Hairy tongue:
a. Is a pre-AIDS sign
b. Is an opportunistic Epstein-Barr virus in-fection
c. Typically occurs bilaterally on the lateral surfaces of the tongue
d. Has malignant potential
e. None of the above
E
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Patients who are undergoing cancer treatment may suffer from
lack of appetite. dry mouth. increased plaque levels. all of the above.
Diphtheria is an example of a recombinant vaccine.
a. true b. false
Which piece of equipment should be used whenever possible during an emergency drag from a vehicle?
a. webbing b. blanket c. long backboard d. short backboard
You have performed an ECG on a patient, resulting in the following ECG tracing. How would you classify the patient's rhythm? 
A. Sinus arrest B. Sinus tachycardia C. Sinus bradycardia D. Sinus dysrhythmia