In the pulmonary capillaries, the bicarbonate ion is always returned to the __________.
a. RBC
b. plasma
c. interstitial fluid
d. alveoli
Answer: a. RBC
Anatomy & Physiology
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A) all of the above. B) housing sensory receptors. C) acting as a protective covering. D) regulating body temperature.
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Kidney stones are primarily composed of
A) cholesterol and esters of other steroid compounds B) crystals and proteins that grow in the renal medulla C) heavy metals that precipitate in the urinary filtrate D) salts of weak acids that serve as buffers in the nephron
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Suppose that you feel something brushing against your abdomen. The sensory information would be carried to the spinal cord over a ________ ramus
A) white ramus communicans B) gray ramus communicans C) posterior D) anterior E) rami communicantes
Anatomy & Physiology