Using a blood pressure cuff that is too large can give you a falsely high blood pressure measurement.
True
False
The Correct Answer is B
Using a blood pressure cuff that is too large typically produces a falsely low blood pressure reading. When a cuff is too large (wide) for the arm, it requires less pressure to occlude the artery because the pressure is distributed over a larger surface area. This causes the Korotkoff sounds to disappear sooner, leading to an underestimated blood pressure. Conversely, a cuff that is too small (narrow) requires excessive inflation pressure to compress the artery, leading to an overestimation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
A. What hormone therapy are you using?: Hormone therapy can significantly affect pharmacokinetics, drug metabolism, and interactions. Knowing current hormone regimens is essential for safe and effective medication management.
B. What is the name of your insurance? Is it a PPO or HMO?: While insurance information is important for billing, it does not directly impact medication history or clinical safety. This is not a priority question in medication review.
C. What pronouns do you prefer to be called?: Using the patient’s preferred pronouns demonstrates respect, fosters trust, and improves communication during medication history-taking. It is an important aspect of patient-centered care.
D. What was your gender defined at birth?: Birth-assigned sex can influence drug dosing, laboratory interpretations, and physiological considerations. Knowing this information helps tailor medication recommendations appropriately, especially during a gender transition.
Correct Answer is B
Explanation
When the arm is positioned above heart level, gravity reduces arterial pressure at the cuff site. This leads to a lower hydrostatic pressure, causing the sphygmomanometer to register a blood pressure that is artificially lower than the true central arterial pressure.
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