The standardization mark on a manual ECG machine should be inserted:
A. aligned with a P wave.
B. between the T wave of one complex and the P wave of the next.
C. at the midpoint of an ST segment.
D. aligned with a T wave.
Answer: B
Health Professions
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Which one of the following statements about pulse oximetry is most accurate?
A) It is a better indicator of respiratory status than either respiratory rate or depth. B) Patients with carbon monoxide poisoning may have normal readings. C) A reading above 90% is adequate for most patients. D) Patients with a reading of 96% or higher do not need supplemental oxygen.
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Smooth, raised, red lesions due to vasodilation of the capillaries is termed pruritus
Indicate whether the statement is true or false
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