The skin and mucosal tissue can prevent the spread of infectious agents by acting as _____ barri-ers
a. immunologic c. epidermal
b. mechanical d. soft
ANS: B
The skin and mucous membranes are mechanical barriers to infection, meaning that they physi-cally prohibit the transfer of infectious organisms into a host.
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Phenytoin decreases passive sodium influx across brain cell membranes by blocking _____ channels
Fill in the blank(s) with correct word
Used needles are disposed of in (a) ____________
a. biohazard trash container b. sharps container c. both a and b d. neither a nor b
Rosie is a 3-year-old child who has a confirmed bacterial pneumonia caused by Streptococcus pneumoniae. The physician orders Zinacef 50 mg/kg/day IM q6h. Rosie weighs 30 lb. How many milligrams of the medication will Rosie receive in one dose?
A. 85 mg B. 170 mg C. 250 mg D. 350 mg E. 680 mg
Define the term reduction