Which of the following best describes the physical concept of pressure?
a. Weight ÷ unit volume
b. Mass ? acceleration
c. Force ? distance
d. Force ÷ unit area
ANS: D
Pressure is a measure of force per unit area.
Health Professions
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You respond to a boat dock for a diving injury. You find a 24-year-old male patient unresponsive with frothy blood in the mouth and lung sounds absent on the right side. The patient's friends state they were diving when he came out of the water complaining of chest pains and then collapsed. What condition do you suspect?
A) Air embolism B) Decompression sickness C) Near drowning D) Myocardial infarction
Health Professions
What occurs when the body's need for oxygen exceeds the available oxygen supply?
A) Anaerobic metabolism B) Hypoxia C) Cyanosis D) All of the above
Health Professions