Medical Procedures and Techniques Flashcards
7 cards from real CMA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Medical Procedures and Techniques flashcards as text
Which of the following best describes the purpose of the Snellen chart?
Answer: Measuring visual acuity
The Snellen chart is the standard tool for measuring distance visual acuity, typically at 20 feet.
During an ECG, the P wave represents:
Answer: Atrial depolarization
The P wave represents atrial depolarization, which triggers contraction of the atria.
To obtain a urine specimen for a culture and sensitivity test, the medical assistant should instruct the patient to collect a:
Answer: Clean-catch midstream specimen
A clean-catch midstream specimen minimizes contamination from skin flora, providing accurate culture results.
When performing audiometry, which frequency range is considered the normal speech range?
Answer: 500-2000 Hz
The 500-2000 Hz range encompasses the frequencies most important for understanding normal conversational speech.
Which position is used for examination of the rectum and sigmoid colon?
Answer: Sim's (lateral recumbent)
Sim's position (left lateral with right knee flexed) allows access to the rectum and sigmoid colon for examination.
The medical assistant is preparing to apply a plaster cast. Which of the following is true about plaster casting material?
Answer: It generates heat as it sets
Plaster undergoes an exothermic reaction as it sets, which the patient may feel as warmth or heat.
When assisting with a lumbar puncture, which position is most commonly used?
Answer: Lateral recumbent with knees drawn to chest
The lateral recumbent (fetal) position with knees drawn to chest widens the intervertebral spaces for easiest needle insertion.