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29 questions from the medical assistant practice test.
10 questions, graded as you go, with the reason for every answer. No sign-up.
At what angle is an intramuscular injection given?
D. 90 degrees
An IM injection goes straight in at 90 degrees so the needle reaches muscle. 45 degrees is used for subcutaneous injections and 10 to 15 degrees for intradermal.
Reference: Medication administration: parenteral routes, sites and angles
A drug classified as an antipyretic is given to:
A. Reduce fever
Antipyretics such as acetaminophen lower fever (pyr = fire or heat). Itching is treated with an antipruritic, vomiting with an antiemetic and clotting with an anticoagulant.
Reference: Pharmacology: drug classifications
Why should an enteric-coated tablet not be crushed?
B. The coating protects it from stomach acid
The enteric coating carries the tablet through stomach acid to dissolve in the intestine, protecting either the stomach or the drug. Crushing it releases the drug in the stomach.
Reference: Pharmacology: drug forms