Question 1

In addition to producing thyroxine, the mammalian thyroid gland produces

Accepted Answer

A)   adrenaline.
B)   calcitonin.
C)   iodine.
D)   prolactin.
E)   thyrotropin.F) C) and D)
G) A) and E)

Question 2

Portal blood vessels connect the _______ to the _______.

Accepted Answer

A)   hypothalamus; brain
B)   hypothalamus; posterior pituitary
C)   hypothalamus; anterior pituitary
D)   anterior pituitary; posterior pituitary
E)   pancreas; liverF) A) and C)
G) C) and D)

Question 3

The adrenal medulla develops from nervous tissue and produces the hormone

Accepted Answer

A)   epinephrine.
B)   adrenocorticotropin.
C)   aldosterone.
D)   cholesterol.
E)   cortisol.F) All of the above
G) C) and E)

Question 4

Use the following to answer questions:
Match the description of a gland, target organ, function, or action specified in the questions that follow with the correct hormone from the list below. 
-An androgen

Accepted Answer

A)   Somatostatin
B)   Melatonin
C)   Aldosterone
D)   Testosterone
E)   Parathyroid hormoneF) A) and E)
G) C) and D)

Question 5

Which of the following is not a function of cortisol?

Accepted Answer

A)   Metabolizing fats for energy
B)   Mediating response to stress
C)   Slowing down metabolism of glucose
D)   Stimulating the immune response
E)   Metabolizing proteins for energyF) A) and C)
G) A) and E)

Question 6

Which of the following is a likely cause of diabetes?

Accepted Answer

A)   Overproduction of insulin by  β\betaβ  cells of the pancreas
B)   Loss of  α\alphaα  cells of the pancreas
C)   Loss of insulin receptors
D)   Overproduction of glucagon
E)   Loss of receptors for somatostatin F) A) and B)
G) A) and C)

Question 7

If a person has an overactive thyroid, you would expect them to have

Accepted Answer

A)   increased metabolic rates in most tissues.
B)   a greater need for insulin than a person with typical thyroid function.
C)   a lower metabolic rate in most tissues than a person with typical thyroid function.
D)   a greater need for cacitriol than a person with typical thyroid function.
E)   damage of their pineal gland due to the lack of thyroxine.F) B) and E)
G) A) and B)

Question 8

Hormones that are secreted by one endocrine gland and control the activities of another endocrine gland are called _______ hormones.

Accepted Answer

A)   growth
B)   obstructive
C)   tropic
D)   selective
E)   paracrineF) A) and C)
G) C) and E)

Question 9

Immunoassays require the use of known amounts of labeled and unlabeled hormone molecules. In the original immunoassays hormones were labeled

Accepted Answer

A)   with radioactive isotopes of iodine.
B)   with fluorescent amino acids.
C)   with sulfur atoms that emit a strong odor.
D)   by using enantiomers of the hormone molecules.
E)   with isotopes of carbon that changed their molecular weight.F) A) and B)
G) B) and D)

Question 10

Use the following to answer questions:
Match the description of a gland, target organ, function, or action specified in the questions that follow with the correct hormone from the list below. 
-Increases reabsorption of sodium ions

Accepted Answer

A)   Somatostatin
B)   Melatonin
C)   Aldosterone
D)   Testosterone
E)   Parathyroid hormoneF) C) and D)
G) B) and C)

Question 11

Which of the following statements about hormones is true?

Accepted Answer

A)   The same hormone can cause different responses in different types of cells.
B)   Whenever a hormone encounters a cell with a receptor to which it can bind, it does bind.
C)   The receptor for a hormone may be on the secreting cell itself.
D)   The receptor for a hormone may be in the plasma membrane or inside the cell.
E)   All of the aboveF) B) and C)
G) C) and D)

Question 12

Pituitary peptide hormones that affect other target glands are called _______ hormones.

Accepted Answer

The answer of Pituitary peptide hormones that affect other target...

Question 13

Which of the following parts of the pituitary makes and secretes its own hormones?

Accepted Answer

A)   Anterior pituitary
B)   Posterior pituitary
C)   Hypothalamus
D)   Portal blood vessels
E)   Adrenal glandF) A) and B)
G) B) and D)

Question 14

Which of the following is the chronological order of events in the molting of Rhodnius, as determined by Sir Vincent Wigglesworth?

Accepted Answer

A)   Blood meal, prothoracicotropic hormone release, ecdysone release
B)   Blood meal, ecdysone release, prothoracicotropic hormone release
C)   Ecdysone release, blood meal, prothoracicotropic hormone release
D)   Prothoracicotropic hormone release, blood meal, ecdysone release
E)   None of the aboveF) C) and D)
G) A) and B)

Question 15

Which of Wigglesworth's observations of Rhodnius bugs helped explain the role of insect hormones?

Accepted Answer

A)   A blood meal triggers molting in these bugs.
B)   If decapitated immediately following a blood meal, the bug will molt.
C)   When two bugs are connected, they molt simultaneously.
D)   When two bugs are connected, the feeding status of one can trigger molting in the other.
E)   When two bugs are decapitated and connected, they do not molt into adults.F) B) and E)
G) A) and C)

Question 16

_______ is a hormone that is produced from cholesterol in skin cells.

Accepted Answer

The answer of _______ is a hormone that is produced...

Question 17

Both epinephrine and cortisol are secreted in response to stress. Which of the following statements is also true for both of these hormones?

Accepted Answer

A)   They act to increase blood glucose availability.
B)   Their receptors are on the surfaces of target cells.
C)   They are secreted by the adrenal cortex.
D)   Their secretion is stimulated by corticotropin.
E)   They are secreted into the blood within seconds of the onset of stress.F) A) and E)
G) C) and D)

Question 18

A target cell's response to a hormone depends on

Accepted Answer

A)   the amount of hormone released.
B)   the number of receptors in or on that target cell.
C)   how well the hormone binds with the receptor.
D)   the presence of the proper receptor in or on the target cell.
E)   All of the aboveF) B) and D)
G) A) and E)

Question 19

The neurohormones antidiuretic hormone (vasopressin)  and oxytocin are produced by the

Accepted Answer

A)   anterior pituitary and released by the posterior pituitary.
B)   hypothalamus and released by the posterior pituitary.
C)   pituitary and signal the hypothalamus.
D)   hypothalamus and signal the brain.
E)   pituitary and signal to the reproductive organs.F) A) and B)
G) A) and C)

Question 20

For measurement of hormone levels in an immuno­assay, a standard curve tells you

Accepted Answer

A)   the amount of the hormone present in a breeding adult of the species under study.
B)   the lowest dose typically seen in individuals of the species when they are healthy.
C)   how the hormone levels change over the course of the day.
D)   the relationship between various concentrations of unlabeled hormone and the amount of hormone still bound to an antibody.
E)   None of the aboveF) C) and E)
G) B) and D)

Exam 41: Animal Hormones

Which of the following statements about hormones is true?

Correct AnswerverifiedShow Answer

Portal blood vessels connect the _______ to the _______.

Correct AnswerverifiedShow Answer

Use the following to answer questions: Match the description of a gland, target organ, function, or action specified in the questions that follow with the correct hormone from the list below. -Increases reabsorption of sodium ions

Correct AnswerverifiedShow Answer

Which of the following parts of the pituitary makes and secretes its own hormones?

Correct AnswerverifiedShow Answer

Which of the following is a likely cause of diabetes?

Correct AnswerverifiedShow Answer

_______ is a hormone that is produced from cholesterol in skin cells.

Correct AnswerverifiedShow Answer

The neurohormones antidiuretic hormone (vasopressin) and oxytocin are produced by the

Correct AnswerverifiedShow Answer

Which of the following is the chronological order of events in the molting of Rhodnius, as determined by Sir Vincent Wigglesworth?

Correct AnswerverifiedShow Answer

A target cell's response to a hormone depends on

Correct AnswerverifiedShow Answer

If a person has an overactive thyroid, you would expect them to have

Correct AnswerverifiedShow Answer

Immunoassays require the use of known amounts of labeled and unlabeled hormone molecules. In the original immunoassays hormones were labeled

Correct AnswerverifiedShow Answer

Use the following to answer questions: Match the description of a gland, target organ, function, or action specified in the questions that follow with the correct hormone from the list below. -An androgen

Correct AnswerverifiedShow Answer

Which of the following is not a function of cortisol?

Correct AnswerverifiedShow Answer

The adrenal medulla develops from nervous tissue and produces the hormone

Correct AnswerverifiedShow Answer

Both epinephrine and cortisol are secreted in response to stress. Which of the following statements is also true for both of these hormones?

Correct AnswerverifiedShow Answer

Hormones that are secreted by one endocrine gland and control the activities of another endocrine gland are called _______ hormones.

Correct AnswerverifiedShow Answer

In addition to producing thyroxine, the mammalian thyroid gland produces

Correct AnswerverifiedShow Answer

Which of Wigglesworth's observations of Rhodnius bugs helped explain the role of insect hormones?

Correct AnswerverifiedShow Answer

Pituitary peptide hormones that affect other target glands are called _______ hormones.

Correct AnswerverifiedShow Answer

For measurement of hormone levels in an immuno­assay, a standard curve tells you

Correct AnswerverifiedShow Answer

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Portal blood vessels connect the _ to the _.

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For measurement of hormone levels in an immunoassay, a standard curve tells you

Correct Answer
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