Question 1

In the section "Investigating Life: Addicted to Affection",what hypothesis were the scientists examining?

Accepted Answer

A)  Monogamous social attachments will form when hormone receptors are located in a region of the brain that derives feelings of reward.
B)  Monogamous social attachments will form when hormone receptors are located in a region of the brain that derives feelings of aggression.
C)  Higher levels of antidiuretic hormone (ADH) are found in organisms that form monogamous social attachments.
D)  Lower levels of antidiuretic hormone (ADH) are found in organisms that form monogamous social attachments.
E)  Antidiuretic hormone (ADH) is absent in organisms that form monogamous social attachments.F) B) and D)
G) A) and B)

Question 2

What occurs in the pineal gland when an animal is woken up at night with bright lights?

Accepted Answer

A)  The pineal gland stops making melatonin.
B)  The pineal gland produces melatonin.
C)  The pineal gland releases high levels of melatonin into the bloodstream.
D)  The pineal gland removes melatonin from the bloodstream.
E)  The pineal gland is unaffected because there is no sunlight.F) A) and B)
G) A) and C)

Question 3

Endocrine cells secrete hormones into ducts that release the hormones into a body cavity.

Accepted Answer

A) True 
 B)False

Question 4

What is the advantage of the endocrine system over the nervous system?

Accepted Answer

A)  Hormones last for only portions of a second and must be continually sent,unlike neural impulses.
B)  Hormones remain in the bloodstream and cells for long periods of time to maintain homeostatsis,unlike neural impulses.
C)  Hormones are received almost instantaneously by the target cell,unlike neural impulses.
D)  Hormones are transported through nervous tissue,unlike neural impulses.
E)  Hormones are transported through muscle,unlike neural impulses.F) D) and E)
G) A) and B)

Question 5

Which of the following is not a correct statement?

Accepted Answer

A)  Both the nervous system and the endocrine system use neurotransmitters to affect target cells.
B)  A nerve impulse is virtually instantaneous,but hormones take a considerable amount of time to exert their effects.
C)  Hormones and neurotransmitters may share the same target cell.
D)  A single neuron influences only a few cells at a time,whereas hormones circulate throughout the body in the blooD.
E)  Some chemicals act as both neurotransmitters and hormones.F) None of the above
G) B) and C)

Question 6

Which organ was being affected by the BPA that led to decreased LH in the blood?

Accepted Answer

A)  ovary
B)  kidney
C)  pituitary
D)  thyroid
E)  pancreasF) C) and D)
G) B) and D)

Question 7

Estrogen and progesterone normally do which of the following?

Accepted Answer

A)  stimulate LH and FSH production by the uterus
B)  stimulate LH and FSH production by the pituitary
C)  inhibit LH and FSH production by the uterus
D)  They have no effect on LH and FSH production.
E)  inhibit LH and FSH production by the pituitaryF) A) and B)
G) A) and C)

Question 8

Type 2 diabetes is strongly associated with

Accepted Answer

A)  obesity.
B)  old age.
C)  premature infants.
D)  a suppressed immune system.
E)  calcium deficiency.F) A) and C)
G) B) and D)

Question 9

Some animals in cold-weather habitats hibernate for long periods of time during the winter by sleeping in dark dens until the weather becomes warmer.How does hibernation affect melatonin secretion?

Accepted Answer

A)  Hibernation does not affect melatonin secretion because the sun and moon and still rising and setting.
B)  Hibernation decreases melatonin secretion because the temperature is low.
C)  Hibernation increases melatonin secretion because the temperature is low.
D)  Hibernation increases melatonin secretion because the animal is asleep in the dark.
E)  Hibernation decreases melatonin sectretion because the animal is asleep in the dark.F) D) and E)
G) C) and D)

Question 10

The hormone produced by the adrenal gland that constricts blood vessels and slows digestion is

Accepted Answer

A)  calcitonin.
B)  epinephrine.
C)  insulin.
D)  glucagon.
E)  testosteronE.F) None of the above
G) A) and B)

Question 11

Prednisone would be made from which of the following?

Accepted Answer

A)  amino acids
B)  cholesterol
C)  nucleotides
D)  proteins
E)  sucroseF) All of the above
G) None of the above

Question 12

Which of the following would you expect in the blood of a patient with hyperthyroidism?

Accepted Answer

A)  no change in either TSH and thyroid hormones
B)  a decrease in both TSH and thyroid hormones
C)  an increase in TSH and a decrease in thyroid hormones
D)  an increase in both TSH and thyroid hormones
E)  a decrease in TSH and an increase in thyroid hormonesF) A) and D)
G) B) and D) E

Question 13

Which of the following has its primary effect on the brain's pain receptors?

Accepted Answer

A)  ACTH
B)  FSH and LH
C)  endorphins
D)  oxytocin
E)  ADHF) B) and C)
G) None of the above

Question 14

Which of the following could occur in type 2 diabetes?

Accepted Answer

A)  a decrease in insulin secreted by the pancreas
B)  a decrease in blood glucose
C)  a decrease in blood insulin levels
D)  a decrease in insulin receptors on muscle cells
E)  a decrease in glucose secreted by muscle cellsF) B) and D)
G) None of the above

Question 15

The pancreas functions as an endocrine gland by producing and secreting digestive enzymes.

Accepted Answer

A) True 
 B)False

Question 16

In the section "Investigating Life: Addicted to Affection",what did the scientists conclude from the experiment?

Accepted Answer

A)  Blocking hormone receptors in the reward area of the brain increased the likeliness of forming monogamous relationships.
B)  Adding hormone receptors in the reward area of the brain increased the likeliness of forming monogamous relationships.
C)  Blocking hormone receptors in the aggression area of the brain increased the likeliness of forming monogamous relationships.
D)  Adding hormone receptors in the aggression area of the brain increased the likeliness of forming monogamous relationships.
E)  Adding hormone receptors in the aggression area of the brain decreased the likeliness of forming monogamous relationships.F) B) and E)
G) A) and B)

Question 17

Lipid-soluble steroid hormones are synthesized from

Accepted Answer

A)  cholesterol.
B)  amino acids.
C)  nucleotides.
D)  proteins.
E)  sucrosE.F) B) and D)
G) All of the above A

Question 18

Which of the following is a primary endocrine product of the ovaries?

Accepted Answer

A)  estrogen
B)  follicle-stimulating hormone
C)  progesterone and estrogen
D)  progesterone
E)  follicle-stimulating hormone and estrogenF) A) and C)
G) A) and D)

Question 19

Which of the following is not an endocrine gland?

Accepted Answer

A)  hypothalamus
B)  testes
C)  gall bladder
D)  pineal gland
E)  adrenal glandF) B) and D)
G) A) and D) C

Question 20

The human parathyroid gland regulates which of the following in the blood?

Accepted Answer

A)  calcium
B)  glucose
C)  insulin
D)  glucocorticoid
E)  melatoninF) A) and B)
G) B) and E)

Exam 25: The Endocrine System

In the section "Investigating Life: Addicted to Affection",what hypothesis were the scientists examining?

Correct AnswerverifiedShow Answer

What occurs in the pineal gland when an animal is woken up at night with bright lights?

Correct AnswerverifiedShow Answer

Endocrine cells secrete hormones into ducts that release the hormones into a body cavity.

Correct AnswerverifiedShow Answer

What is the advantage of the endocrine system over the nervous system?

Correct AnswerverifiedShow Answer

Which of the following is not a correct statement?

Correct AnswerverifiedShow Answer

Which organ was being affected by the BPA that led to decreased LH in the blood?

Correct AnswerverifiedShow Answer

Estrogen and progesterone normally do which of the following?

Correct AnswerverifiedShow Answer

Type 2 diabetes is strongly associated with

Correct AnswerverifiedShow Answer

Some animals in cold-weather habitats hibernate for long periods of time during the winter by sleeping in dark dens until the weather becomes warmer.How does hibernation affect melatonin secretion?

Correct AnswerverifiedShow Answer

The hormone produced by the adrenal gland that constricts blood vessels and slows digestion is

Correct AnswerverifiedShow Answer

Prednisone would be made from which of the following?

Correct AnswerverifiedShow Answer

Which of the following would you expect in the blood of a patient with hyperthyroidism?

Correct AnswerverifiedE

Which of the following has its primary effect on the brain's pain receptors?

Correct AnswerverifiedShow Answer

Which of the following could occur in type 2 diabetes?

Correct AnswerverifiedShow Answer

The pancreas functions as an endocrine gland by producing and secreting digestive enzymes.

Correct AnswerverifiedShow Answer

In the section "Investigating Life: Addicted to Affection",what did the scientists conclude from the experiment?

Correct AnswerverifiedShow Answer

Lipid-soluble steroid hormones are synthesized from

Correct AnswerverifiedA

Which of the following is a primary endocrine product of the ovaries?

Correct AnswerverifiedShow Answer

Which of the following is not an endocrine gland?

Correct AnswerverifiedC

The human parathyroid gland regulates which of the following in the blood?

Correct AnswerverifiedShow Answer

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E

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A

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C

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