NCCT Medical Assistant Clinical Skills 3

Question 1

A spirometry test measures:

Accepted Answer

Lung volumes and airflow rates

Answer

Spirometry measures lung volumes and the rate of airflow to assess pulmonary function.

Question 2

Which of the following is a contraindication for applying heat therapy?

Accepted Answer

Acute injury within 48 hours

Answer

Heat increases blood flow and swelling, so it is contraindicated in the acute phase of an injury (first 48 hours).

Question 3

The normal respiratory rate for a resting adult is:

Accepted Answer

12–20 breaths/min

Answer

A normal adult respiratory rate at rest is 12–20 breaths per minute.

Question 4

A patient's oxygen saturation reading of 88% on pulse oximetry indicates:

Accepted Answer

Moderate to severe hypoxemia

Answer

Normal SpO2 is 95–100%; a reading of 88% indicates significant hypoxemia requiring clinical attention.

Question 5

When preparing a sterile field, which action would contaminate it?

Accepted Answer

Reaching across the sterile field

Answer

Reaching across a sterile field introduces microorganisms from non-sterile areas, contaminating the field.

NCCT - National Center for Competency Testing Practice Test