A neuron is a
A. cartilage cell.
B. fiber cell.
C. muscle cell.
D. nerve cell.
Answer: D
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Small veins in the neural tissue of the brain empty directly into the
A) coronary sinuses. B) dural sinuses. C) cerebral arterial circle. D) external jugular vein. E) vertebral veins.
"I always have to use a conversion table," a student complained. Which system of measurement is the student most likely using?
A. English B. National C. American Imperial D. Metric
Which of the following arteries is unpaired (a single vessel)?
A. Internal iliac B. Common carotid C. Common iliac D. Renal E. Brachiocephalic
Curve B below represents the oxygen-hemoglobin dissociation curve for normal body temperature, arterial hydrogen ion concentration, and DPG concentration
A. Curve A may represent the dissociation at higher than normal arterial H+ concentration. B. Curve C may represent the dissociation at lower than normal body temperature. C. Curve A may represent the dissociation at very low 2,3 diphosphoglycerate levels. D. Curve C may represent the dissociation at lower than normal arterial H+ concentration. E. Curve A may represent the dissociation at higher than normal body temperature.