Which of the following formulas should a medical assistant use to determine a patient's pulse rate?
Take the patient's pulse for 5 seconds and multiply by 10.
Take the patient's pulse for 15 seconds and multiply by 2.
Take the patient's pulse for 30 seconds and multiply by 4.
Take the patient's pulse for 30 seconds and multiply by 2.
The Correct Answer is D
A. Take the patient's pulse for 5 seconds and multiply by 10: Measuring for 5 seconds and multiplying by 10 is less accurate due to the short measurement time.
B. Take the patient's pulse for 15 seconds and multiply by 2: While this method is more accurate than taking it for 5 seconds, the recommended practice is to measure for 30 seconds for better accuracy.
C. Take the patient's pulse for 30 seconds and multiply by 4: This would be used to determine a pulse rate per minute from a 15-second measurement, not 30 seconds.
D. Take the patient's pulse for 30 seconds and multiply by 2: This method provides a precise measurement of the pulse rate, as taking the pulse for 30 seconds and then multiplying by 2 gives the number of beats per minute.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Pinky: The pinky is not typically used for capillary punctures due to its small size and lower blood flow.
B. Thumb: The thumb is not preferred due to its thick skin and reduced blood flow compared to other fingers.
C. Ring: While the ring finger can be used, the index finger is generally preferred due to its larger surface area and better blood flow.
D. Index: The index finger is preferred for capillary punctures in patients older than 1 year due to its size and ease of access.
Correct Answer is D
Explanation
A. Bone density test:This is not typically recommended as an annual screening for a 45-year-old female unless specific risk factors are present, such as a history of fractures, early menopause, or other conditions that increase the risk of osteoporosis.
B. Dilated eye exam:This is not a routine annual screening for all adults but is recommended annually for individuals with diabetes or at high risk of eye conditions such as glaucoma or macular degeneration.
C. Papanicolaou (Pap) test:A Pap test is recommended every 3 years for women aged 21–65 for cervical cancer screening, and every 5 years when combined with HPV testing in women aged 30–65.
D. Mammogram:A mammogram is recommended annually or biennially for women starting at age 40–50, depending on guidelines.For a 45-year-old female, an annual or biennial mammogram would be appropriate as a preventative screening.
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