What is a perfect "substance X" for clinical determination of the GFR?
a. creatinine
b. creatine
c. glucose
d. insulin
e. inulin
e
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Which directional term means farther from the midline?
a) medial b) anterior c) proximal d) deep e) lateral
When blood starts to become more alkaline than normal, the renal tubules begin to
A. secrete bicarbonate and H+ through type B cells. B. secrete bicarbonate while reabsorbing H+ in exchange through type B cells. C. secrete H+ while reabsorbing bicarbonate in exchange through type A cells. D. absorb bicarbonate and H+ through type A cells.
With a normal glomerular filtration rate, the entire volume of blood in the body will be filtered approximately every ________ minutes.
A. 60 B. 25 C. 40 D. 90
What is the purpose of cornification?
A. To protect the skin from pathogens B. To allow skin to feel fine touch C. To give the skin color D. To form a durable, waterproof layer on the surface of the skin