Question 1

In contrast to most other hormones,oxytocin has what unique property?

Accepted Answer

A)  Oxytocin only has one effect on one tissue.
B)  Oxytocin is a sex hormone found in equal amounts in both males and females.
C)  The action of oxytocin builds in a positive feedback loop,rather than maintaining an equilibrium.
D)  Oxytocin affects all cells in the human body,not just one target tissue.
E)  Oxytocin is produced by the embryo and transferred across the placenta to the mother.F) None of the above
G) B) and C)

Question 2

The production of hormones is usually controlled in what two ways?

Accepted Answer

A)  positive and negative feedback mechanisms
B)  neurosecretions and endocrine gland secretions
C)  cooperative hormones and antagonist hormones
D)  negative feedback and other hormone actions
E)  positive feedback and cooperative hormonesF) A) and B)
G) B) and E)

Question 3

Exophthalmia can sometimes be cured by

Accepted Answer

A)  injections of thyroid hormone.
B)  adding iodine to the diet.
C)  a pancreatic implant.
D)  surgically removing a portion of the pancreas,or destroying part of it with radiation.
E)  surgically removing a portion of the thyroid,or destroying part of it with radiation.F) All of the above
G) A) and B)

Question 4

Which group of pituitary hormones will act upon other endocrine glands?

Accepted Answer

A)  TSH,ACTH,and gonadotropic hormones
B)  TSH,ADH,and gonadotropic hormones
C)  oxytocin,ACTH,and gonadotropic hormones
D)  ADH,oxytocin,and gonadotropic hormones
E)  PRL,MSH,and gonadotropic hormonesF) A) and E)
G) C) and D)

Question 5

Which of the following does not pertain to hormones?

Accepted Answer

A)  are all carried in the bloodstream
B)  affect the behavior by acting on the brain
C)  influence the metabolism of cells
D)  essential components of the body's response to stress
E)  can promote cell division and mitosisF) D) and E)
G) A) and C)

Question 6

Leptin,growth factors,and prostaglandins are not produced by organs we call "glands."

Accepted Answer

A) True 
 B)False

Question 7

Which statement is NOT correct about PTH?

Accepted Answer

A)  When calcium level rises,PTH secretion is inhibited.
B)  When calcium level lowers,PTH secretion is stimulated.
C)  PTH has the opposite effect of calcitonin.
D)  PTH stimulates calcium absorption from the gut.
E)  PTH decreases the activity of osteoclasts.F) A) and C)
G) A) and E)

Question 8

Which statement is correct about the role of the ovaries?

Accepted Answer

A)  Under the influence of gonadotropic hormones,the ovaries produce eggs as well as estrogen and progesterone.
B)  Under the influence of gonadotropic hormones,the ovaries produce eggs as well as androgens.
C)  The gonadotropic hormones are secreted by the posterior pituitary that will influence the ovaries to produce eggs as well as estrogen and progesterone.
D)  Under the influence of gonadotropic hormones,the ovaries produce sperm as well as estrogen and progesterone.
E)  Under the influence of gonadotropic hormones,the ovaries produce eggs as well as testosterone.F) B) and E)
G) B) and D)

Question 9

What is "tetany"?

Accepted Answer

A)  continuous muscle contractions due to high blood calcium
B)  continuous muscle contractions from low blood calcium
C)  the random contractions of fibers in a muscle that keep a person upright
D)  inability to function caused by low blood sugar due to diabetes
E)  ultimate muscle fatigue where the oxygen debt exceeds all ATP availableF) A) and D)
G) B) and D)

Question 10

Too much urine indicates

Accepted Answer

A)  too little ADH.
B)  too much ADH.
C)  too little ACTH.
D)  too much ACTH.
E)  an imbalance between the ADH and ACTH levels.F) A) and B)
G) B) and E)

Question 11

Weakened bones can result from an oversecretion of the

Accepted Answer

A)  thyroid gland.
B)  adrenal gland.
C)  pancreas.
D)  parathyroid gland.
E)  pituitary.F) B) and E)
G) A) and C)

Question 12

Prostaglandins

Accepted Answer

A)  are distributed by blood like other hormones.
B)  cause muscles to relax.
C)  alleviate pain.
D)  are proteins produced in the brain.
E)  act locally.F) B) and C)
G) A) and D)

Question 13

Which structure is NOT stimulated by the anterior pituitary?

Accepted Answer

A)  thyroid
B)  adrenal cortex
C)  adrenal medulla
D)  testes and ovaries
E)  mammary glandsF) A) and E)
G) A) and B)

Question 14

Which is NOT a correct association?

Accepted Answer

A)  leptin-signals satiety
B)  platelet-derived growth factor-increases the size of platelets
C)  nerve growth factor-promotes growth of nerves
D)  epidermal growth factor-stimulates growth of skin
E)  granulocyte and macrophage colony-stimulating factor-helps stem cells decide on blood cell productionF) C) and D)
G) A) and D)

Question 15

Somatostatin is produced by the pancreas,stomach,and small intestine.

Accepted Answer

A) True 
 B)False

Question 16

The thyroid is in the abdomen,on top of the kidneys.

Accepted Answer

A) True 
 B)False

Question 17

What is the potential benefit for a woman to choose a mate who has a different major histocompatibility complex than themselves?

Accepted Answer

A)  increased immune response for their offspring
B)  increased intellectual ability of the offspring
C)  greater chance of fertility
D)  greater chance for attracting a successful mate
E)  increased chance of producing multiple offspringF) D) and E)
G) B) and C)

Question 18

What are the chemical signals that act between two individuals of the same species?

Accepted Answer

A)  pheromones
B)  first messenger
C)  second messenger
D)  growth factors
E)  None of the answer choices are chemical signals that communicate between two individuals of the same species.F) All of the above
G) A) and B)

Question 19

What is the cascade of events that follows a stress or trauma to produce adrenal reaction?

Accepted Answer

A)  hypothalamus (ACTH-releasing hormone)  →\rightarrow→ anterior pituitary (ACTH)  →\rightarrow→  adrenal cortex (glucocorticoids) 
B)  hypothalamus (ACTH-releasing hormone)  →\rightarrow→ anterior pituitary (ACTH)  →\rightarrow→ adrenal medulla (epinephrine and norepinephrine) 
C)  anterior pituitary (ACTH)  →\rightarrow→ hypothalamus (ACTH-releasing hormone)  →\rightarrow→ adrenal medulla (epinephrine and norepinephrine) 
D)  adrenal cortex (glucocorticoids)  →\rightarrow→  anterior pituitary (ACTH)  →\rightarrow→ hypothalamus (ACTH-releasing hormone) 
E)  adrenal medulla (epinephrine and norepinephrine)  →\rightarrow→  hypothalamus (ACTH-releasing hormone)  →\rightarrow→ anterior pituitary (ACTH)  F) C) and D)
G) All of the above

Question 20

The role of the second messenger is to carry the message of the hormone on to surrounding cells.

Accepted Answer

A) True 
 B)False

Exam 20: Endocrine System

Which statement is NOT correct about PTH?

Correct AnswerverifiedShow Answer

Which structure is NOT stimulated by the anterior pituitary?

Correct AnswerverifiedShow Answer

Exophthalmia can sometimes be cured by

Correct AnswerverifiedShow Answer

Weakened bones can result from an oversecretion of the

Correct AnswerverifiedShow Answer

In contrast to most other hormones,oxytocin has what unique property?

Correct AnswerverifiedShow Answer

What are the chemical signals that act between two individuals of the same species?

Correct AnswerverifiedShow Answer

What is the potential benefit for a woman to choose a mate who has a different major histocompatibility complex than themselves?

Correct AnswerverifiedShow Answer

Which is NOT a correct association?

Correct AnswerverifiedShow Answer

What is "tetany"?

Correct AnswerverifiedShow Answer

Which group of pituitary hormones will act upon other endocrine glands?

Correct AnswerverifiedShow Answer

Leptin,growth factors,and prostaglandins are not produced by organs we call "glands."

Correct AnswerverifiedShow Answer

Too much urine indicates

Correct AnswerverifiedShow Answer

Prostaglandins

Correct AnswerverifiedShow Answer

Somatostatin is produced by the pancreas,stomach,and small intestine.

Correct AnswerverifiedShow Answer

The thyroid is in the abdomen,on top of the kidneys.

Correct AnswerverifiedShow Answer

Which statement is correct about the role of the ovaries?

Correct AnswerverifiedShow Answer

Which of the following does not pertain to hormones?

Correct AnswerverifiedShow Answer

What is the cascade of events that follows a stress or trauma to produce adrenal reaction?

Correct AnswerverifiedShow Answer

The role of the second messenger is to carry the message of the hormone on to surrounding cells.

Correct AnswerverifiedShow Answer

The production of hormones is usually controlled in what two ways?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified