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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Correct Answer is C
Explanation
A. Apply ice to the wound: Ice can help with swelling but is not the first-line treatment for controlling bleeding.
B. Lower the affected leg: Elevating the leg is usually recommended, not lowering it, to help control bleeding.
C. Press down firmly over a pressure point: Applying firm pressure to a pressure point can help control hemorrhage by reducing blood flow to the area.
D. Cauterize the wound from the edges to center: Cauterization is not typically a first response in an emergency setting; it is usually performed in a controlled medical environment.
Correct Answer is B
Explanation
A. Perform a sterile hand scrub: While sterile technique is important in many procedures, a sterile hand scrub is not specifically necessary for suture removal.
B. Lift the knot toward the wound: Lifting the knot towards the wound helps to ease the removal of the suture by reducing tension on the skin, making the procedure easier and less painful.
C. Begin cutting the sutures in the middle of the wound: Sutures should be cut close to the skin, not in the middle, to ensure proper removal and avoid causing unnecessary trauma to the wound.
D. Clean the wound with a disinfectant: Cleaning the wound with a disinfectant is not necessary before suture removal and might irritate the wound. Instead, the area should be cleaned after suture removal if needed.