A nurse is teaching an adolescent drug prevention class in the community

A parent asks what physical signs can be used to help determine whether an adolescent is using marijuana. In this discussion, the nurse might state that high doses of marijuana would produce which of the following clinical signs?
a. Bradycardia
b. Pale conjunctiva
c. Reddened eyes
d. Edema


ANS: C
Marijuana causes pronounced reddening of the conjunctiva.
Marijuana use typically increases the heart rate 20 to 50 beats per minute, therefore tachycardia, not bradycardia, would be present.
The conjunctiva becomes reddened, not pale, with marijuana use.
Marijuana use, even in high doses, does not cause edema.

Nursing

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