter F is the correct answer because it is the only option that represents a part of the female reproductive system. The statement "This opens from the uterus to the vagina" suggests that the answer should be a specific anatomical structure. Among the given options, only the letter F represents the fallopian tubes, which connect the uterus to the vagina.Rate this question:
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- 37.
THIS CONSISTS OF PRIMARY OOCYTE THAT IS SURROUNDED BY SEVERAL LAYERS OF CUBODIAL GRANULOSA CELLS
- A.
A
- B.
B
- C.
C
- D.
F
Correct Answer
B. BExplanation
The correct answer is B because it is the only option that accurately describes the structure mentioned in the question. The primary oocyte surrounded by several layers of cuboidal granulosa cells is a characteristic feature of a developing ovarian follicle, which is the structure responsible for producing and releasing eggs during the menstrual cycle. Options A, C, and F do not mention the presence of granulosa cells or the primary oocyte, therefore they are not correct answers.Rate this question:
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- 38.
WHERE IS THE MATURE GRAAFIAN FOLLICLE
- A.
A
- B.
B
- C.
C
- D.
F
Correct Answer
D. F -
- 39.
WHERE IS THE CORPUS ALBICANS
- A.
F
- B.
G
- C.
H
- D.
NONE OF THE ABOVE
Correct Answer
D. NONE OF THE ABOVE -
- 40.
THIS WILL PRODUCE PROGESTERONE, ESTROGENS, RELAXIN AND INHIBIN
- A.
D
- B.
E
- C.
G
- D.
I
Correct Answer
D. I -
- 41.
WHAT IS LINE D POINTING TO
- A.
FOLLICULAR FLUID
- B.
GERMINAL EPITHELIUM
- C.
OVARIAN CORTEX
- D.
OVARIAN MEDULLA
Correct Answer
B. GERMINAL EPITHELIUMExplanation
Line D is pointing to the germinative epithelium. The germinative epithelium is the outermost layer of cells in the ovary and is responsible for producing the oocytes (eggs) during a female's reproductive years. It is an important part of the ovary's structure and function, playing a key role in the development and maturation of the eggs.Rate this question:
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