The most muscular layer of the heart is called the:
a. endocardium.
b. myocardium.
c. pericardium.
d. epicardium.
B
Health Professions
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The most commonly broken bone in the body is:
a. the ulna. b. the clavicle. c. the tibia. d. a rib.
Health Professions
Who discovered O2 in 1774 and described it as "dephlogisticated air"?
a. Robert Boyle b. Jacque Charles c. Thomas Beddoes d. Joseph Priestley
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The artery that supplies the mandibular molar and premolars is:
A. deep auricular artery B. inferior alveolar artery C. anterior tympanic artery D. middle meningeal artery
Health Professions
What is the net profit for a drug that has an actual acquisition cost of $97.82, a dispensing cost of $3.64, and retails for $108.48?
$6.20 $7.20 $11.90 $12.20
Health Professions