The active ingredient in marijuana that causes the desirable effects is:
(a) tar
(b) cannabis (c) hashish (d) THC
ANSWER: D
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As humans age, the _____ atrophies, causing a sharp decrease in the number and type of T cells produced
Fill in the blank with the right word.
Lysis of a pathogen by MAC formation is an example of
A. antibody-dependent cell-mediated cytotoxicity. B. antigen presentation. C. complement fixation. D. neutralization. E. opsonization.
While assisting in an outpatient recover room, the LPN recognizes which of the following individuals is at highest risk for fluid or electrolyte concerns?
A. A 59-year-old patient given glycerin (Osmoglyn) preoperatively for cataract surgery B. A 44-year-old patient with a history of glaucoma who takes carbachol (Isopto Carbachol) C. A 61-year-old patient who takes meclizine (Antivert) for vertigo D. A 57-year-old patient who had surgery for a ruptured ear drum
Which of the following diagnoses is most likely to require surgical correction?
A) Hypospadias B) Orchitis C) Erectile dysfunction D) Spermatocele