Question 1

Which of the following stimulates the development of follicles in the ovary?

Accepted Answer

A)   ADH
B)   prolactin
C)   FSH
D)   ACTH
E)   LHF) A) and E)
G) D) and E)

Question 2

Which of the following is a target tissue for parathyroid hormone?

Accepted Answer

A)   thyroid
B)   blood
C)   pancreas
D)   small intestine
E)   stomachF) A) and B)
G) D) and E)

Question 3

Which of the following would apply to the description of a thyroid follicle?

Accepted Answer

A)   walls contain a single layer of parafollicular cells
B)   center is called the isthmus
C)   stores thyroid hormone
D)   small capillary networks
E)   spheres with walls of a single layer of cuboidal epithelial cellsF) A) and B)
G) C) and D)

Question 4

Match the hormone with its appropriate function.
-TSH

Accepted Answer

A)  stimulates synthesis of thyroid hormones
B)  increases adrenal cortex secretions
C)  development of immune system
D)  milk production
E)  decreases blood calcium levelsF) All of the above
G) B) and C)

Question 5

Which of the following occurs when insulin molecules bind to their receptors on target cells?

Accepted Answer

A)   increased mRNA synthesis in the target cells
B)   minimal uptake of glucose by target cells
C)   phosphorylation of proteins in the plasma membrane in the target cells
D)   increased numbers of active transport molecules for glucose
E)   phosphorylation of proteins in the plasma membrane in the target cells and increased numbers of active transport molecules for glucoseF) A) and E)
G) C) and D)

Question 6

-Based on these laboratory results, which patient is most likely to have the following pathological condition: proliferative tumor of anterior pituitary cells that produce TSH?

Accepted Answer

The answer of 
-Based on these laboratory results, which patient...

Question 7

The major secretory products of the zona glomerulosa of the adrenal cortex are

Accepted Answer

A)   glucocorticoids.
B)   mineralocorticoids.
C)   androgens.
D)   catecholamines.
E)   cortisol and ADH.F) A) and B)
G) A) and D)

Question 8

ADH (antidiuretic hormone)  is also called vasopressin because at high concentrations it causes

Accepted Answer

A)   increased urine output.
B)   constriction of blood vessels.
C)   increased potassium secretion by the kidneys.
D)   decreased sodium retention by the kidneys.
E)   dilation of blood vessels.F) A) and D)
G) All of the above

Question 9

John Smith works outdoors in the winter at a ski resort. His thyroid hormone levels are

Accepted Answer

A)   lower in the winter to conserve body heat.
B)   higher in the winter to increase body temperature.
C)   lowered in the summer after his job to decrease body temperature.
D)   increased in the summer after his job to increase body temperature.
E)   unaffected by his job.F) D) and E)
G) All of the above

Question 10

Releasing hormones

Accepted Answer

A)   travel through axons to the posterior pituitary.
B)   increase anterior pituitary secretion.
C)   cause action potentials to be generated by anterior pituitary cells.
D)   decrease secretions of the anterior pituitary.E) A) and B)
F) None of the above

Question 11

Which of the following statements concerning the pancreas is true?

Accepted Answer

A)   Most of the hormones produced by the pancreas flow into the pancreatic duct.
B)   Both glucagon and insulin are produced in the islets of Langerhans.
C)   The pancreas is located above the liver.
D)   The endocrine portion of the gland is called the zona reticularis.
E)   Alpha and beta cells are associated with the acini.F) A) and D)
G) All of the above

Question 12

Match the pathological condition with its cause.
-Addison's disease

Accepted Answer

A)  decreased amounts of thyroid hormone
B)  increased amounts of thyroid hormone
C)  abnormally low levels of aldosterone and cortisol
D)  increased levels of growth hormone in adults
E)  lack of ADHF) D) and E)
G) A) and D)

Question 13

Adrenal androgens

Accepted Answer

A)   are produced in the adrenal medulla.
B)   stimulate growth of pubic hair in females.
C)   reduce the inflammatory response.
D)   cause reabsorption of potassium ions by the kidney.
E)   decrease the sex drive.F) A) and B)
G) B) and C)

Question 14

Hypersecretion of which of the following hormones causes increased metabolic rate, sensitivity to heat, weight loss, and exophthalmos?

Accepted Answer

A)   parathyroid hormone
B)   estrogen
C)   cortisol
D)   thyroid hormone
E)   growth hormoneF) B) and E)
G) A) and B)

Question 15

-Label part "D" on the diagram.

Accepted Answer

A)   optic chiasm
B)   anterior pituitary
C)   infundibulum
D)   hypothalamus
E)   posterior pituitaryF) A) and B)
G) A) and E)

Question 16

A function of insulin is to

Accepted Answer

A)   increase the uptake of glucose by its target tissues.
B)   decrease the uptake of amino acids by its target tissues.
C)   increase glycogen breakdown in the liver and skeletal muscle.
D)   increase breakdown of fats.
E)   increase gluconeogenesis.F) A) and E)
G) A) and D)

Question 17

Which of the following would NOT affect blood glucose levels?

Accepted Answer

A)   fat content of a meal
B)   gastrointestinal hormones
C)   breakdown of glycogen
D)   autonomic nervous system
E)   protein content of a mealF) A) and B)
G) A) and C)

Question 18

What is the function of thymosin?

Accepted Answer

A)   regulates metabolism
B)   development and maturation of the immune system
C)   regulates sleep cycles
D)   development and maturation of the adrenal glandsE) C) and D)
F) A) and D)

Question 19

Which of the following glands is both an endocrine gland and an exocrine gland?

Accepted Answer

A)   thyroid gland
B)   adrenal gland
C)   pancreas
D)   parathyroid gland
E)   pituitary glandF) A) and C)
G) C) and D)

Question 20

Overall, PTH (parathyroid hormone)  _____ blood phosphate levels.

Accepted Answer

A)   increases
B)   decreases
C)   elevates
D)   enhances
E)   has no effect onF) D) and E)
G) C) and D)

Exam 18: Endocrine Glands

Overall, PTH (parathyroid hormone) _____ blood phosphate levels.

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Which of the following would NOT affect blood glucose levels?

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John Smith works outdoors in the winter at a ski resort. His thyroid hormone levels are

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Match the hormone with its appropriate function. -TSH

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Which of the following statements concerning the pancreas is true?

Correct AnswerverifiedShow Answer

-Based on these laboratory results, which patient is most likely to have the following pathological condition: proliferative tumor of anterior pituitary cells that produce TSH?

Correct AnswerverifiedShow Answer

A function of insulin is to

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Releasing hormones

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Which of the following occurs when insulin molecules bind to their receptors on target cells?

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What is the function of thymosin?

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Which of the following is a target tissue for parathyroid hormone?

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Adrenal androgens

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Which of the following glands is both an endocrine gland and an exocrine gland?

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ADH (antidiuretic hormone) is also called vasopressin because at high concentrations it causes

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The major secretory products of the zona glomerulosa of the adrenal cortex are

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Match the pathological condition with its cause. -Addison's disease

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-Label part "D" on the diagram.

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Hypersecretion of which of the following hormones causes increased metabolic rate, sensitivity to heat, weight loss, and exophthalmos?

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Which of the following stimulates the development of follicles in the ovary?

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Which of the following would apply to the description of a thyroid follicle?

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