Question 1

Stimulates uterine contraction.

Accepted Answer

A)  luteinizing hormone
B)  parathyroid
C)  oxytocin
D)  follicle-stimulating hormone
E)  adrenocorticotropic hormoneF) B) and D)
G) C) and D)

Question 2

Select the incorrect statement regarding paracrine regulation from the choices below.

Accepted Answer

A)  Paracrine regulation molecules can be placed into two broad groups called cytokines and growth factors.
B)  Nitric oxide,which can function as a neurotransmitter,can also be classed as a paracrine regulator molecule.
C)  Endothelin and bradykinin are paracrine molecules that are used in the circulatory system for control of vessel constriction and dilation.
D)  Paracrine molecules are released directly into the circulatory system.
E)  Nerve growth factor,platelet-growth factor,and insulin-like growth factor are some of the examples of paracrine regulator molecules.F) C) and D)
G) B) and C)

Question 3

Which hormone is not produced by the anterior pituitary gland?

Accepted Answer

A)  prolactin
B)  lutenizing hormone
C)  calcitonin
D)  growth hormoneE) All of the above
F) None of the above

Question 4

Which hormone helps with adaptation to long term stress?

Accepted Answer

A)  glucocorticoids
B)  ephinephrine
C)  insulin
D)  glucagon
E)  melatoninF) A) and E)
G) B) and E)

Question 5

The cells of the anterior lobe of the pituitary gland secrete many hormones.From the following list select the hormone that is not secreted from the anterior lobe of the pituitary.

Accepted Answer

A)  growth hormone
B)  prolactin
C)  follicle-stimulating hormone
D)  melanocyte-stimulating hormone
E)  antidiuretic hormoneF) A) and C)
G) A) and B)

Question 6

Parathyroid hormone does not cause

Accepted Answer

A)  kidneys to resorb Ca2+ from the urine.
B)  the activation of vitamin D.
C)  increased blood calcium levels by stimulating osteoclasts to dissolve bone.
D)  acceleration of heartbeat.E) A) and B)
F) A) and C)

Question 7

The hormonal products of the adrenal medulla affect all of the following except they

Accepted Answer

A)  accelerate heartbeat.
B)  stimulate synthesis of glycogen.
C)  increase blood pressure.
D)  reduce blood flow to the skin and digestive organs.
E)  increase blood sugar.F) A) and B)
G) A) and E)

Question 8

Sex steroid hormones are secreted by the
I-testes.
II-ovaries.
III-placenta.
IV-adrenal cortex.
V-adrenal medulla.

Accepted Answer

A)  I and II
B)  I,II,and III
C)  I,II,III,and IV
D)  II,II,III,and V
E)  I,II,III,IV,and VF) A) and C)
G) D) and E)

Question 9

All of the following are examples of sex steroid hormones except

Accepted Answer

A)  estrogen.
B)  progesterone.
C)  prolactin.
D)  testosterone.
E)  estradiol.F) None of the above
G) B) and E)

Question 10

Which hormone is most similar in amino acid structure to chicken vasotocin?

Accepted Answer

A)  antidiuretic hormone
B)  aldosterone
C)  angiotensin II
D)  growth hormone
E)  oxytocinF) A) and D)
G) B) and C)

Question 11

Why does the cAMP pathway produce so many different physiological effects?

Accepted Answer

A)  There is a wide variety of effector proteins that can react with protein kinase A.
B)  cAMP has a completely different mechanism in each cell.
C)  Protein kinase a is completely different in each tissue.
D)  Receptors in the camp pathway dictate the response.E) All of the above
F) A) and D)

Question 12

Which of the following is not a function of oxytocin?

Accepted Answer

A)  pair bonding
B)  milk-ejection reflex
C)  milk production
D)  uterine contractionsE) A) and B)
F) A) and C)

Question 13

Helps regulate sperm production.

Accepted Answer

A)  luteinizing hormone
B)  parathyroid
C)  oxytocin
D)  follicle-stimulating hormone
E)  adrenocorticotropic hormoneF) None of the above
G) All of the above

Question 14

There are two systems in the human body that are devoted exclusively to the regulation of the body organs.They are the

Accepted Answer

A)  endocrine and circulatory systems.
B)  respiratory and circulatory systems.
C)  nervous and circulatory systems.
D)  nervous and endocrine systems.
E)  respiratory and nervous systems.F) C) and D)
G) B) and E)

Question 15

Which of the following organs can be stimulated to produce hormones primarily by the concentration of certain molecules and ions in the blood,rather than neural control?

Accepted Answer

A)  adrenal medulla
B)  posterior pituitary gland
C)  pineal gland
D)  anterior pituitary gland
E)  pancreas and adrenal cortexF) B) and D)
G) None of the above

Question 16

At what step in the cAMP pathway does amplification not occur?

Accepted Answer

A)  receptor-G protein interaction
B)  G protein-cAMP interaction
C)  cAMP-protein kinase interaction
D)  protein kinase-effector molecule interaction
E)  every step in the cAMP pathway produces some amplificationF) A) and C)
G) C) and D)

Question 17

The islets of Langerhans located in the _______ secrete both insulin and glucagon.

Accepted Answer

A)  liver
B)  pituitary
C)  thalamus
D)  kidney
E)  pancreasF) B) and E)
G) A) and D)

Question 18

What is the primary function of the hormone calcitonin?

Accepted Answer

A)  initiates stress response
B)  raises blood glucose level
C)  lowers blood glucose level
D)  stimulates bone growth
E)  inhibits loss of calcium from boneF) A) and D)
G) B) and E)

Question 19

Unlike other hormones,the hormones of the posterior pituitary gland are transported to the hypothalamus by

Accepted Answer

A)  the limbic system.
B)  blood vessels.
C)  neuron axons.
D)  the lymphatic system.
E)  the hypopituitary shunt.F) B) and D)
G) A) and E)

Question 20

The signals of the endocrine system are transmitted to the appropriate target organ via

Accepted Answer

A)  the lymph.
B)  neurons.
C)  the peripheral nervous system.
D)  mesenteric blood vessels.
E)  blood.F) D) and E)
G) None of the above

Exam 46: The Endocrine System

Which hormone helps with adaptation to long term stress?

Correct AnswerverifiedShow Answer

The islets of Langerhans located in the _______ secrete both insulin and glucagon.

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Parathyroid hormone does not cause

Correct AnswerverifiedShow Answer

Helps regulate sperm production.

Correct AnswerverifiedShow Answer

Which of the following is not a function of oxytocin?

Correct AnswerverifiedShow Answer

Sex steroid hormones are secreted by the I-testes. II-ovaries. III-placenta. IV-adrenal cortex. V-adrenal medulla.

Correct AnswerverifiedShow Answer

The hormonal products of the adrenal medulla affect all of the following except they

Correct AnswerverifiedShow Answer

Which hormone is not produced by the anterior pituitary gland?

Correct AnswerverifiedShow Answer

All of the following are examples of sex steroid hormones except

Correct AnswerverifiedShow Answer

Which of the following organs can be stimulated to produce hormones primarily by the concentration of certain molecules and ions in the blood,rather than neural control?

Correct AnswerverifiedShow Answer

The cells of the anterior lobe of the pituitary gland secrete many hormones.From the following list select the hormone that is not secreted from the anterior lobe of the pituitary.

Correct AnswerverifiedShow Answer

Stimulates uterine contraction.

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What is the primary function of the hormone calcitonin?

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Unlike other hormones,the hormones of the posterior pituitary gland are transported to the hypothalamus by

Correct AnswerverifiedShow Answer

There are two systems in the human body that are devoted exclusively to the regulation of the body organs.They are the

Correct AnswerverifiedShow Answer

Select the incorrect statement regarding paracrine regulation from the choices below.

Correct AnswerverifiedShow Answer

Why does the cAMP pathway produce so many different physiological effects?

Correct AnswerverifiedShow Answer

At what step in the cAMP pathway does amplification not occur?

Correct AnswerverifiedShow Answer

The signals of the endocrine system are transmitted to the appropriate target organ via

Correct AnswerverifiedShow Answer

Which hormone is most similar in amino acid structure to chicken vasotocin?

Correct AnswerverifiedShow Answer

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