Patho Ch 17
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Organs that respond to a particular hormone are called:
A major feature of the "plasma membrane receptor" mechanism of hormonal action is:
Both a and c are correct
action of cyclic AMP and requirement of second messenger
A major feature of the "activation of genes" mechanism of hormonal action is:
the hormone enters the cell
A hormone having an antidiuretic effect similar to that of antidiuretic hormone (ADH) is:
The hypothalamus controls adenohypophysis by direct involvement of:
hormones convey regulatory information by:
All of the above are correct
endocrine, paracrine, autocrine, synaptic signaling
If calcium levels in the blood were too high, thyrocalcitonin (calcitonin) concentrations in the blood should:
increase, thereby inhibiting osteoclasts
In the negative feed back mechanism controlling thyroid hormone secretion, which is the nonregulatory hormone?
The control of parathyroid hormone is most accurately described as:
negative feedback not involving the pituitary
The renin-angiotensin-aldosterone system begins to function when renin is secreted by the:
The effects of adrenal medullary hormones and the effects of sympathetic stimulation can be described as:
overlapping in most respects
Which best describes the repective effects of insulin and glucagon in blood sugar?
insulin lowers blood sugar, glucagon raises it.
The releasing hormones produced in the hypothalamus travel to the anterior pituitary via the
hypophysial portal system
Which anabolic hormone increases muscle protein synthesis?
Aldosterone maintains electrolyte balance by:
none of the above is correct
Which of the following is not a characteristic of a hormone?
Hormones operate independent of feedback systems
Which of the following is secreted by the posterior pituitary
Which of the following is a true statement regarding the parathyroid gland(s)?
Parathyroid hormone is the most important factor in Ca++ regulation
Which of the following is not found in the thyroid gland?
Which of the following is secreted by the anterior pituitary?
A patient has a hormone-secreting tumor on the adrenal cortex. Which of the following would be expected if the outer two layers of the cortex had to be removed?
Which of the following terms means "obvious changes in cell funtion that result from stimulation by a particular hormone"?
Which of the following is not an effect of glucocorticoids?
A patient is diagnosed with type 1 diabeetes and is unable to produce insulin. Which of the following cells in the pancreas is most likely damaged in this patient?
Which of the following is not a part of the posterior pituitary?
Which of the following is a true statement regarding the hypothalamus?
It contains neurosecretory neurons that secrete releasing hormones
Patho Ch 17
CD and WB questions