Question 1

The release of which of the following hormones is usually controlled by positive feedback?

Accepted Answer

A)  Insulin
B)  TRH
C)  Oxytocin
D)  Glucagon
E)  None of these are controlled by positive feedbackF) B) and C)
G) B) and D)

Question 2

Hyperthyroidism could be triggered by which of the following?

Accepted Answer

A)  Increased pituitary activity or decreased thyroid hormone production
B)  Increased pituitary activity or increased thyroid hormone production
C)  Decreased pituitary activity or decreased thyroid hormone production
D)  Decreased pituitary activity or increased thyroid hormone production
E)  None of these are correctF) C) and D)
G) D) and E)

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Why don't patients with Grave's disease also have enlarged kidneys or livers?

Accepted Answer

A)  These organs do not have the same neurons that stimulate the thyroid
B)  These organs do not have TSH receptors on their cells
C)  The blood flow to these organs is not the same as the flow to the thyroid
D)  These organs are too far from the thyroid
E)  They cannot produce TSHF) C) and E)
G) A) and D)

Question 5

The hypothalamus links the nervous and endocrine systems by controlling pituitary secretions.

Accepted Answer

A) True 
 B)False

Question 6

All of the glands of the vertebrate endocrine system are regulated by the:

Accepted Answer

A)  Hypothalamus and pons
B)  Hypothalamus and pituitary gland
C)  Cerebrum and medulla oblongata
D)  Pineal gland and pituitary gland
E)  Cerebellum and pituitary glandF) A) and E)
G) B) and C)

Question 7

The parathyroid gland is a homologous structure to which of the following in a fish?

Accepted Answer

A)  Gills
B)  Fins
C)  Lungs
D)  Thyroid gland
E)  Parathyroid glandF) A) and B)
G) C) and D)

Question 8

Prednisone would be most similar to which of the following?

Accepted Answer

A)  Cortisol
B)  Insulin
C)  TRH
D)  Oxytocin
E)  GlucagonF) A) and E)
G) A) and B)

Question 9

How does a birth control pill prevent pregnancy?

Accepted Answer

A)  By preventing the sperm from reaching the egg
B)  By aborting the pregnancy after fertilization
C)  By blocking ovulation
D)  By blocking the production of estrogen and progesterone
E)  By killing spermF) A) and B)
G) None of the above

Question 10

Calcium concentrations in water are lower than in blood.How would calcium ions be taken up by the gills?

Accepted Answer

A)  Osmosis
B)  Active transport
C)  Facilitated diffusion
D)  Diffusion
E)  ExocytosisF) None of the above
G) A) and B)

Question 11

The adrenal glands are located "on top" of:

Accepted Answer

A)  The ovaries
B)  The pancreas
C)  The kidneys
D)  The thyroid gland
E)  The liverF) B) and C)
G) A) and D)

Question 12

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

Accepted Answer

A)  Insulin
B)  TSH
C)  Oxytocin
D)  FSH
E)  None of these are produced by the posterior pituitary glandF) A) and C)
G) C) and D)

Question 13

Prednisone would be made from which of the following?

Accepted Answer

A)  Amino acids
B)  Cholesterol
C)  Nucleotides
D)  Proteins with large amounts of tryptophan
E)  SucroseF) D) and E)
G) A) and C)

Question 14

Hyperthyroidism:

Accepted Answer

A)  Is caused by iodine deficiency
B)  Can cause elevated heart rate
C)  Leads to weight gain
D)  Is not a problem clinically
E)  Is caused by removal of the thyroidF) A) and B)
G) B) and E)

Question 15

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

Accepted Answer

A)  Ovary
B)  Kidney
C)  Pituitary
D)  Thyroid
E)  PancreasF) A) and D)
G) None of the above

Question 16

Gcm-2 is expressed during the development of the parathyroid in chickens,mice,and humans.Which of the following was observed in fish?

Accepted Answer

A)  Gcm-2 was expressed in the tail
B)  Gcm-2 was not expressed anywhere in the fish
C)  Gcm-2 was expressed in the parathyroid
D)  Gcm-2 was expressed in the lungs
E)  Gcm-2 was expressed in the gillsF) B) and E)
G) A) and E)

Question 17

FSH and LH are produced by the:

Accepted Answer

A)  Pancreas
B)  Anterior pituitary gland
C)  Pineal gland
D)  Hypothalamus
E)  Posterior pituitary glandF) A) and B)
G) All of the above

Question 18

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

Accepted Answer

A)  Calcium
B)  Glucose
C)  Insulin
D)  Glucocorticoid
E)  MelatoninF) D) and E)
G) B) and E)

Question 19

If a physician recommends frequent small meals with low carbohydrate and high protein content,the patient most likely:

Accepted Answer

A)  Suffers from hypoglycemia
B)  Suffers from goiter
C)  Suffers from osteoporosis
D)  Suffers from hyperglycemia
E)  Suffers from diverticulitisF) A) and C)
G) C) and D)

Question 20

Peptide hormones are usually which of the following?

Accepted Answer

A)  Bind to a receptor in the cytoplasm of a target cell
B)  Lipid-soluble
C)  Water-soluble and bind to a receptor in the cytoplasm of a target cell
D)  Water-soluble
E)  Lipid-soluble and bind to a receptor in the cytoplasm of a target cellF) All of the above
G) B) and D)

Exam 27: The Endocrine System

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

Correct AnswerverifiedShow Answer

Calcium concentrations in water are lower than in blood.How would calcium ions be taken up by the gills?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

FSH and LH are produced by the:

Correct AnswerverifiedShow Answer

If a physician recommends frequent small meals with low carbohydrate and high protein content,the patient most likely:

Correct AnswerverifiedShow Answer

The hypothalamus links the nervous and endocrine systems by controlling pituitary secretions.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The adrenal glands are located "on top" of:

Correct AnswerverifiedShow Answer

Prednisone would be most similar to which of the following?

Correct AnswerverifiedShow Answer

Why don't patients with Grave's disease also have enlarged kidneys or livers?

Correct AnswerverifiedShow Answer

The parathyroid gland is a homologous structure to which of the following in a fish?

Correct AnswerverifiedShow Answer

All of the glands of the vertebrate endocrine system are regulated by the:

Correct AnswerverifiedShow Answer

How does a birth control pill prevent pregnancy?

Correct AnswerverifiedShow Answer

Gcm-2 is expressed during the development of the parathyroid in chickens,mice,and humans.Which of the following was observed in fish?

Correct AnswerverifiedShow Answer

Peptide hormones are usually which of the following?

Correct AnswerverifiedShow Answer

Prednisone would be made from which of the following?

Correct AnswerverifiedShow Answer

Hyperthyroidism could be triggered by which of the following?

Correct AnswerverifiedShow Answer

Hyperthyroidism:

Correct AnswerverifiedShow Answer

The release of which of the following hormones is usually controlled by positive feedback?

Correct AnswerverifiedShow Answer

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