Question 1

Pharyngeal arches would be considered which of the following forms of evidence of evolution?

Accepted Answer

A)  Homologous structures
B)  Vestigial structures
C)  Common embryonic structures
D)  Analogous structures
E)  Artificial structureF) D) and E)
G) A) and B)

Question 2

The hormone that stimulates glycogen to be broken down to glucose is:

Accepted Answer

A)  Insulin
B)  Calcitonin
C)  Aldosterone
D)  Glucagon
E)  MelatoninF) A) and B)
G) D) and E)

Question 3

A decrease in LH would affect which of the following?

Accepted Answer

A)  Milk secretion
B)  Tissue growth
C)  Blood pressure
D)  Secretion of glucocorticoids
E)  OvulationF) A) and D)
G) A) and C)

Question 4

The endocrine gland that produces primarily testosterone is the:

Accepted Answer

A)  Testes
B)  Pancreas
C)  Parathyroid gland
D)  Adrenal gland
E)  Pineal glandF) All of the above
G) A) and C)

Question 5

When Gcm-2 mRNA was prevented from being translated what happened to the zebrafish?

Accepted Answer

A)  They failed to develop a parathyroid
B)  They failed to develop lungs
C)  They failed to develop gills
D)  They failed to develop a tail
E)  No change occurredF) C) and D)
G) B) and C) C

Question 6

BPA would be considered which of the following?

Accepted Answer

A)  A neurotoxin
B)  An endocrine disruptor
C)  An antibiotic
D)  A synthetic hormone
E)  A positive feedback stimulatorF) A) and E)
G) A) and D)

Question 7

Insulin is a peptide hormone.Which of the following would occur in a muscle cell exposed to insulin?

Accepted Answer

A)  Intracellular insulin levels would increase
B)  Intracellular glucose levels would decrease
C)  It would contract
D)  It would secrete glucagon
E)  Intracellular cAMP levels would increaseF) A) and D)
G) B) and D)

Question 8

Which of the following would be the primary target for ADH?

Accepted Answer

A)  Pancreas
B)  Mammary gland
C)  Testes
D)  Kidney
E)  OvariesF) A) and B)
G) A) and C)

Question 9

Which of the following is not an endocrine gland?

Accepted Answer

A)  Hypothalamus
B)  Testes
C)  Gall bladder
D)  Pineal gland
E)  Adrenal glandF) C) and D)
G) C) and E)

Question 10

The endocrine gland that produces hormones related to the sympathetic nervous system and steroids that help regulate body fluids is the:

Accepted Answer

A)  Parathyroid gland
B)  Pancreas
C)  Adrenal gland
D)  Pineal gland
E)  TestesF) D) and E)
G) A) and D) C

Question 11

In Type II diabetes,specialized cells in the pancreas fail to produce insulin and release it into the blood stream.

Accepted Answer

A) True 
 B)False

Question 12

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) A) and D)
G) None of the above

Question 13

The endocrine gland that produces hormones that regulate blood glucose levels is the:

Accepted Answer

A)  Parathyroid gland
B)  Adrenal gland
C)  Pineal gland
D)  Pancreas
E)  TestesF) A) and B)
G) C) and E)

Question 14

Cortisol is produced by the adrenal glands located near the kidney.Yet pituitary tumors cause 70% of Cushing's syndrome cases.Which of the following is the best explanation for this observation?

Accepted Answer

A)  The pituitary tumor releases extra ACTH which inhibits the adrenal gland
B)  The pituitary tumor releases extra CRH which stimulates the adrenal gland
C)  The pituitary tumor releases extra ACTH which stimulates the adrenal gland
D)  The pituitary tumor releases extra CRH which inhibits the adrenal gland
E)  The pituitary tumor also produces cortisolF) C) and E)
G) B) and E)

Question 15

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 B)
G) All of the above

Question 16

Steroid hormones:

Accepted Answer

A)  Are typically lipid-soluble
B)  Typically do not bind to a surface receptor on a target cell
C)  Pass through cell membranes
D)  Typically alter gene expression
E)  All are correctF) All of the above
G) A) and E)

Question 17

Fish gills perform which of the following?

Accepted Answer

A)  Exchange gasses
B)  Absorb calcium
C)  Secrete hormones
D)  Exchange gasses and secrete hormones
E)  Exchange gasses and absorb calciumF) A) and E)
G) B) and E)

Question 18

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

Accepted Answer

A)  ACTH
B)  FSH and LH
C)  Endorphins
D)  Oxytocin
E)  ADHF) A) and C)
G) B) and D)

Question 19

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 hormonesF) A) and B)
G) All of the above A

Question 20

The hormone that primarily maintains the composition of body fluids is:

Accepted Answer

A)  ADH
B)  Prolactin
C)  Oxytocin
D)  LH
E)  TSHF) A) and B)
G) B) and E)

Exam 27: The Endocrine System

Pharyngeal arches would be considered which of the following forms of evidence of evolution?

Correct AnswerverifiedShow Answer

The hormone that stimulates glycogen to be broken down to glucose is:

Correct AnswerverifiedShow Answer

A decrease in LH would affect which of the following?

Correct AnswerverifiedShow Answer

The endocrine gland that produces primarily testosterone is the:

Correct AnswerverifiedShow Answer

When Gcm-2 mRNA was prevented from being translated what happened to the zebrafish?

Correct AnswerverifiedC

BPA would be considered which of the following?

Correct AnswerverifiedShow Answer

Insulin is a peptide hormone.Which of the following would occur in a muscle cell exposed to insulin?

Correct AnswerverifiedShow Answer

Which of the following would be the primary target for ADH?

Correct AnswerverifiedShow Answer

Which of the following is not an endocrine gland?

Correct AnswerverifiedShow Answer

The endocrine gland that produces hormones related to the sympathetic nervous system and steroids that help regulate body fluids is the:

Correct AnswerverifiedC

In Type II diabetes,specialized cells in the pancreas fail to produce insulin and release it into the blood stream.

Correct AnswerverifiedShow Answer

Which of the following could occur in Type 2 diabetes?

Correct AnswerverifiedShow Answer

The endocrine gland that produces hormones that regulate blood glucose levels is the:

Correct AnswerverifiedShow Answer

Cortisol is produced by the adrenal glands located near the kidney.Yet pituitary tumors cause 70% of Cushing's syndrome cases.Which of the following is the best explanation for this observation?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Steroid hormones:

Correct AnswerverifiedShow Answer

Fish gills perform which of the following?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is not a correct statement?

Correct AnswerverifiedA

The hormone that primarily maintains the composition of body fluids is:

Correct AnswerverifiedShow Answer

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C

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C

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A

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