Tetracaine drops are used in ophthalmologic procedures to:
a. fill the posterior cavity to prevent retinal detachment
b. numb the surface of the eye and surrounding structures
c. irrigate the cornea to prevent drying and abrasions
d. flush traumatic laceration tissue to prevent post-op SSI
b
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If the PR interval is greater than 0.20 seconds, this is called a _____ block
a. third-degree b. Mobitz II c. Mobitz I d. first-degree
You have been summoned to a grocery store for a 6-year-old girl who has collapsed. On scene, you find the girl lying unresponsive on the floor. Quickly you open the airway and determine that she is not breathing. When you try to ventilate her with the bag-valve mask, you are unable to do so. Repositioning the head and reattempting ventilation is not successful in passing air into the lungs. Your
next action would be to: A) perform a blind finger sweep. B) administer 30 chest compressions. C) ventilate with greater force. D) place an oral airway.
Thirty AMI patients who smoked were counseled against smoking; two were not. What is the ratio of AMI smokers who were counseled to those who were not?
What will be an ideal response?
Thinning of bone tissue and loss of bone density is known as:
A) osteopenia. B) osteoarthritis. C) osteoporosis. D) osteogensis.