The patient on which you are about to perform an ECG tells you that she sometimes feels a "thumping" in her chest. Which of the following might you expect to see on the ECG tracing?
A. Ventricular fibrillation
B. Premature ventricular complexes
C. Idioventricular rhythm
D. Ventricular tachycardia
Answer: B
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The flow-time curve shows small oscillations after the peak flow rate has been reached. The res-piratory therapist can alleviate this by making which of the following ventilator adjustments?
a. Increase the set flow rate. b. Increase the inspiratory time. c. Decrease the inspiratory rise time. d. Increase the inspiratory rise time.
Which of the following quality control rules would be violated 1 out of 20 times by chance alone?
A. 13s B. 12s C. 22s D. 14s
____ deteriorates upon standing and must be kept in a cool, dark place
A) Alcohol B) Hydrogen peroxide C) Cidex D) Lysol
Which of the following is the most plentiful cellular component found in the blood?
A) White blood cells B) Red blood cells C) Thrombocytes D) Stem cells