The purpose of the lens in the eye is to:
a. Focus light on the retina
b. Regulate the amount of light that enters the eye
c. Detect light waves and convert them into action potentials
d. Keep the cornea clean and moist
A
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Prostate cancer is caused by ________
a. age b. a high-fat diet c. heredity d. unknown causes
Advantages of small volume nebulizers (SVNs) include which of the following? 1. Ability to aerosolize many drug solutions 2. Minimal cooperation or coordination required for inhalation 3. Drug concentration and dose can be modified
4. Normal breathing pattern can be used a. 1 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, 3, and 4 only
You have prepared Mrs. White's vitamin B12 shot, performing the "triple check," and are about to administer it when an emergency occurs in the next patient exam room and you are called to assist. You place the prepared injection in a drawer and lock it, then leave the room. When you return, Mrs. White is still waiting patiently. What should you do next?
A. Apologize for the delay and administer the injection you have prepared B. Check the order and the injection again, and then administer the injection C. Thank Mrs. White for waiting and proceed from the point at which you left off D. Offer to change Mrs. White's appointment, since so much time has been lost E. Discard the prepared injection and start over
As a general rule, you should not stick a person more than ____ in an attempt to obtain blood
a. once b. twice c. three times d. four times