Tubular maximum (Tm)
a. is the maximum amount of a substance that the tubular cells can actively transport within a given time period
b. is the maximum rate at which a substance is filtered at the glomerulus
c. occurs when the membrane carrier becomes saturated
d. is both a and c
e. is both b and c
D
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A(n) ________ contraction describes the opening of stretch-activated channels in smooth muscle cells in response to a distortion of the cell membrane that is commonly observed in ________.
Fill in the blank(s) with the appropriate word(s).
In diabetes insipidus, blood levels of ________ are decreased causing an increase in ________.
A) aldosterone : potassium in the urine B) aldosterone : sodium in the urine C) ADH : plasma volume D) ADH : urine volume E) insulin : glucose in the urine
The female reproductive system releases eggs through the process of ovulation. The eggs then travel to the uterus, which is the most common site for fertilization.
a. true b. false
A skier wiped out while skiing down a large hill. He is conscious and alert and complains of being very cold; he also complains of neck stiffness and numbness and tingling in all of his extremities. A quick assessment reveals that his airway is patent and his breathing is adequate. You should:
A) perform a detailed neurologic exam and carefully palpate his neck. B) apply a cervical collar and start an IV line with warm normal saline. C) immobilize his spine and quickly move him to a warmer environment. D) administer oxygen and perform a detailed secondary assessment.