Antiviral drugs act by.
A) interfering with cell wall development.
B) decreasing cell membrane permeability.
C) destroying new, immature viral particles.
D) reducing the rate of viral replication.
Ans: D) reducing the rate of viral replication.
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The ________ nerve is a mixed cranial nerve that conducts sensory impulses from and motor impulses to the thoracic and abdominal viscera.
Fill in the blank(s) with the appropriate word(s).
Acetylcholine exerts its effect by
A. binding to receptors at the motor end plate. B. activating acetylcholinesterase. C. allowing calcium to enter the cell. D. stimulating the motor neuron's synaptic knob.
The pulse pressure is ________.
A) systolic pressure plus diastolic pressure B) systolic pressure minus diastolic pressure C) systolic pressure divided by diastolic pressure D) diastolic pressure plus 1/3 (systolic pressure plus diastolic pressure)
Given the following list of organic molecules, which includes hormones? 1) Nucleic acid derivatives 2) Polypeptides 3) Steroids 4) Proteins
A. 1, 2, 3, 4 B. 1, 2, 3 C. 1, 3, 4 D. 1, 2, 4 E. 2, 3, 4