Question 1

Which of the following is an example of a negative feedback mechanism in regards to hormone regulation?

Accepted Answer

A)  ADH is released from the pituitary causing water to be reabsorbed in the kidneys.
B)  A baby suckles in order to stimulate milk production.
C)  The uterine contractions during labor stimulate oxytocin production.
D)  All of these are examples of a negative feedback mechanism.
E)  None of these are examples of a negative feedback mechanism.F) B) and E)
G) A) and E)

Question 2

The posterior pituitary gland secretes all of the following EXCEPT

Accepted Answer

A)  oxytocin.
B)  ADH.
C)  prolactin.
D)  None of the choices are correct.E) A) and D)
F) None of the above

Question 3

What is a common function of T3 and T4?

Accepted Answer

A)  stimulate cells to metabolize faster
B)  muscle contraction
C)  cause the blood calcium to increase
D)  blood phosphate levels decrease
E)  cause an increase in the deposition of calcium in the bonesF) B) and E)
G) A) and D)

Question 4

Which of the following factors can lead to diabetes insipidus?

Accepted Answer

A)  Abnormally low level of ADH secretion from the hypothalamus which results in low levels of ADH in the posterior pituitary,preventing the reabsorption of water in the kidneys.
B)  Abnormally high level of ADH secretion from the hypothalamus which results in low levels of ADH in the posterior pituitary,preventing the reabsorption of water in the kidneys.
C)  Abnormally low level of ADH secretion from the hypothalamus which results in high levels of ADH in the posterior pituitary,increasing the reabsorption of water in the kidneys.
D)  Abnormally low level of oxytocin secretion from the hypothalamus which results in low levels of ADH in the posterior pituitary,preventing the reabsorption of water in the kidneys.
E)  Abnormally low level of ADH secretion from the hypothalamus which results in low levels of ADH in the posterior pituitary,increasing the reabsorption of water in the kidneys.F) B) and D)
G) A) and D)

Question 5

Steroid hormones act more slowly and maintain their effects longer than peptide hormones.

Accepted Answer

A) True 
 B)False

Question 6

The birth of a baby and milk production are synchronized.Babies can be born several months prematurely,and milk production is needed immediately after birth.How has the human body evolved to coordinate this delicate timing of events?

Accepted Answer

A)  The ovaries signal the rest of the body tissues by varying the level of estrogen.
B)  Conscious awareness of the arrival of a baby triggers the mother's hypothalamus to secrete prolactin.
C)  The hypothalamus and pituitary that triggered the female reproductive cycle also schedule milk production on a nine-month clock basis.
D)  ADH produced by the baby passes through the placenta and,added to the mother's ADH,builds up her milk production relative to the size of the fetus.
E)  Oxytocin causes both the uterus to contract in labor and the release of milk from mammary glands,which is reinforced by prolactin from the pituitary.F) A) and D)
G) A) and B)

Question 7

Zoologists extracted the chemical that the Japanese beetle uses to attract a mate,and used it in a trap to reduce the beetle population.Scientists were using a(n)

Accepted Answer

A)  hormone.
B)  pesticide.
C)  enzyme.
D)  pheromone.
E)  excretion.F) A) and B)
G) None of the above

Question 8

A researcher has isolated a chemical released by men that reduces premenstrual nervousness and tension in women.This is an example of (a)

Accepted Answer

A)  insulin.
B)  cortisol.
C)  pheromone.
D)  prostaglandin.
E)  nerve growth factor.F) A) and B)
G) A) and C)

Question 9

Both T3 and T4 are produced in the thyroid and are responsible for increasing the metabolic rate of specific organs in the body.

Accepted Answer

A) True 
 B)False

Question 10

Identify the hormone that is released by the anterior pituitary but does not control other endocrine glands.

Accepted Answer

A)  prolactin
B)  thyroid stimulating hormone
C)  adrenocorticotropic hormone
D)  gonadotropic hormone
E)  oxytocinF) All of the above
G) B) and C)

Question 11

________ are hormones that act locally,affecting neighboring cells.

Accepted Answer

A)  Insulin
B)  Oxytocin
C)  Pheromones
D)  Prostaglandins
E)  Oxytocin and pheromones are both correct.F) A) and B)
G) A) and C)

Question 12

Which of the following hormones is produced by the anterior pituitary gland that regulates the production of cortisol?

Accepted Answer

A)  adrenocorticotropic hormone
B)  thyroxine
C)  gonadotropic hormones
D)  prolactin
E)  melanocyte-stimulating hormoneF) B) and E)
G) A) and E)

Exam 40: Hormones and Endocrine Systems

________ are hormones that act locally,affecting neighboring cells.

Correct Answer
verified

Zoologists extracted the chemical that the Japanese beetle uses to attract a mate,and used it in a trap to reduce the beetle population.Scientists were using a(n)

Correct Answer
verified

Identify the hormone that is released by the anterior pituitary but does not control other endocrine glands.

Correct Answer
verified

A researcher has isolated a chemical released by men that reduces premenstrual nervousness and tension in women.This is an example of (a)

Correct Answer
verified

Both T₃ and T₄ are produced in the thyroid and are responsible for increasing the metabolic rate of specific organs in the body.

Correct Answer
verified

The posterior pituitary gland secretes all of the following EXCEPT

Correct Answer
verified

Steroid hormones act more slowly and maintain their effects longer than peptide hormones.

Correct Answer
verified

Which of the following factors can lead to diabetes insipidus?

Correct Answer
verified

Which of the following is an example of a negative feedback mechanism in regards to hormone regulation?

Correct Answer
verified

What is a common function of T₃ and T₄?

Correct Answer
verified

The birth of a baby and milk production are synchronized.Babies can be born several months prematurely,and milk production is needed immediately after birth.How has the human body evolved to coordinate this delicate timing of events?

Correct Answer
verified

Which of the following hormones is produced by the anterior pituitary gland that regulates the production of cortisol?

Correct Answer
verified

Exam 40: Hormones and Endocrine Systems

________ are hormones that act locally,affecting neighboring cells.

Correct AnswerverifiedShow Answer

Zoologists extracted the chemical that the Japanese beetle uses to attract a mate,and used it in a trap to reduce the beetle population.Scientists were using a(n)

Correct AnswerverifiedShow Answer

Identify the hormone that is released by the anterior pituitary but does not control other endocrine glands.

Correct AnswerverifiedShow Answer

A researcher has isolated a chemical released by men that reduces premenstrual nervousness and tension in women.This is an example of (a)

Correct AnswerverifiedShow Answer

Both T3 and T4 are produced in the thyroid and are responsible for increasing the metabolic rate of specific organs in the body.

Correct AnswerverifiedShow Answer

The posterior pituitary gland secretes all of the following EXCEPT

Correct AnswerverifiedShow Answer

Steroid hormones act more slowly and maintain their effects longer than peptide hormones.

Correct AnswerverifiedShow Answer

Which of the following factors can lead to diabetes insipidus?

Correct AnswerverifiedShow Answer

Which of the following is an example of a negative feedback mechanism in regards to hormone regulation?

Correct AnswerverifiedShow Answer

What is a common function of T3 and T4?

Correct AnswerverifiedShow Answer

The birth of a baby and milk production are synchronized.Babies can be born several months prematurely,and milk production is needed immediately after birth.How has the human body evolved to coordinate this delicate timing of events?

Correct AnswerverifiedShow Answer

Which of the following hormones is produced by the anterior pituitary gland that regulates the production of cortisol?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Both T₃ and T₄ are produced in the thyroid and are responsible for increasing the metabolic rate of specific organs in the body.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is a common function of T₃ and T₄?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified