Platelets are
A) red blood cells that lack a nucleus.
B) red blood cells that have a nucleus.
C) large cells with a prominent, concave nucleus.
D) tiny cells with a polynucleus.
E) cytoplasmic fragments of large cells.
E
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Which is not characteristic of the parasympathetic division of the ANS?
A. Long preganglionic axons B. Craniosacral preganglionic neuron cell bodies C. No rami communicantes D. Long postganglionic axons E. Terminal ganglia close to the target organ
An individual with _____________ has fluid in alveoli, which causes an increased thickness of the respiratory membrane.
A. emphysema B. asthma C. pulmonary edema D. pneumothorax
The nutrients that yield the most energy per gram when metabolized are
A) carbohydrates. B) proteins. C) lipids. D) nucleic acids. E) vitamins.
Vasoconstriction of the arterioles will result in ________ in blood pressure.
A. a decrease B. an increase C. no change