Which is usually the only symptom of pediculosis capitis (head lice)?
a. Itching
b. Vesicles
c. Scalp rash
d. Localized inflammatory response
ANS: A
Itching is generally the only manifestation of pediculosis capitis (head lice). Diagnosis is made by observation of the white eggs (nits) on the hair shaft. Vesicles, scalp rash, and localized inflammatory response are not symptoms of head lice.
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a. availability of handguns. b. growing acceptance of drug use by health professionals. c. inability of facilities to screen employees properly. d. increasing number of patients with mental illness.
According to the US Food and Drug Administration what does pregnancy category B mean for a drug?
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1. weakening the bacterial cell wall to the point that the cell ruptures and dies. 2. inhibiting protein synthesis and suppressing bacterial growth. 3. disrupting bacterial protein synthesis, destroying the bacterial cell. 4. disrupting biochemical reactions, resulting in the death of the cell.