In the ____ equation, the amount of oxygen delivered to the tissues equals the cardiac output times the arterial oxygen content minus venous oxygen content.
A. Fick
B. Bohr
C. Homans
D. Raynaud's phenomena
Answer: A
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Physiologically, the term respiration refers to the:
A) exchange of gases at the alveolar-capillary interface. B) mechanical process that moves air into and out of the lungs. C) exchange of all gases, nutrients, and wastes at the cellular level. D) exchange of gases at the cellular level.
Which of the following statements about airway management in trauma patients is correct?
a. The jaw-thrust maneuver is useful in trauma patients but only if they are complaining of head or neck pain. b. Research has shown that the jaw-thrust maneuver is easiest to perform and is therefore indicated for critically injured trauma patients. c. Performing the head tilt-chin lift maneuver on a patient with a possible spinal injury could further injure the patient. d. Trauma patients should always have their airway opened with the jaw-thrust maneuver, whereas medical patients should receive the head tilt-chin lift maneuver.
With the JumpSTART triage tool, if the patient's respiratory rate is less than 15 or greater than 45, the patient is triaged as a(n) ____ category patient.
A. Delayed B. Immediate C. Deceased D. Minor
What is the normal systemic capillary pressure?
A. 5 mm Hg B. 17 mm Hg C. 25 mm Hg D. 35 mm Hg