Which of the following is the device that transfers x ray energy into visible light?
a. The grid
b. The cassette
c. The cephalostat
d. The intensifying screen
d. Intensifying screens transfer x-ray energy into visible light. This visible light, in turn, exposes the film.
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Which of the following types of humidifiers are used in clinical practice? 1. Heat and moisture exchanger 2. Passover humidifier 3. Bubble humidifier
a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3
Approximately ________ percent of adults aged 60 and older wear full dentures.
A. 5 B. 10 C. 25 D. 50
What is the practice of using certain key muscle groups together with good body alignment and proper body positioning to reduce the risk for injury to both patient and caregiver known as?
A) ?body mechanics B) proper ergonomics C) proper alignment D) body principles
A(n) blood collection tube with a ________ stopper contains heparin.
Fill in the blank(s) with the appropriate word(s).