Physostigmine (Eserine ) is classified as a(n)
A. direct-acting cholinergic drug
B. reversible acetylcholinesterase inhibitor
C. irreversible acetylcholinesterase inhibitor
D. anticholinergic drug
E. ganglionic blocker
B. reversible acetylcholinesterase inhibitor
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Patient records can be used as part of medical research to determine
A) the effectiveness of particular therapies. B) which areas are most likely to be affected by the flu. C) how much funding should be allocated to study certain drugs. D) how valid the results of a particular study may be.
The form of epilepsy in which there is a loss of awareness without muscle convulsions is
a. absence seizure. b. palsy seizure. c. focal seizure. d. tonic-clonic seizure.
During accommodation, pupillary dilation partially compensates for the reduced size of the retinal image by:
A) Thickening the lens B) Contracting the ciliary muscle C) Increasing light entering the pupil D) Narrowing the palpebral opening
Studies have shown that spiritual practices such as meditation and prayer
A. cause individuals to become disassociated with reality. B. reduce the secretion of stress hormones. C. are valuable only when practiced in organized groups. D. are believed by practitioners to be helpful but have no measurable clinical benefits.