CMA Medical Procedures and Techniques 3

Question 1

Which of the following best describes the purpose of the Snellen chart?

Accepted Answer

Measuring visual acuity

Answer

The Snellen chart is the standard tool for measuring distance visual acuity, typically at 20 feet.

Question 2

During an ECG, the P wave represents:

Accepted Answer

Atrial depolarization

Answer

The P wave represents atrial depolarization, which triggers contraction of the atria.

Question 3

To obtain a urine specimen for a culture and sensitivity test, the medical assistant should instruct the patient to collect a:

Accepted Answer

Clean-catch midstream specimen

Answer

A clean-catch midstream specimen minimizes contamination from skin flora, providing accurate culture results.

Question 4

When performing audiometry, which frequency range is considered the normal speech range?

Accepted Answer

500-2000 Hz

Answer

The 500-2000 Hz range encompasses the frequencies most important for understanding normal conversational speech.

Question 5

Which position is used for examination of the rectum and sigmoid colon?

Accepted Answer

Sim's (lateral recumbent)

Answer

Sim's position (left lateral with right knee flexed) allows access to the rectum and sigmoid colon for examination.

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