________ are leukocytes that neutralize histamine and destroy parasitic worms.
A. Lymphocytes
B. Basophils
C. Monocytes
D. Eosinophils
Answer: D
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A SCUBA diver has been deep underwater and suddenly rises to the surface too fast. Why does the diver get decompression sickness?
A) Pressure decreases and carbon dioxide rushes into cells. B) Pressure changes too fast and the carbon dioxide in the blood forms bubbles. C) Pressure decreases too fast and nitrogen gas in the blood forms bubbles. D) The gas in the SCUBA tank had too much pressure and rapid ascent forces too much air into the blood. E) Pressure increases too fast and too much oxygen enters the blood and forms bubbles.
Proteins that are recaptured from tubular fluid are transported into the luminal membrane by way of
A. diffusion. B. primary active transport with a protein pump. C. secondary active transport with a symporter. D. facilitated diffusion with a carrier. E. pinocytosis.
Transection of the dorsal roots of spinal nerves C5 through T1 results in ________
A) loss of sensation in the upper limb on the same side of the body B) loss of sensation in the upper limb on the opposite side of the body C) loss of movement in the upper limb on the same side of the body D) loss of movement in the upper limb on the opposite side of the body
The P wave of the ECG represents ________
A) depolarization of the ventricles B) repolarization of the ventricles C) repolarization of the atria D) depolarization of the atria