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 C
Explanation
A. Reservoir: The reservoir is the place where a pathogen lives and multiplies, such as a human, animal, or environment. It is not how the pathogen enters a new host.
B. Susceptible host: The susceptible host is the individual who can potentially be infected by the pathogen. However, this term does not describe how the pathogen enters the host.
C. Portal of entry: The portal of entry is the correct term for the route by which a pathogen enters a new host, such as through the respiratory tract, gastrointestinal tract, or broken skin.
D. Mode of transmission: The mode of transmission refers to how the pathogen is spread from one host to another, such as through direct contact, airborne particles, or vectors. It does not describe how the pathogen enters the host.
Correct Answer is A
Explanation
A. Choose procedure codes based on the encounter form. The encounter form, also known as a superbill, lists the procedures and services provided during the visit. The correct procedure codes (CPT codes) should be selected from this form to ensure accurate billing.
B. Upcode for greater reimbursement. Upcoding, or selecting a higher-level code than justified, is illegal and unethical as it constitutes fraud. This should never be done.
C. Refer to ICD-9 for diagnostic codes. ICD-9 codes have been replaced by ICD-10 codes, which are now the standard for diagnostic coding in the United States. Referring to ICD-9 codes would result in incorrect or outdated billing.
D. Enter all data using lowercase letters. Data entry in all lowercase letters is not a standard practice in medical billing and would not affect the accuracy of the codes. Proper case usage is typically recommended for clarity.
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