CMA Medical Procedures and Techniques 5

Question 1

Which of the following is the correct landmark for a deltoid intramuscular injection in an adult?

Accepted Answer

2 inches below the acromion process

Answer

The deltoid injection site is located approximately 2 inches (2-3 finger widths) below the acromion process of the shoulder.

Question 2

When obtaining a throat culture, the swab should be applied to which area?

Accepted Answer

The tonsillar pillars and posterior pharynx

Answer

The tonsillar pillars and posterior pharynx harbor the pathogens most relevant to throat infections and must be firmly swabbed.

Question 3

A patient requires oxygen via nasal cannula at 2 L/min. The approximate FiO2 (fraction of inspired oxygen) delivered is:

Accepted Answer

28%

Answer

At 2 L/min via nasal cannula, the FiO2 is approximately 28%; each liter adds roughly 4% above room air (21%).

Question 4

Which of the following is the primary purpose of applying a cold compress immediately after an acute musculoskeletal injury?

Accepted Answer

Reducing inflammation and decreasing pain

Answer

Cold application causes vasoconstriction, which reduces edema, bruising, and pain in the acute phase of injury.

Question 5

When performing a 12-lead ECG, lead V4 is placed at:

Accepted Answer

5th intercostal space, midclavicular line

Answer

V4 is placed at the 5th intercostal space in the midclavicular line, which is a key landmark for precordial lead placement.

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