Question 1

When a diabetic injects insulin, what does this accomplish?

Accepted Answer

A)  promotes glucose release from cells, raising blood glucose
B)  promotes uptake of glucose into cells, lowering blood glucose
C)  promotes hydrolysis of glycogen, raising blood glucose
D)  improves the ability of the body to sense blood glucose levelsE) A) and B)
F) All of the above

Question 2

Why does consumption of alcohol stimulate urination?

Accepted Answer

A)  It stimulates ADH secretion.
B)  It inhibits ADH secretion.
C)  It stimulates vasopressin.
D)  It stimulates oxytocin.E) B) and C)
F) A) and D)

Question 3

Which two hormones interact to maintain normal levels of blood glucose?

Accepted Answer

A)  cortisone and testosterone
B)  epinephrine and norepinephrine
C)  glucagon and insulin
D)  LH and FSHE) B) and C)
F) None of the above

Question 4

True or False: The thyroid requires negative feedback to prevent overgrowth.

Accepted Answer

A) True 
 B)False

Question 5

Your friend is concerned because although she has never been pregnant, her breasts are producing milk.When she went to the doctor, he sent her to the MRI lab for a brain scan.She was too embarrassed to ask the doctor why.What do you tell her?

Accepted Answer

A)  "They were actually scanning your thyroid gland, not your brain.Are you getting enough iodine in your diet?"
B)  "The MRI technician must have mixed up your patient records.He should have done a thoracic scan instead."
C)  "LH and FSH from the posterior pituitary stimulate milk production.The doctor wants to rule out excess levels of estrogen in the pituitary stalk."
D)  "Prolactin from the anterior pituitary stimulates milk production.The doctor probably wants to rule out a pituitary tumor."E) B) and D)
F) A) and C)

Question 6

Which one of the following is a glucocorticoid important in both gluconeogenesis (glucose produced from amino acids)  during starvation and anti-inflammation?

Accepted Answer

A)  aldosterone
B)  cortisol
C)  glucagon
D)  insulinE) All of the above
F) A) and C)

Question 7

Which of the following features distinguishes all hormones from neurotransmitters?

Accepted Answer

A)  Hormones require large concentrations to have an effect, while neurotransmitters require only low concentrations.
B)  A hormone affects reproductive functions, while neurotransmitters control all other processes.
C)  Hormones travel via the blood to a target tissue, while neurotransmitters cross the synaptic cleft to a postsynaptic cell.
D)  Hormones are steroids, while neurotransmitters are amino acids.E) None of the above
F) A) and B)

Question 8

You are researching an "orphan disease" with no available treatment.Your lab develops a drug that mimics a lipophilic hormone thought to be lacking in the disease, and you are looking for a pharmaceutical company to partner with to run a clinical trial.Based on the reaction from each team, which would you choose to work with?

Accepted Answer

A)  Company A: "What you've developed is wonderful, but we'll need to develop a delivery system to get the drug across the cell membrane."
B)  Company B: "Your new drug seems very promising.Do you know which G-protein coupled receptor it binds to?"
C)  Company C: "We're interested in developing this drug - it could really help people.Do you know which genes the hormone regulates?"D) B) and C)
E) A) and C)

Question 9

True or False: A molecule can act as both a neurotransmitter and a hormone.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is NOT an example of a sex steroid hormone?

Accepted Answer

A)  estrogen
B)  progesterone
C)  prolactin
D)  testosteroneE) A) and B)
F) None of the above

Question 11

Atrial natriuretic hormone (ANH)  stimulates the kidneys to excrete salt and water in the urine.Why does it make sense that the heart is the source of ANH?

Accepted Answer

A)  The heart is a major endocrine organ that releases several hormones.
B)  ANH helps regulate blood pressure, which is sensed by distension of the heart atria.
C)  The heart is conveniently close to the hypothalamus.
D)  Secretion of hormones by the heart makes it easy for them to enter the bloodstream.E) A) and C)
F) A) and D)

Question 12

True or False: Hormones must be present at high concentrations to elicit an effect.

Accepted Answer

A) True 
 B)False

Question 13

What is an example of a molecule that can act as both a neurotransmitter and a hormone?

Accepted Answer

A)  estrogen
B)  progesterone
C)  thyroxine
D)  norepinephrineE) A) and D)
F) A) and C)

Question 14

Is it likely that a small, hydrophilic hormone can cross the cell membrane?

Accepted Answer

The answer of Is it likely that a small, hydrophilic...

Question 15

A couple visits a fertility clinic to determine the basis of their difficulty in conceiving a child.They are surprised to hear they will both be tested for levels of two of the same hormones, which play roles in the ovarian cycle and sperm production.Which hormones are they?

Accepted Answer

A)  adrenocorticotropic hormone (ACTH)  and corticotropin-releasing hormone (CRH) 
B)  insulin and glucagon
C)  oxytocin and luteinizing hormone (LH) 
D)  follicle-stimulating hormone (FSH)  and luteinizing hormone (LH) E) None of the above
F) A) and B)

Question 16

What is a benefit of targeting hormone signaling rather than a generic cellular housekeeping process in insects?

Accepted Answer

A)  It is water soluble.
B)  It works very quickly.
C)  It disrupts the entire population in the area.
D)  It is specific to insects and less toxic to mammals.E) B) and C)
F) A) and D)

Question 17

Choose the hormone that is NOT correctly matched with the endocrine gland that secretes it.

Accepted Answer

A)  adrenal cortex-aldosterone
B)  pancreas-insulin
C)  pineal gland-melatonin
D)  adrenal medulla-cortisolE) B) and D)
F) B) and C)

Question 18

True or False: If Ca+2 levels in the blood are too low, hormones from the parathyroid gland can induce bones to dissolve and release calcium.

Accepted Answer

A) True 
 B)False

Question 19

Which hormone is NOT produced by the anterior pituitary gland?

Accepted Answer

A)  prolactin
B)  luteinizing hormone
C)  calcitonin
D)  growth hormoneE) None of the above
F) A) and D)

Question 20

Which of the following is likely to occur after drinking three alcoholic beverages?

Accepted Answer

A)  Increased urination due to alcohol activating antiduretic hormone production.
B)  Decreased urination due to alcohol activating aldosterone production.
C)  Increased urination due to alcohol inhibiting antidiuretic hormone production.
D)  Decreased urination due to alcohol inhibiting antidiuretic hormone production.E) A) and B)
F) All of the above

Exam 45: The Endocrine System

Which of the following is likely to occur after drinking three alcoholic beverages?

Correct Answer
verified

True or False: The thyroid requires negative feedback to prevent overgrowth.

Correct Answer
verified

Atrial natriuretic hormone (ANH) stimulates the kidneys to excrete salt and water in the urine.Why does it make sense that the heart is the source of ANH?

Correct Answer
verified

True or False: Hormones must be present at high concentrations to elicit an effect.

Correct Answer
verified

A couple visits a fertility clinic to determine the basis of their difficulty in conceiving a child.They are surprised to hear they will both be tested for levels of two of the same hormones, which play roles in the ovarian cycle and sperm production.Which hormones are they?

Correct Answer
verified

Which one of the following is a glucocorticoid important in both gluconeogenesis (glucose produced from amino acids) during starvation and anti-inflammation?

Correct Answer
verified

Choose the hormone that is NOT correctly matched with the endocrine gland that secretes it.

Correct Answer
verified

When a diabetic injects insulin, what does this accomplish?

Correct Answer
verified

Correct Answer
verified

True or False: A molecule can act as both a neurotransmitter and a hormone.

Correct Answer
verified

Is it likely that a small, hydrophilic hormone can cross the cell membrane?

Correct Answer
verified

Which hormone is NOT produced by the anterior pituitary gland?

Correct Answer
verified

Why does consumption of alcohol stimulate urination?

Correct Answer
verified

Which of the following is NOT an example of a sex steroid hormone?

Correct Answer
verified

Which two hormones interact to maintain normal levels of blood glucose?

Correct Answer
verified

Your friend is concerned because although she has never been pregnant, her breasts are producing milk.When she went to the doctor, he sent her to the MRI lab for a brain scan.She was too embarrassed to ask the doctor why.What do you tell her?

Correct Answer
verified

What is a benefit of targeting hormone signaling rather than a generic cellular housekeeping process in insects?

Correct Answer
verified

True or False: If Ca⁺² levels in the blood are too low, hormones from the parathyroid gland can induce bones to dissolve and release calcium.

Correct Answer
verified

What is an example of a molecule that can act as both a neurotransmitter and a hormone?

Correct Answer
verified

Which of the following features distinguishes all hormones from neurotransmitters?

Correct Answer
verified

Exam 45: The Endocrine System

Which of the following is likely to occur after drinking three alcoholic beverages?

Correct AnswerverifiedShow Answer

True or False: The thyroid requires negative feedback to prevent overgrowth.

Correct AnswerverifiedShow Answer

Atrial natriuretic hormone (ANH) stimulates the kidneys to excrete salt and water in the urine.Why does it make sense that the heart is the source of ANH?

Correct AnswerverifiedShow Answer

True or False: Hormones must be present at high concentrations to elicit an effect.

Correct AnswerverifiedShow Answer

A couple visits a fertility clinic to determine the basis of their difficulty in conceiving a child.They are surprised to hear they will both be tested for levels of two of the same hormones, which play roles in the ovarian cycle and sperm production.Which hormones are they?

Correct AnswerverifiedShow Answer

Which one of the following is a glucocorticoid important in both gluconeogenesis (glucose produced from amino acids) during starvation and anti-inflammation?

Correct AnswerverifiedShow Answer

Choose the hormone that is NOT correctly matched with the endocrine gland that secretes it.

Correct AnswerverifiedShow Answer

When a diabetic injects insulin, what does this accomplish?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

True or False: A molecule can act as both a neurotransmitter and a hormone.

Correct AnswerverifiedShow Answer

Is it likely that a small, hydrophilic hormone can cross the cell membrane?

Correct AnswerverifiedShow Answer

Which hormone is NOT produced by the anterior pituitary gland?

Correct AnswerverifiedShow Answer

Why does consumption of alcohol stimulate urination?

Correct AnswerverifiedShow Answer

Which of the following is NOT an example of a sex steroid hormone?

Correct AnswerverifiedShow Answer

Which two hormones interact to maintain normal levels of blood glucose?

Correct AnswerverifiedShow Answer

Your friend is concerned because although she has never been pregnant, her breasts are producing milk.When she went to the doctor, he sent her to the MRI lab for a brain scan.She was too embarrassed to ask the doctor why.What do you tell her?

Correct AnswerverifiedShow Answer

What is a benefit of targeting hormone signaling rather than a generic cellular housekeeping process in insects?

Correct AnswerverifiedShow Answer

True or False: If Ca+2 levels in the blood are too low, hormones from the parathyroid gland can induce bones to dissolve and release calcium.

Correct AnswerverifiedShow Answer

What is an example of a molecule that can act as both a neurotransmitter and a hormone?

Correct AnswerverifiedShow Answer

Which of the following features distinguishes all hormones from neurotransmitters?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

True or False: If Ca⁺² levels in the blood are too low, hormones from the parathyroid gland can induce bones to dissolve and release calcium.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified