The assignment of codes L89.--0 are used for pressure ulcers for which stage cannot be clinically determined. The criteria for use of these codes includes all except _____.
A. ulcer is covered with eschar
B. ulcer has been grafted with skin
C. ulcer is due to trauma
D. ulcer has been grafted with muscle
Answer: C
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A log of all occupational injuries and illnesses must be kept for:
a. two years b. three years c. five years d. seven years
In patients with closed-head injuries, what may happen in the presence of hypercapnia?
a. High CO2 increases the risk of psychotic events. b. High CO2 levels cause cerebral vasodila-tion and improved oxygenation. c. Severe cerebral vasoconstriction results in anoxia and stroke. d. Vasodilation causes increased intracranial pressure and possibly stops blood flow.
The only indication for idarubin is acute __________
Fill in the blank(s) with correct word
___________ causes body heat to be lost as warm air in the lungs is exhaled into the atmosphere and cooler air is inhaled.
a. convection b. conduction c. radiation d. respiration