Which of the following statements about the right atrium is TRUE?
A) It is the receiving chamber for deoxygenated blood coming from the vena cava.
B) It is a receiving chamber for oxygenated blood returning from the lungs.
C) It is the major pumping chamber of the heart.
D) It is about 100% saturated with oxygen.
A
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The outermost connective tissue covering peripheral nerves is the:
a. Epineurium b. Perineurium c. Endoneurium
How should the EMT respond when first making contact with an alert and oriented patient complaining of chest pain?
A) "Did you call for an ambulance? I am here to help." B) "I am an EMT. Do you want to go to the hospital?" C) "I am here to help you. Do you have chest pain?" D) "My name is Charles Smith, and I am an EMT. Can I help you?"
What is TRUE regarding preventing a heat-related illness?
A) Wait until you are thirsty to begin fluid replacement. B) Limit exposure to hot environments. C) Acclimatization decreases body fluid volume. D) Prepare to acclimatize rapidly.
The level of applied PEEP should be set at what point on the pressure-volume curve?
a. At the upper inflection point of the infla-tion curve. b. Above the lower inflection point of the deflation curve. c. At the peak inspiration point of the infla-tion curve. d. Above the upper inflection point of the deflation curve.