Which endocrine gland secretions do not appear to decrease as one ages?
A. melatonin
B. growth hormone
C. thyroid hormones
D. parathyroid hormone
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Question 2) Which of the following are NOT an endogenously produced analgesics?
A. interleukin-2
B. enkephalins
C. dynorphins
D. endorphins
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Question 3) Which of the following is NOT an example of an autocrine chemical messenger?
A. prostacyclins
B. thromboxanes
C. leukotrienes
D. endorphins
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Question 4) Secretions of the pineal gland
A. include vasopressin.
B. may be involved with development of the immune system.
C. may inhibit reproductive functions.
D. increase the release of GnRH from the hypothalamus.
E. decrease the tendency to sleep.
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Question 5) What is/are the function(s) of inhibin?
A. inhibits secretion of FSH from the anterior pituitary gland
B. inhibits secretion of luteinizing hormone from the anterior pituitary gland
C. inhibits secretion of estrogen from the ovaries
D. All of the choices are functions of inhibin.
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Question 6) The main hormone of the male reproductive system is
A. luteinizing hormone.
B. testosterone.
C. progesterone.
D. follicle-stimulating hormone.
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Question 7) Which gland does NOT produce reproductive hormones?
A. ovaries
B. testes
C. placenta
D. thyroid
E. pituitary gland
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Question 8) Which of the following is NOT an effect of dropping blood glucose levels, 1-2 hours after a meal?
A. increased sympathetic stimulation causes insulin secretion to decrease
B. decreasing blood nutrient levels cause increased growth hormone secretion
C. decreasing blood nutrient levels cause increased cortisol secretion
D. increasing parasympathetic stimulation causes increased glucagon secretion
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Question 9) Insulin shock occurs when there is
A. damage to pancreatic beta cells.
B. too much glucagon available.
C. a rapid fall in the blood sugar level.
D. overstimulation of alpha cells.
E. not enough glucagon available.
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Question 10) During exercise, the energy necessary to sustain skeletal muscle cell contraction comes from
A. increased insulin production.
B. increased epinephrine and glucagon release.
C. decreased sympathetic nervous system activity.
D. storing glucose as glycogen.
E. conservation of glucose.
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