Which of the following statements about sinus dysrhythmia is true?
A. The QRS duration varies along with the heart rate.
B. The intervals between the P-P and R-R waves vary.
C. The PR interval varies along with the heart rate.
D. The P waves are usually inverted in deflection.
Answer: B
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____ occurs as an acute and typically reversible change in mental status from the patient's baseline mental status.
A. Nocturia B. Delirium C. Dementia D. Presbyopia
A physician who specializes in the treatment of patients with cancer is a(n) ________.
A. pathologist B. urologist C. oncologist D. gynecologist E. surgeon
When two or more modifiers are necessary to completely define a service, the medical office assistant should:
A) list each modifier on the same line as the CPT code, separated by commas. B) repeat the CPT code and append each modifier as many times as necessary. C) attach a special report instead of using the modifiers. D) append modifier -99 to the basic procedure code and list the other modifiers as part of the description of service.
Thick blood films for malaria diagnosis are best used for which purpose?
a. Initial screening b. Determination of the percent of parasitemia c. Speciation d. Identification of stages