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BIO.CH.18.TEST - Question 1 4 out of 4 points Each of the...

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Unformatted text preview: Question 1 4 out of 4 points Each of the following hormones is an amino acid derivative, except Answer Selected Answer: thyroid-stimulating hormone. Correct Answer: thyroid-stimulating hormone. X Question 2 4 out of 4 points The chief cells of the parathyroid glands produce a hormone that Answer Selected Answer: increases the level of calcium ions in the blood. Correct Answer: increases the level of calcium ions in the blood. l Question 3 4 out of 4 points Alpha cells are to ________ as beta cells are to ________. Answer Selected Answer: glucagon; insulin Correct Answer: glucagon; insulin l Question 4 4 out of 4 points Liver cells respond to growth hormone by releasing hormones called Answer Selected Answer: somatomedins. Correct Answer: somatomedins. Question 5 4 out of 4 points Figure 18-1 Pituitary Hormones and Their Targets Use Figure 18-1 to answer the following question(s): Identify the hormone labeled "4." Answer Selected Answer: thyroid-stimulating hormone Correct Answer: thyroid-stimulating hormone Question 6 0 out of 4 points Steroid hormones Answer Selected Answer: bind to receptors on the surface of the cell. Correct Answer: bind to intracellular receptors. Question 7 4 out of 4 points Increased levels of the hormone ________ will lead to increased levels of calcium ion in the blood. Answer Selected Answer: parathormone Correct Answer: parathormone Question 8 4 out of 4 points If a person took a drug that inhibited the conversion of T4 to T3, what physiological changes would you expect to observe? Answer Selected Answer: increased thyroxine secretion Correct Answer: increased thyroxine secretion X Question 9 4 out of 4 points Parathyroid hormone does all of the following, except that it Answer Selected Answer: increases urinary losses. Correct Answer: increases urinary losses. Question 10 4 out of 4 points The adrenal medulla produces the hormones Answer Selected Answer: epinephrine and norepinephrine. Correct Answer: epinephrine and norepinephrine. Question 11 4 out of 4 points Calcium ions serve as messengers, generally in combination with an intracellular protein known as Answer Selected Answer: calmodulin. Correct Answer: calmodulin. 8 Question 12 4 out of 4 points The hormone that plays a pivotal role in the maintenance of body temperature is Answer Selected Answer: thyroxine. Correct Answer: thyroxine. 8 Question 13 4 out of 4 points Thyroid hormone contains the mineral Answer Selected Answer: iodine. Correct Answer: iodine. Question 14 0 out of 4 points Addison's disease is the result of inadequate secretion of both glucocorticoids and mineralocorticoids by the adrenal gland. What symptoms would you expect to observe in a person suffering from this disease? Answer Selected Answer: decreased levels of ACTH Correct Answer: hypoglycemia Question 15 4 out of 4 points The C cells of the thyroid gland produce Answer Selected Answer: calcitonin. Correct Answer: calcitonin. Question 16 4 out of 4 points Coordinating centers in the hypothalamus regulate the activities of the nervous and endocrine system by all of the following, except Answer Selected Answer: a modified positive feedback loop involving the pars intermedia of the pituitary gland. Correct Answer: a modified positive feedback loop involving the pars intermedia of the pituitary gland. Question 17 4 out of 4 points Thyroxine and calcitonin are secreted from the Answer Selected Answer: thyroid gland. Correct Answer: thyroid gland. Question 18 4 out of 4 points The pancreatic hormone that causes blood sugar levels to fall is Answer Selected Answer: insulin. Correct Answer: insulin. Question 19 4 out of 4 points The enzyme renin is responsible for the activation of Answer Selected Answer: angiotensin. Correct Answer: angiotensin. A Question 20 4 out of 4 points Neurons of the paraventricular nuclei of the hypothalamus manufacture Answer Selected Answer: oxytocin. Correct Answer: oxytocin. Question 21 4 out of 4 points The hormone produced by the pars intermedia of the adenohypophysis is Answer Selected Answer: MSH. Correct Answer: MSH. Question 22 4 out of 4 points Figure 18-1 Pituitary Hormones and Their Targets Use Figure 18-1 to answer the following question(s): Identify the hormone labeled "5." Answer Selected Answer: thyroxin Correct Answer: thyroxin Question 23 0 out of 4 points Both insulin and glucagon are peptide hormones that target liver cells. The response of the target cells to each of these two hormones are exactly the opposite of each other. This information implies that Answer Selected Answer: the two hormones bind to different cell surface receptors. Correct Answer: each of the two hormones uses a different second messenger. Question 24 4 out of 4 points The term used to describe the presence of glucose in the urine is Answer Selected Answer: glycosuria. Correct Answer: glycosuria. Question 25 4 out of 4 points The pituitary hormone that controls the release of glucocorticoids from the adrenal cortex is Answer Selected Answer: ACTH. Correct Answer: ACTH. ...
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