The ____ is a muscular layer that actually performs the heart's work by contracting forcefully and ejecting blood from within the heart's chambers.

A. myocardium
B. pericardium
C. pleural
D. epicardium


Answer: A

Health Professions

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Put the following steps of CPR in the correct order:

1) place the AED 2) administer external compressions 3) open airway 4) activate EMS system a. 1, 2, 3, 4 b. 3, 1, 4, 2 c. 4, 2, 1, 3 d. 2, 1, 3, 4

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A patient breaks out in numerous painful oral ulcers. The patient has just recovered from lesions caused by reactivated herpes simplex virus. Which of the following diagnoses should be enter-tained for the new oral lesions?

a. Behçet's syndrome b. Major aphthous stomatitis c. Erythema multiforme d. Acute (systemic) lupus erythematosus e. Chronic (discoid) lupus erythematosus

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Which volume of the ICD-9-CM is a list of all diagnosis codes in numerical order?

A) volume 1 B) volume 2 C) volume 3 D) volume 4

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_______________ enrolled population will receive health care services through either a prepayment or discounted fee-for-services arrangement.

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

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