The ____ are highly sensitive to light and function in dim light, but do not provide a sharp image and they detect only black, white, and shades of gray.
A. retinas
B. ciliary bodies
C. rods
D. cones
E. conjunctivas
C. rods
Rods are nerve cells that are highly sensitive to light. They function in dim light, but they do not provide a sharp image or detect color.
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The mnemonic DUMBELS is helpful in determining the toxidrome associated with:
a. Opiate overdose b. Anticholinergic overdose c. Cholinergic overdose d. Heroin overdose
What legal doctrine holds superiors responsible for the actions of their workers?
a. Res ipsa loquitur b. Respondent superior c. Caveat emptor d. Promissory estoppel
When using pulse oximetry long-term, you should move the sensor to a new site every ____.
A. 4 hours B. 2 hours C. 6 hours D. 12 hours E. 24 hours
The insurance verification process occurs at different times. Which of the following would NOT be one of these times?
A. prior to discharge B. at the time of an outpatient visit C. at the time of a direct admission D. upon admission from the ER