Question 1

All of our body's hormones are products of the endocrine system.

Accepted Answer

A) True 
 B)False

Question 2

Prednisone would be most similar to which of the following?

Accepted Answer

A)  cortisol
B)  insulin
C)  TRH
D)  oxytocin
E)  glucagonF) C) and E)
G) B) and E)

Question 3

Prolactinomas are the most common type of pituitary tumor.Symptoms of prolactinoma in women include infertility and atypical menstruation.Which of the following is the best explanation for this observation?

Accepted Answer

A)  Increased prolactin in the blood has a positive feedback on the pituitary.
B)  Increased prolactin in the blood has a negative feedback on the pituitary.
C)  Decreased prolactin in the blood has a negative feedback on the pituitary.
D)  Decreased prolactin in the blood has a positive feedback on the pituitary.E) A) and C)
F) A) and D)

Question 4

Cortisol is produced by the adrenal glands located near the kidney,yet pituitary tumors cause 70% of Cushing's syndrome cases.To test whether a patient has a pituitary tumor,they are injected with a hormone that inhibits the adrenal gland and cortisol levels are measured.What will happen in a patient with a pituitary tumor?

Accepted Answer

A)  ACTH will increase and cortisol will decrease.
B)  ACTH and cortisol will increase.
C)  ACTH and cortisol will decrease.
D)  ACTH will decrease and cortisol will increase.
E)  ACTH and cortisol will remain unchanged.F) C) and D)
G) A) and D)

Question 5

The hormone that primarily maintains the composition of body fluids is

Accepted Answer

A)  ADH.
B)  prolactin.
C)  oxytocin.
D)  LH.
E)  TSH.F) A) and B)
G) A) and C)

Question 6

The hormone prolactin is produced by the _____________________ and targets the _______________.

Accepted Answer

A)  anterior pituitary;mammary glands
B)  anterior pituitary;pancreas
C)  posterior pituitary;kidney
D)  posterior pituitary;mammary glands
E)  posterior pituitary;pancreasF) A) and D)
G) A) and C)

Question 7

People who have severe allergic reactions to bee stings and specific foods should carry with them a self-injectable dose of

Accepted Answer

A)  penicillin.
B)  insulin.
C)  FSH.
D)  epinephrine.
E)  oxytocin.F) All of the above
G) None of the above

Question 8

To prevent swollen thyroid glands many nations add iodine to

Accepted Answer

A)  milk.
B)  soda pop.
C)  salt.
D)  processed meats.
E)  orange juicE.F) B) and E)
G) C) and E)

Question 9

Lipid-soluble hormones move easily through the cell membrane.

Accepted Answer

A) True 
 B)False

Question 10

When blood glucose levels fall,which of the following will occur?

Accepted Answer

A)  an increased secretion of insulin
B)  an increased uptake of glucose by muscles
C)  a decreased release of glucose by the liver
D)  an increased secretion of glucagon
E)  a decreased secretion of ACTHF) A) and E)
G) C) and D)

Question 11

A person suffering from acromegaly produces too much ___________ as a(n) ______________.

Accepted Answer

A)  testosterone;child
B)  testosterone;adult
C)  growth hormone;child
D)  growth hormone;adult
E)  insulin;childF) None of the above
G) A) and B)

Question 12

All of the glands of the vertebrate endocrine system are regulated by the

Accepted Answer

A)  hypothalamus and pons.
B)  hypothalamus and pituitary gland.
C)  cerebrum and medulla oblongata.
D)  pineal gland and pituitary glanD.
E)  cerebellum and pituitary gland.F) All of the above
G) A) and B)

Question 13

Peptide hormones are usually which of the following?

Accepted Answer

A)  bound to a receptor in the cytoplasm of a target cell
B)  lipid-soluble
C)  water-soluble and bound to a receptor in the cytoplasm of a target cell
D)  water-soluble
E)  lipid-soluble and bound to a receptor in the cytoplasm of a target cellF) A) and E)
G) B) and D)

Question 14

Steroid hormones

Accepted Answer

A)  are typically lipid-soluble.
B)  typically do not bind to a surface receptor on a target cell.
C)  pass through cell membranes.
D)  typically alter gene expression.
E)  All answers are correct.F) B) and C)
G) B) and E)

Question 15

The endocrine system maintains ______ in homeostasis in animals.

Accepted Answer

A)  metabolism
B)  growth
C)  development
D)  sexual characteristics
E)  All answers are correct.F) B) and D)
G) A) and E)

Question 16

When daylight saving time starts,clocks are turned forward one hour.Someone who woke up in the dark now wakes up in the light.How does this affect the melatonin production in that person?

Accepted Answer

A)  Melatonin production starts an hour earlier when the person wakes up,altering the circadian rhythm of the person's daily activities.
B)  Melatonin production starts an hour later when the person goes to sleep,altering the circadian rhythm of the person's daily activities.
C)  Melatonin production turns off an hour earlier when the person wakes up,altering the circadian rhythm of the person's daily activities.
D)  Melatonin production turns off an hour later when the person wakes up,altering the circadian rhythm of the person's daily activities.
E)  Melatonin production is not affected by a change of waking up in the dark to waking up in the light,altering the circadian rhythm of the person's daily activities.F) C) and D)
G) A) and E)

Question 17

Which of the following would be the primary target for ADH?

Accepted Answer

A)  pancreas
B)  mammary gland
C)  testes
D)  kidney
E)  ovariesF) None of the above
G) B) and C)

Question 18

Which of the following could occur in type 1 diabetes?

Accepted Answer

A)  a decrease in insulin receptors on muscle cells
B)  a decrease in blood glucose
C)  a decrease in insulin levels inside muscle cells
D)  a decrease in insulin secreted by the pancreas
E)  a decrease in glucose secreted by muscle cellsF) C) and D)
G) D) and E)

Question 19

The antibody produced in Graves' disease would do which of the following?

Accepted Answer

A)  inhibit the thyroid from releasing thyroid hormone
B)  stimulate the thyroid to release thyroid hormone
C)  bind to thyroid hormone in the blood
D)  destroy thyroid cells
E)  enter the thyroid cell and move to the nucleusF) A) and C)
G) C) and E)

Question 20

BPA would be considered which of the following?

Accepted Answer

A)  a neurotoxin
B)  an endocrine disruptor
C)  an antibiotic
D)  a synthetic hormone
E)  a positive feedback stimulatorF) C) and E)
G) B) and C)

Exam 25: The Endocrine System

All of our body's hormones are products of the endocrine system.

Correct Answer
verified

The hormone that primarily maintains the composition of body fluids is

Correct Answer
verified

Steroid hormones

Correct Answer
verified

Prolactinomas are the most common type of pituitary tumor.Symptoms of prolactinoma in women include infertility and atypical menstruation.Which of the following is the best explanation for this observation?

Correct Answer
verified

Which of the following could occur in type 1 diabetes?

Correct Answer
verified

Prednisone would be most similar to which of the following?

Correct Answer
verified

When daylight saving time starts,clocks are turned forward one hour.Someone who woke up in the dark now wakes up in the light.How does this affect the melatonin production in that person?

Correct Answer
verified

When blood glucose levels fall,which of the following will occur?

Correct Answer
verified

The endocrine system maintains ______ in homeostasis in animals.

Correct Answer
verified

Correct Answer
verified

A person suffering from acromegaly produces too much _ as a(n) ____.

Correct Answer
verified

People who have severe allergic reactions to bee stings and specific foods should carry with them a self-injectable dose of

Correct Answer
verified

The antibody produced in Graves' disease would do which of the following?

Correct Answer
verified

To prevent swollen thyroid glands many nations add iodine to

Correct Answer
verified

Peptide hormones are usually which of the following?

Correct Answer
verified

The hormone prolactin is produced by the _______ and targets the _.

Correct Answer
verified

BPA would be considered which of the following?

Correct Answer
verified

All of the glands of the vertebrate endocrine system are regulated by the

Correct Answer
verified

Lipid-soluble hormones move easily through the cell membrane.

Correct Answer
verified

Which of the following would be the primary target for ADH?

Correct Answer
verified

Exam 25: The Endocrine System

All of our body's hormones are products of the endocrine system.

Correct AnswerverifiedShow Answer

The hormone that primarily maintains the composition of body fluids is

Correct AnswerverifiedShow Answer

Steroid hormones

Correct AnswerverifiedShow Answer

Prolactinomas are the most common type of pituitary tumor.Symptoms of prolactinoma in women include infertility and atypical menstruation.Which of the following is the best explanation for this observation?

Correct AnswerverifiedShow Answer

Which of the following could occur in type 1 diabetes?

Correct AnswerverifiedShow Answer

Prednisone would be most similar to which of the following?

Correct AnswerverifiedShow Answer

When daylight saving time starts,clocks are turned forward one hour.Someone who woke up in the dark now wakes up in the light.How does this affect the melatonin production in that person?

Correct AnswerverifiedShow Answer

When blood glucose levels fall,which of the following will occur?

Correct AnswerverifiedShow Answer

The endocrine system maintains ______ in homeostasis in animals.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A person suffering from acromegaly produces too much ___________ as a(n) ______________.

Correct AnswerverifiedShow Answer

People who have severe allergic reactions to bee stings and specific foods should carry with them a self-injectable dose of

Correct AnswerverifiedShow Answer

The antibody produced in Graves' disease would do which of the following?

Correct AnswerverifiedShow Answer

To prevent swollen thyroid glands many nations add iodine to

Correct AnswerverifiedShow Answer

Peptide hormones are usually which of the following?

Correct AnswerverifiedShow Answer

The hormone prolactin is produced by the _____________________ and targets the _______________.

Correct AnswerverifiedShow Answer

BPA would be considered which of the following?

Correct AnswerverifiedShow Answer

All of the glands of the vertebrate endocrine system are regulated by the

Correct AnswerverifiedShow Answer

Lipid-soluble hormones move easily through the cell membrane.

Correct AnswerverifiedShow Answer

Which of the following would be the primary target for ADH?

Correct AnswerverifiedShow Answer

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A person suffering from acromegaly produces too much _ as a(n) ____.

Correct Answer
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The hormone prolactin is produced by the _______ and targets the _.

Correct Answer
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