Which of the following does not characterize the sympathetic nervous system?
a. It promotes responses that prepare the body for strenuous physical activity.
b. It has some afferent fibers.
c. Most of its postganglionic fibers are adrenergic.
d. Its effects may be excitatory or inhibitory.
e. Its postganglionic neurons display nicotinic receptors.
B
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Which are characteristic of type O blood? a: Has anti-A antibodiesb: Has anti-B antibodiesc: Has surface antigen O on its erythrocytesd: Has surface antigen A on its erythrocytese: Has neither surface antigen A nor B on its erythrocytes
A. b, c, e B. a, b, c C. c D. b, c, d E. a, b, e
White blood cells are produced through the action of colony-stimulating factors
Indicate whether the statement is true or false
Before putting away the microscope in the storage cabinet you must observe all of the following except ________.
Fill in the blank(s) with the appropriate word(s).
The maximum rate of an enzyme reaction
A) occurs during dehydration. B) occurs during hydrolysis. C) occurs during synthesis. D) is reversible. E) occurs at the saturation limit.