CMA Medical Procedures and Techniques 2 — Questions and Answers
Question 1: When performing a wound irrigation, which solution is most commonly recommended?
- Hydrogen peroxide
- Normal saline (0.9% NaCl) (Correct answer)
- Povidone-iodine
- Isopropyl alcohol
Correct answer: Normal saline (0.9% NaCl)
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?
- 18-20 gauge
- 21-23 gauge (Correct answer)
- 25-27 gauge
- 28-30 gauge
Correct answer: 21-23 gauge
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:
- The neck
- The elbow (Correct answer)
- The wrist
- The shoulder
Correct answer: The elbow
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:
- 45 degrees
- 90 degrees
- 15 degrees (Correct answer)
- 60 degrees
Correct answer: 15 degrees
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?
- Clean wound, remove old dressing, apply new dressing, wash hands
- Wash hands, remove old dressing, clean wound, apply new dressing (Correct answer)
- Apply new dressing, clean wound, remove old dressing, wash hands
- Remove old dressing, wash hands, apply new dressing, clean wound
Correct answer: Wash hands, remove old dressing, clean wound, apply new dressing
Hand hygiene must occur first, then the old dressing is removed, the wound is cleaned, and the new sterile dressing is applied.
Question 6: A physician orders 250 mg of amoxicillin oral suspension. The concentration available is 125 mg/5 mL. How many mL should be administered?
- 5 mL
- 10 mL (Correct answer)
- 15 mL
- 20 mL
Correct answer: 10 mL
Using the formula: (250 mg ÷ 125 mg) × 5 mL = 10 mL.
Question 7: When measuring fundal height during a prenatal visit, the measurement is taken from:
- The navel to the xiphoid process
- The symphysis pubis to the fundus (Correct answer)
- The umbilicus to the fundus
- The iliac crest to the fundus
Correct answer: The symphysis pubis to the fundus
Fundal height is measured in centimeters from the symphysis pubis to the top of the uterine fundus.
CMA Medical Procedures and Techniques 2
When performing a wound irrigation, which solution is most commonly recommended?