The cardiac muscle receives its supply of oxygenated blood by which of the following mechanisms?
A) Absorption of oxygen from the blood returning from the lungs
B) Coronary arteries that branch off the aorta
C) Coronary veins that branch off the pulmonary vein as it returns oxygenated blood to the heart
D) None of the above
B
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A) Increased heart rate B) Elevated body temperature C) Unresponsiveness D) Low blood pressure
Information, electronic or handwritten, that records the reasons a physician saw a patient is known as ________
Fill in the blank with correct word.
_________________ dilates the coronary blood vessels to decrease cardiac work load in an anginal attack
Fill in the blank(s) with correct word
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Indicate whether the statement is true or false