Question 1

This graph shows the levels of estrogen and progesterone over the course of the menstrual cycle. 
What event is caused by the rapid decrease in hormones in the region indicated by the arrow?

Accepted Answer

A)   ovulation
B)   menstruation
C)   formation of the corpus luteum
D)   follicle maturationE) A) and B)
F) B) and C)

Question 2

The conversion of glucose to glycogen is mediated by

Accepted Answer

A)   insulin.
B)   glucagon.
C)   adrenalin.
D)   estrogen.E) A) and D)
F) A) and C)

Question 3

In a human male, the _______ secrete hormones that coordinate the development of male reproductive structures.

Accepted Answer

The answer of In a human male, the _______ secrete...

Question 4

The adrenal gland in humans is closest to the

Accepted Answer

A)   liver.
B)   kidneys.
C)   stomach.
D)   intestine.E) A) and B)
F) A) and C)

Question 5

Endocrine glands have ducts that open directly into blood vessels.

Accepted Answer

A) True 
 B)False

Question 6

The target cells of epinephrine and norepinephrine are in the

Accepted Answer

A)   pancreas.
B)   thyroid.
C)   hypothalamus.
D)   liver.E) A) and C)
F) A) and B)

Question 7

Which of the following is true of birth control pills?

Accepted Answer

A)   They prevent ovulation by maintaining consistently high levels of progesterone.
B)   They prevent fertilization by changing the chemical makeup of the protective "shell" of the egg so that it cannot be penetrated by sperm.
C)   They prevent sperm from entering the uterus.
D)   They break down the synchronicity of ovulation and preparation of the uterus so that when the egg is released, the uterus is not at the right stage to receive it.E) A) and B)
F) C) and D)

Question 8

Progesterone and luteinizing hormone have the same effects.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following statements correctly describes the activity of adrenaline?

Accepted Answer

A)   It strings glucose molecules together to form glycogen.
B)   In times of stress or danger, it causes glucose to be released for use as fuel.
C)   It stimulates the movement of glucose out of the blood into storage tissues.
D)   It promotes the storage of fatty acids.E) A) and B)
F) A) and C)

Exam 24: Animal Hormones

The conversion of glucose to glycogen is mediated by

Correct Answer
verified

Endocrine glands have ducts that open directly into blood vessels.

Correct Answer
verified

Which of the following is true of birth control pills?

Correct Answer
verified

The adrenal gland in humans is closest to the

Correct Answer
verified

Which of the following statements correctly describes the activity of adrenaline?

Correct Answer
verified

This graph shows the levels of estrogen and progesterone over the course of the menstrual cycle. What event is caused by the rapid decrease in hormones in the region indicated by the arrow?

Correct Answer
verified

In a human male, the _______ secrete hormones that coordinate the development of male reproductive structures.

Correct Answer
verified

Progesterone and luteinizing hormone have the same effects.

Correct Answer
verified

The target cells of epinephrine and norepinephrine are in the

Correct Answer
verified

Exam 24: Animal Hormones

The conversion of glucose to glycogen is mediated by

Correct AnswerverifiedShow Answer

Endocrine glands have ducts that open directly into blood vessels.

Correct AnswerverifiedShow Answer

Which of the following is true of birth control pills?

Correct AnswerverifiedShow Answer

The adrenal gland in humans is closest to the

Correct AnswerverifiedShow Answer

Which of the following statements correctly describes the activity of adrenaline?

Correct AnswerverifiedShow Answer

This graph shows the levels of estrogen and progesterone over the course of the menstrual cycle. What event is caused by the rapid decrease in hormones in the region indicated by the arrow?

Correct AnswerverifiedShow Answer

In a human male, the _______ secrete hormones that coordinate the development of male reproductive structures.

Correct AnswerverifiedShow Answer

Progesterone and luteinizing hormone have the same effects.

Correct AnswerverifiedShow Answer

The target cells of epinephrine and norepinephrine are in the

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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verified

Correct Answer
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Correct Answer
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