The center body of the Bird® Mark 7A ventilator contains:
I. the ceramic switch and clutch plates
II. the venturi
III. the timing cartridge
IV. the flow-rate control
A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV
D
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The primary muscles of respiration are the
a. diaphragm and the scalenes. b. diaphragm and the obliques. c. diaphragm and the intercostals. d. diaphragm and the abdominals.
A patient has an anion gap of 21 mEq/L. Based on this information, what can you conclude?
1. There is an abnormal excess of unmeasured anions in the plasma. 2. The patient probably has metabolic acidosis. 3. The concentration of fixed acids is decreased. a. 2 only b. 1 and 2 only c. 1 and 3 only d. 3 only
An open posture would include
A) arms folded in front of you B) leaning back in your chair C) avoiding eye contact D) hands and arms to your sides
Which of the following pulse oximeters can measure carboxyhemoglobin (COHb)?
A) Nonin Onyx B) Nonin 8500M C) Masimo Rad-57 D) none of the above