NCCT Medical Assistant Clinical Skills

Question 1

Which site is most commonly used for intramuscular injections in adults?

Accepted Answer

Ventrogluteal muscle

Answer

The ventrogluteal site is preferred for IM injections in adults because it is free of major nerves and blood vessels.

Question 2

Normal adult resting heart rate range is:

Accepted Answer

60–100 bpm

Answer

A normal adult resting heart rate is 60–100 beats per minute.

Question 3

When measuring blood pressure, the cuff should be placed how far above the antecubital fossa?

Accepted Answer

1–2 cm

Answer

The blood pressure cuff should be placed 1–2 cm above the antecubital fossa to allow proper stethoscope placement.

Question 4

Which type of thermometer is contraindicated in patients with tympanic membrane perforation?

Accepted Answer

Tympanic (ear)

Answer

Tympanic thermometers are contraindicated when a perforated tympanic membrane is present because they measure ear canal temperature.

Question 5

Which gauge needle is typically used for routine adult subcutaneous injections?

Accepted Answer

23–25 gauge

Answer

A 23–25 gauge needle is standard for subcutaneous injections, minimizing tissue trauma.

NCCT - National Center for Competency Testing Practice Test