What is the basic function of the respiratory system?
A) Transport oxygen throughout the body
B) Provide nutrients to the cells absorbed into the bloodstream
C) Release oxygen from the body via hemoglobin sites
D) Exchange oxygen and carbon dioxide with the environment
D) Exchange oxygen and carbon dioxide with the environment
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Your patient had severe bleeding from a laceration to the wrist. You have applied a pressure dressing, and the bleeding appears to have stopped. You should:
A) apply a tourniquet. B) apply a second pressure dressing. C) have the patient sign a release form and discontinue care. D) prepare the patient for transport.
You receive an order to give 324 mg of aspirin by mouth. You have on hand a bottle of 81 mg tablets of chewable aspirin. How many tablets will need to be administered to this patient?
A) two B) one C) four D) three
A mechanically ventilated patient has developed VAP from an endogenous source. How could such bacteria have invaded this patient's lungs? I. growth from condensate in the ventilator breathing circuit II. an HME not changed in a timely fashion III. gastroesophageal reflux IV. colonization of bacteria on the patient's skin
A. I, II only B. III, IV only C. I, II, IV only D. II, III, IV only
Unlike a floppy disk, which of the following has no moving parts, is immune to electromagnetic interference, and is unharmed by surface scratches?
External drive USB drive CD-ROM Zip drive