Which of the following general statements about blood pressure measurement is correct?
A. A blood pressure cuff that is too large will likely produce a reading that is falsely high
B. A blood pressure cuff that is too small will likely produce a reading that is falsely low
C. A normal size cuff should take up two thirds the length from the armpit to the crease at the elbow
D. The appearance of Korotkoff sounds when taking a manual blood pressure indicates the diastolic blood pressure
Answer: C. A normal size cuff should take up two thirds the length from the armpit to the crease at the elbow
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An action potential begins in a myocardial cell when ________ enters the cell, giving it a ________ charge
A) calcium; positive B) sodium; positive C) sodium; negative D) calcium; negative
What strategy should be used when the patient complains of nasal congestion during the use of a nasal mask for noninvasive ventilation (NIV)?
a. Switch to an oral mask. b. Switch to a face mask. c. Add a heated humidifier. d. Reduce the inspiratory flow.
The main part of the prescription is the ________
Fill in the blank(s) with correct word
During an in-service program, your medical director asks if anyone can tell her the cause of heat cramps. What response would be most appropriate?
A) "They are thought to occur when the patient does not consume enough water and becomes dehydrated." B) "They are caused when the patient's electrolytes such as salt and calcium become deranged and are too low in the body." C) "They occur when the body can no longer compensate and off-load excess heat." D) "They occur when blood vessels constrict and decrease blood flow to the affected muscle."