CMA Medical Procedures and Techniques 2

Question 1

When performing a wound irrigation, which solution is most commonly recommended?

Accepted Answer

Normal saline (0.9% NaCl)

Answer

Normal saline is isotonic and non-cytotoxic, making it the preferred irrigating solution for most wounds.

Question 2

Which gauge needle is most appropriate for an intramuscular injection in an adult?

Accepted Answer

21-23 gauge

Answer

21-23 gauge needles are standard for intramuscular injections, providing adequate flow without excessive tissue trauma.

Question 3

When applying a triangular bandage as a sling, the apex of the triangle should be positioned at:

Accepted Answer

The elbow

Answer

The apex of the triangular bandage is placed at the elbow to support and cradle the arm properly in a sling.

Question 4

The correct angle for inserting a needle during intradermal injection is:

Accepted Answer

15 degrees

Answer

Intradermal injections are administered at a 15-degree angle to place the solution just beneath the epidermis, forming a wheal.

Question 5

Which of the following is the correct order of steps when performing a sterile dressing change?

Accepted Answer

Wash hands, remove old dressing, clean wound, apply new dressing

Answer

Hand hygiene must occur first, then the old dressing is removed, the wound is cleaned, and the new sterile dressing is applied.

Certified Medical Assistant Exam Practice Test