Which drug is a beta-blocker that inhibits the action of epinephrine and norepinephrine on the heart?
A. Atropine
B. Phenylephrine
C. Propranolol
D. Nightshade (belladonna)
E. Pilocarpine
C. Propranolol
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Antivirals are used mainly to _____ disease. Select one:
a. prevent b. treat c. both choices d. neither choice
Vestibular input to the cerebellum provides
A. awareness of movement. B. compensatory eye movements. C. awareness of spatial orientation. D. motor coordination. E. all of these functions.
What would be the most immediate consequence of damage to a first-order sensory neuron?
A) This type of damage would not affect the organism. B) Motor function would be lost. C) Sensory information would not be transmitted to the cerebral cortex. D) Sensory information from the receptive field nearest the damaged area would not be transmitted to the CNS.
What type of medical scan is more useful for visualizing soft tissue?
A. X-ray B. MRI