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This activity contains 43 questions.

Question 1
1
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What is the physiological basis of all life?
 
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Question 2
2
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The difference between neurotransmitters and hormones has become blurred in recent years, but a chemical is currently classified as a hormone if it _____.
 
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Question 3
3
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Since water-soluble hormones are unable to pass through the plasma membrane, the cellular action they initiate results from _____.
 
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Question 4
4
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What is the role of signal transduction in hormone action?
 
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Question 5
5
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It takes much longer for sex hormones and other steroids to produce their effects than it takes water-soluble hormones. Why?
 
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Question 6
6
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Which of the following is an accurate statement regarding the difference between steroid and water-soluble hormones?
 
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Question 7
7
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Which of the following hormones is(are) believed to act at the cellular level by entering the nucleus and interacting with the nuclear genetic material?
 
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Question 8
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A hormone often affects only certain target cells. The reason the message of an "inappropriate" hormone is "ignored" by nontarget cells is that the nontarget cells _____.
 
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Question 9
9
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Which of the following is an endocrine gland?
 
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Question 10
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What hormone does the pineal gland produce to chemically identify day and season length?
 
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Question 11
11
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Which of the following organs, although it is considered to be an endocrine organ, does not actually manufacture hormones but, instead, stores hormones produced elsewhere?
 
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Question 12
12
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Control over the release of hormones by the anterior lobe of the pituitary is exerted by the hypothalamus through _____.
 
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Question 13
13
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The anterior pituitary gland secretes all of the following except _____.
 
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Question 14
14
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Which of the following hormones is sometimes given to strengthen contractions of the uterus during childbirth?
 
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Question 15
15
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When she was young, a woman suffered a head injury that damaged her pituitary. An injury to the pituitary is particularly serious because of all the functions controlled by this gland. As this person got older, she and her doctors found that all of the following except her _____ was affected.
 
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Question 16
16
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Milk production begins to occur in response to the hormone _____.
 
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Question 17
17
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Which of the following best describes how the hypothalamus controls the secretion of growth hormone (GH) from the anterior pituitary?
 
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Question 18
18
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Which one of the following is a hormone secreted by the posterior pituitary?
 
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Question 19
19
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Which of the following hormones would be produced by a mother in response to the cry of a hungry infant?
 
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Question 20
20
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The level of which of the following hormones increases in the blood as a means to conserve water in the body?
 
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Question 21
21
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Which is a correct statement about prolactin?
 
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Question 22
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Some glands produce hormones that stimulate other endocrine glands. Which of the following is an example?
 
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Question 23
23
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Which disorder is correctly matched with its cause?
 
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Question 24
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Neurosecretory cells can be found in the _____.
 
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Question 25
25
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Because only the _____ gland uses iodine to make its hormones, radioactive iodine is often used as a treatment for tumors of this gland.
 
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Question 26
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Hyperthyroidism, typically characterized by a high metabolic rate and high blood pressure, might be expected when _____.
 
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Question 27
27
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Insufficient thyroid hormone in infants may lead to a condition known as _____.
 
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Question 28
28
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How is the level of thyroxine in the blood regulated?
 
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Question 29
29
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What symptoms would you expect in a person whose diet is chronically low in calcium?
 
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Question 30
30
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The endocrine glands involved in Ca++ homeostasis are _____.
 
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Question 31
31
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Which is a correct statement about the function of the thyroid and parathyroids in blood calcium homeostasis?
 
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Question 32
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A substance that can act as a hormone when activated in the kidneys and liver to cause increased uptake of calcium from food is ___________.
 
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Question 33
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Thyroid-stimulating hormone (TSH) does all of the following except _____.
 
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Question 34
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Every time you eat a cookie or candy bar, your blood sugar increases. This triggers an increase in the hormone _____.
 
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Question 35
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Which of the following hormones have antagonistic (opposing) effects?
 
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Question 36
36
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Type I diabetes mellitus _____.
 
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Question 37
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Which disease is associated with hyperactive beta cells?
 
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Question 38
38
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In response to short-term stress, the medulla of the adrenal glands produces _____ hormones.
 
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Question 39
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Which of the following hormones has the broadest range of targets?
 
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Question 40
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Which of the following endocrine glands releases steroid hormones?
 
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Question 41
41
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Which is a true statement about the adrenal medulla?
 
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Question 42
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Which of the following is a problem with the long-term use of estrogen? .
 
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Question 43
43
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An ancient hormone that has diversified through evolutionary times is _____
 
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