Following a heart attack you tell a patient that he now has a myocardial infarction. You explain this as:
A) a blockage of his smallest cardiac veins (venae cordae minimae).
B) an area of his myocardium that is necrotic.
C) an area of his myocardium that is fibrillating.
D) an area of his myocardium that is paradoxically contracting.
E) an area of his myocardium that is edematous.
Ans: B
You might also like to view...
Which statement about peripheral chemoreceptors is incorrect?
a. They are stimulated whenever the arterial falls below normal. b. They are stimulated by a rise in arterial . c. They are stimulated by an increase in arterial H+. d. They are located in the carotid arteries and in the aortic arch. e. When stimulated, they reflexively increase ventilation.
Fibers that exit the collateral ganglia are:
a. preganglionic sympathetic b. postganglionic sympathetic c. both a and b d. parasympathetic
Which organ system removes carbon dioxide from the bloodstream?
A) cardiovascular B) lymphatic C) respiratory D) digestive E) endocrine
A ______, also called a mole, is a harmless, localized overgrowth of melanin-forming cells
Fill in the blank with correct word.