Question 1

Which type of goiter (enlarged thyroid) can be reduced by the addition of iodine to the diet?

Accepted Answer

A)  Hyperthyroid goiter, in which thyroxine does not turn off the pituitary's secretion of TSH 
B)  Hyperthyroid goiter, in which the thyroid is activated by high levels of thyroxine 
C)  Hypothyroid goiter, involving low functional thyroxine levels and high thyrotropin levels 
D)  Hypothyroid goiter, involving high functional thyroxine levels and low thyrotropin levels 
E)  All types of goiter

Question 2

Which of the following hormones have antagonistic effects?

Accepted Answer

A)  Insulin and glucagon 
B)  Growth hormone and oxytocin 
C)  Oxytocin and prolactin 
D)  Cortisol and testosterone 
E)  Thyroid and parathyroid

Question 3

Which of the following statements does not describe hormonal functioning?

Accepted Answer

A)  Hormones act in very low concentrations. 
B)  Many hormones act at sites distant from where they are produced. 
C)  Hormones are transported in the blood. 
D)  Hormones can alter the expression of genes 
E)  All of the above describe hormonal functioning.

Question 4

Use the following to answer questions:
Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. 
-First extracted by Frederick Banting and Charles Best

Accepted Answer

A)  Insulin 
B)  Glucagon 
C)  Epinephrine 
D)  Somatostatin 
E)   Cortisol

Question 5

Use the following to answer questions:
Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. 
-Inhibits the release of growth hormone

Accepted Answer

A)  Insulin 
B)  Glucagon 
C)  Epinephrine 
D)  Somatostatin 
E)   Cortisol

Question 6

Hormones released by the posterior pituitary are produced in the

Accepted Answer

A)  anterior pituitary. 
B)  hypothalamus. 
C)  pineal gland. 
D)  thymus. 
E)  thyroid.

Question 7

Which of the following statements about mammalian sexual differentiation is true?

Accepted Answer

A)  Any tissue with cells containing the Y chromosome will become a male structure. 
B)  A steady high level of estrogens causes the indifferent organ to become female. 
C)  The absence of estrogens causes an organ to become male. 
D)  The absence of androgens causes an organ to become female. 
E)  Any tissue with cells containing the X chromosome will become female.

Question 8

Which of the following is not one of the distinct chemical groups to which hormones belong?

Accepted Answer

A)  Steroids 
B)  Proteins 
C)  Peptides 
D)  Carbohydrates 
E)  Amines

Question 9

The hormone responsible for releasing calcium from bone into the bloodstream is

Accepted Answer

A)  insulin. 
B)  calcitonin. 
C)  parathyroid hormone. 
D)  thyroxine. 
E)  somatostatin.

Question 10

If you are searching for new compounds that may be hormones, you would not use _______ to test for hormonal activity on target cells.

Accepted Answer

A)  peptides 
B)  proteins 
C)  triglycerides 
D)  steroids 
E)  amines

Question 11

Use the following to answer questions:
Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. 
-Inhibits the release of insulin and glucagon

Accepted Answer

A)  Insulin 
B)  Glucagon 
C)  Epinephrine 
D)  Somatostatin 
E)   Cortisol

Question 12

Vitamin D

Accepted Answer

A)  is synthesized by skin cells. 
B)  is also called calciferol. 
C)  is a hormone, not a vitamin. 
D)  is involved in the regulation of calcium. 
E)  All of the above

Question 13

Sir Vincent Wigglesworth conducted a number of studies on the insect Rhodnius to examine the control of molting. Describe what would happen to a fourth-instar Rhodnius if it was either partially or fully decapitated one week after a blood meal.

Accepted Answer

The answer of Sir Vincent Wigglesworth conducted a number of...

Question 14

Which of the following scientists developed the technique of radioimmunoassay?

Accepted Answer

A)  Paula Radcliffe 
B)  Rosalyn Yalow 
C)  Rosalind Franklin 
D)  Andrew Schally 
E)  Roger Guillemin

Question 15

Which of the following hormones is secreted by the posterior pituitary gland?

Accepted Answer

A)  Prolactin 
B)  Oxytocin 
C)  Endorphins 
D)  Growth hormone 
E)  Luteinizing hormone

Question 16

Which of the following hormones directly stimulates molting in an insect larva?

Accepted Answer

A)  Brain hormone 
B)  Ecdysone 
C)  Juvenile hormone 
D)  Moltin 
E)  Prolactin

Question 17

PTH

Accepted Answer

A)  stimulates osteoblasts to lay down new bone. 
B)  reduces blood calcium levels. 
C)  stimulates calcitonin release. 
D)  is produced by the thyroid gland. 
E)  is released when blood calcium levels fall.

Question 18

Use the following to answer questions:
Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. 
-Slowly released in response to short-term stress

Accepted Answer

A)  Insulin 
B)  Glucagon 
C)  Epinephrine 
D)  Somatostatin 
E)   Cortisol

Question 19

Which of the following would signal a reduction in thyrotropin release?

Accepted Answer

A)  Increased levels of thyrotropin 
B)  Decreased levels of thyrotropin 
C)  Increased levels of thyroxine 
D)  Decreased levels of thyroxine 
E)  Decreased activity of the thyroid

Question 20

Which of the following is one of the hormones that controls molting in insects?

Accepted Answer

A)  Ecdysone 
B)  Oxytocin 
C)  Calcitonin 
D)  Insulin 
E)  Aldosterone

Exam 41: Animal Hormones

Which type of goiter (enlarged thyroid) can be reduced by the addition of iodine to the diet?

Which of the following hormones have antagonistic effects?

Which of the following statements does not describe hormonal functioning?

Use the following to answer questions: Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. -First extracted by Frederick Banting and Charles Best

Use the following to answer questions: Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. -Inhibits the release of growth hormone

Hormones released by the posterior pituitary are produced in the

Which of the following statements about mammalian sexual differentiation is true?

Which of the following is not one of the distinct chemical groups to which hormones belong?

The hormone responsible for releasing calcium from bone into the bloodstream is

If you are searching for new compounds that may be hormones, you would not use _______ to test for hormonal activity on target cells.

Use the following to answer questions: Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. -Inhibits the release of insulin and glucagon

Vitamin D

Sir Vincent Wigglesworth conducted a number of studies on the insect Rhodnius to examine the control of molting. Describe what would happen to a fourth-instar Rhodnius if it was either partially or fully decapitated one week after a blood meal.

Which of the following scientists developed the technique of radioimmunoassay?

Which of the following hormones is secreted by the posterior pituitary gland?

Which of the following hormones directly stimulates molting in an insect larva?

PTH

Use the following to answer questions: Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. -Slowly released in response to short-term stress

Which of the following would signal a reduction in thyrotropin release?

Which of the following is one of the hormones that controls molting in insects?