A blood pressure cuff bladder should be long enough to: cover 20% to 25% of the arm circumference. cover 75% to 80% of the arm circumference. cover 45% to 50% of the arm circumference. completely encircle the arm.

Cover 45% to 50% of the arm circumference

Explanation: Using of a blood pressure cuff can sometimes be an herculean tasks. It is required to use the right size not too large and not too small so as to get the most precise blood pressure readings.

It is required when measuring your blood pressure, that a proper size cuff is used. It is also very important that the bladder (inflatable part) of the blood pressure cuff should cover atleast 45% to 50% of the arm circumference.

try rubbing alcohol

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the second one is wrong

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