__________ are placed on the dentin, protect the pulp from chemical irritations, and provide a therapeutic effect
a. Varnishes
b. Low-strength bases
c. Liners
d. Both b and c
d
RATIONALE: Low-strength bases and liners are placed on the dentin, protect the pulp from chemical irritations, and provide a therapeutic effect.
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The midbrain, pons, and medulla oblongata form the:
a. Brainstem b. Diencephalon c. Cerebrum d. Basal ganglia
You treated a 19 year old with a puncture wound to the chest by covering the wound with an impermeable dressing. Now, as you perform your ongoing assessment, you note that the patient is tachypneic and is complaining of difficulty breathing. Breath sounds on the side of the injury are also diminished. Which of the following actions should you take immediately?
a. Assist his breathing with a bag-valve mask. b. Lift a corner of the dressing from the wound for a few seconds; then reapply and check his breath sounds. c. Add another layer to the dressing. d. Load the patient quickly and transport him to a higher level of care.
Sometimes the debris needs to be placed outside a window or other opening, instead of taking it to the driveway or other hard surface. ____ should be placed outside the opening to protect any plants or lawn.
A. Sheet metal B. Glass C. Visqueen D. Canvas
How many heat units are generated by an exposure of 70 kVp, 300 mA, and 0.1 second on a 1f rectified unit?
What will be an ideal response?