What Do You Know About Endocrine Glands And Hormones? Quiz
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- 1.
Which system produces chemical messengers known as hormones?
- A.
Nervous
- B.
Immune
- C.
Integumentary
- D.
Endocrine
- E.
Muscular
Correct Answer
D. EndocrineExplanation
The endocrine system is responsible for producing chemical messengers known as hormones. These hormones are released into the bloodstream and travel to target cells or organs, where they regulate various bodily functions and processes. Unlike the nervous system, which uses electrical signals to transmit information, the endocrine system uses hormones to communicate and coordinate activities throughout the body. The immune system is responsible for defending the body against infections and diseases, while the integumentary system protects the body from external damage. The muscular system is responsible for movement and the nervous system controls the body's responses to stimuli.Rate this question:
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- 2.
The majority of hormones are...
- A.
Regulated by a positive feedback mechanism
- B.
Classified as steroids
- C.
Released upon stimulation by other hormones
- D.
Controlled by blood levels of ions or nutrients
- E.
Able to diffuse through the plasma membrane of their target cell
Correct Answer
C. Released upon stimulation by other hormonesExplanation
Hormones are typically released in response to specific signals or stimuli, such as the presence of other hormones. This is known as a feedback mechanism, where the release of one hormone stimulates the release of another hormone. This process helps to regulate the overall hormonal balance in the body. Therefore, the correct answer is that hormones are released upon stimulation by other hormones.Rate this question:
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- 3.
Growth hormone is secreted by:
- A.
The thymus
- B.
The pituitary
- C.
The thyroid
- D.
The ovaries
Correct Answer
B. The pituitaryExplanation
The correct answer is the pituitary. The pituitary gland is responsible for secreting growth hormone. Growth hormone plays a crucial role in stimulating growth and development in children and adolescents. It also regulates metabolism, body composition, and muscle and bone growth in adults. The thymus gland is responsible for the production of T-cells, the thyroid gland produces thyroid hormones, and the ovaries produce female reproductive hormones.Rate this question:
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- 4.
The hormone that stimulates follicle development by female ovaries and sperm development by male testes is:
- A.
Luteinizing hormone
- B.
Prolactin
- C.
Progesterone
- D.
Follicile stimulating hormone
Correct Answer
D. Follicile stimulating hormoneExplanation
Follicle stimulating hormone (FSH) is the hormone that stimulates follicle development in female ovaries and sperm development in male testes. FSH plays a crucial role in the reproductive system by promoting the growth and maturation of ovarian follicles in females, which eventually leads to ovulation. In males, FSH stimulates the production of sperm cells in the testes. Therefore, FSH is responsible for regulating the reproductive processes in both males and females.Rate this question:
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- 5.
The body's major metabolic hormone is _______________and produced by the _______________.
- A.
Thyroxine;thyroid
- B.
Thyroxine; thymus
- C.
ACTH; thyroid
- D.
ACTH; ovaries
Correct Answer
A. Thyroxine;thyroidExplanation
Thyroxine is the body's major metabolic hormone, and it is produced by the thyroid gland. The thyroid gland is responsible for regulating metabolism, growth, and development in the body. Thyroxine plays a crucial role in controlling the body's energy production and consumption, influencing various physiological processes. It helps regulate heart rate, body temperature, digestion, and the rate at which the body uses carbohydrates and fats.Rate this question:
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- 6.
Which of these hormones regulate calcium levels in the body?
- A.
T3 and T4
- B.
Calcitonin and parathyroid
- C.
Oxytocin and prolactin
- D.
Insulin and glucagon
Correct Answer
B. Calcitonin and parathyroidExplanation
Calcitonin and parathyroid are the hormones that regulate calcium levels in the body. Calcitonin is released by the thyroid gland and helps to lower blood calcium levels by inhibiting the release of calcium from bones. Parathyroid hormone (PTH) is released by the parathyroid glands and helps to increase blood calcium levels by promoting the release of calcium from bones, increasing calcium absorption in the intestines, and reducing calcium excretion in the kidneys. Together, calcitonin and parathyroid hormone work to maintain a balance of calcium in the body.Rate this question:
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- 7.
In direct control of the pituitary gland; contains neurosecretory cells that make hormones like oxcytocin, ADH...
- A.
Hypothalamus
- B.
Thymus
- C.
Pancreas
- D.
Pineal
Correct Answer
A. HypothalamusExplanation
The hypothalamus is the correct answer because it is directly responsible for controlling the pituitary gland, which is often referred to as the "master gland" of the endocrine system. The hypothalamus contains neurosecretory cells that produce hormones such as oxytocin and antidiuretic hormone (ADH), which play important roles in regulating various bodily functions. The other options, thymus, pancreas, and pineal, are not directly involved in controlling the pituitary gland or producing the mentioned hormones.Rate this question:
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- 8.
A gland that is responsible for secreting melatonin that helps you maintain your circadian cycles.
- A.
Hypothalamus
- B.
Thymus
- C.
Pancreas
- D.
Pineal
Correct Answer
D. PinealExplanation
The pineal gland is responsible for secreting melatonin, a hormone that helps regulate the sleep-wake cycle and maintain circadian rhythms. Melatonin is produced in response to darkness and helps to promote sleep. Therefore, the pineal gland plays a crucial role in regulating our sleep patterns and maintaining our circadian cycles.Rate this question:
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- 9.
Nervous tissue that is made of secretory cells that secrete oxcytocin and ADH.
- A.
Anterior pituitary
- B.
Posterior pituitary
- C.
Parathyroid gland
- D.
Pancreas
Correct Answer
B. Posterior pituitaryExplanation
The nervous tissue that is made of secretory cells that secrete oxytocin and ADH is the posterior pituitary. Oxytocin and ADH are hormones that are produced by the hypothalamus and then stored and released by the posterior pituitary gland. The posterior pituitary is responsible for regulating various bodily functions such as water balance, blood pressure, and uterine contractions during childbirth.Rate this question:
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- 10.
A true gland that is triggered by the hypothalamus. It produces the following hormones: TSH, ACTH, FSH, LH, HGH, PRL
- A.
Anterior pituitary
- B.
Posterior pituitary
- C.
Parathyroid gland
- D.
Pancreas
Correct Answer
A. Anterior pituitaryExplanation
The anterior pituitary gland is the correct answer because it is a true gland that is controlled by the hypothalamus. It produces several hormones including TSH (thyroid-stimulating hormone), ACTH (adrenocorticotropic hormone), FSH (follicle-stimulating hormone), LH (luteinizing hormone), HGH (human growth hormone), and PRL (prolactin). The other options, posterior pituitary, parathyroid gland, and pancreas, do not produce all of these hormones and are not directly controlled by the hypothalamus.Rate this question:
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- 11.
A hormone that triggers uterine contractions during childbirth and the release of breast milk during feeding.
- A.
Prolactin
- B.
ADH
- C.
FSH
- D.
Oxcytocin
Correct Answer
D. OxcytocinExplanation
Oxytocin is a hormone that is responsible for triggering uterine contractions during childbirth and the release of breast milk during feeding. It is produced by the hypothalamus and released by the pituitary gland. Oxytocin plays a crucial role in the process of labor and delivery by stimulating the muscles of the uterus to contract, aiding in the expulsion of the baby. Additionally, it promotes the let-down reflex, which allows for the release of breast milk from the mammary glands during breastfeeding.Rate this question:
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- 12.
A hormone that stimulates the gonads (testes and ovaries) to produce sex hormones.
- A.
LH
- B.
ADH
- C.
FSH
- D.
Oxcytocin
Correct Answer
A. LHExplanation
LH, or luteinizing hormone, is a hormone that stimulates the gonads (testes and ovaries) to produce sex hormones. It plays a crucial role in the regulation of the menstrual cycle in females and the production of testosterone in males. LH is released by the pituitary gland and acts on the gonads to trigger ovulation in females and the production of testosterone in males. Therefore, LH is the correct answer as it specifically stimulates the gonads to produce sex hormones.Rate this question:
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- 13.
A hormone that stimulates the mammary glands.
- A.
Prolactin
- B.
ADH
- C.
FSH
- D.
Oxcytocin
Correct Answer
A. ProlactinExplanation
Prolactin is the hormone that stimulates the mammary glands. It is responsible for the production of milk in mammals after childbirth. Prolactin levels increase during pregnancy and breastfeeding, promoting the development of milk-producing cells in the mammary glands. This hormone also plays a role in regulating the reproductive system and has various other functions in the body.Rate this question:
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- 14.
Affects many cells by triggering their growth, repair, and reproduction.
- A.
Prolactin
- B.
HGH
- C.
FSH
- D.
LH
Correct Answer
B. HGHExplanation
HGH (Human Growth Hormone) affects many cells by triggering their growth, repair, and reproduction. This hormone plays a crucial role in stimulating the growth of bones, muscles, and tissues in the body. It is responsible for promoting cell division and multiplication, which is essential for overall growth and development. HGH also aids in the repair of damaged cells and tissues, ensuring proper functioning of the body.Rate this question:
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- 15.
This hormone prevents water loss in the body by increasing the uptake of water by the kidneys and reducing blood flow to sweat glands.
- A.
LH
- B.
HGH
- C.
FSH
- D.
ADH
Correct Answer
D. ADHExplanation
ADH, also known as antidiuretic hormone or vasopressin, is responsible for preventing water loss in the body. It does so by increasing water uptake in the kidneys, which reduces the amount of water excreted in urine. Additionally, ADH also reduces blood flow to sweat glands, further preventing water loss through sweating. Therefore, ADH plays a crucial role in maintaining water balance in the body and preventing dehydration.Rate this question:
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- 16.
Pineal Gland
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- F.
F
- G.
G
- H.
H
Correct Answer
F. F -
- 17.
PANCREAS
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- F.
F
- G.
G
- H.
H
Correct Answer
H. H -
- 18.
HYPOTHALAMUS
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- F.
F
- G.
G
- H.
H
Correct Answer
A. AExplanation
The given answer "A" is the correct answer because the question is asking for the correct option for "HYPOTHALAMUS" and "A" is the only option provided in the question.Rate this question:
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- 19.
PITUITARY
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- F.
F
- G.
G
- H.
H
Correct Answer
B. B -
- 20.
THYMUS
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- F.
F
- G.
G
- H.
H
Correct Answer
D. D -
- 21.
ADRENAL
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- F.
F
- G.
G
- H.
H
Correct Answer
E. E -
- 22.
PARATHYROID
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- F.
F
- G.
G
- H.
H
Correct Answer
G. G -
- 23.
THYROID
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- F.
F
- G.
G
- H.
H
Correct Answer
C. C -
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Current Version
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Mar 19, 2023Quiz Edited by
ProProfs Editorial Team -
Mar 10, 2015Quiz Created by
Eric Folks
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