In addition to the dorsogluteal and ventrogluteal muscles, which of these sites can safely be used for intramuscular injections?

Deltoid and vastus lateralis

Upper chest and abdomen

Inner forearm and scapular area of the back

Lower leg

Answer and Explanation

The Correct Answer is A

Choice A reason: Deltoid and vastus lateralis are large muscles with good vascularity; they safely absorb IM injections, minimizing nerve damage or tissue irritation risks.

Choice B reason: Chest and abdomen lack sufficient muscle mass for IM; these are subcutaneous or IV sites, risking poor absorption or injury if used intramuscularly.

Choice C reason: Forearm and scapula are too thin or bony; IM injections here risk nerve or bone damage, lacking the muscle bulk needed for safe drug delivery.

Choice D reason: Lower leg (e.g., calf) has small muscles and major vessels; IM use risks vascular injury or slow absorption, making it an unsafe injection site.

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Correct Answer is B

Explanation

Choice A reason: Pharmacy technicians are not authorized to administer medications. Their scope involves preparation and dispensing under supervision, ensuring safety and compliance.

Choice B reason: Safe practice standards dictate that the preparing nurse administers the medications to ensure accuracy and accountability, minimizing potential errors.

Choice C reason: Delegating to the head nurse violates medication administration protocols, as accountability rests with the nurse who prepared the medications.

Choice D reason: Allowing other licensed nurses to distribute medications increases the risk of errors due to lack of firsthand knowledge of preparation specifics.

A. Toxic effect B. Drug allergy C. Idiosyncrasy D. Drug tolerance

Correct Answer is C

Explanation

Choice A reason: Toxic effects involve overdose symptoms like coma; staying awake isn’t toxicity, as Nembutal’s sedative intent is reversed, not exaggerated, in this reaction.

Choice B reason: Drug allergy causes immune responses (e.g., rash); insomnia isn’t allergic, but a paradoxical effect, differing from hypersensitivity reactions entirely.

Choice C reason: Idiosyncrasy is an unexpected reaction; Nembutal, a barbiturate, should sedate, but wakefulness is an abnormal, individual response, fitting this category precisely.

Choice D reason: Tolerance reduces efficacy over time; this acute, opposite reaction to a sedative isn’t tolerance, but an immediate, unpredictable drug response.

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In addition to the dorsogluteal and ventrogluteal muscles, which of these sites can safely be used for intramuscular injections?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse has prepared the 9:00 AM client medications for administration but is called off the unit briefly. Who can distribute these medications to clients?

Correct Answer is B

Explanation

After receiving Nembutal PO at bedtime, a client is wide awake all night instead of going to sleep. What kind of adverse reaction to a drug does this situation represent?

Correct Answer is C

Explanation

The physician gives orders to infuse 1 unit (250 mL) of packed red blood cells over 4 hours. Calculate the flow rate in milliliters per hour.

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