A Normal Sinus Rhythm has all of the following characteristics EXCEPT:

A) P waves are uniform.
B) heart rate is normal.
C) the R-R intervals vary.
D) QRS is less than 0.12 sec.


Answer: C

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Beta1-receptor agonists are used to treat circulatory shock, cardiac arrest, and:

A) hypertension B) constipation C) tachycardia D) hypotension

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The Tabular List is a numerical listing of all CPT codes, divided into Category I, Category II, and Category III

Indicate whether the statement is true or false

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White blood cells (WBCs) are also called ________. 

Fill in the blank(s) with the appropriate word(s).

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Most of the work of the tongue is done by which muscle?

a. Buccinator b. Genioglossus c. Hyoglossus d. Styloglossus

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