What is the term for the movement of gas molecules from an area of high pressure to an area of low pressure?
a. dispersion c. diffusion
b. ventilation d. osmosis
c. diffusion
Health Professions
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When lifting the stretcher with a patient secured to it, the EMT must avoid which of the following?
A) Maintaining a straight back B) Bending at the waist C) Contracting the abdominal muscles D) Lifting with the thigh muscles
Health Professions
What is implied by an abnormally prolonged PR interval?
a. Atrioventricular block b. Bundle-branch block c. Myocardial infarction d. Valvular detachment
Health Professions