The QRS complex represents:
A) ventricular depolarization.
B) atrial repolarization.
C) atrial depolarization.
D) ventricular repolarization.
A
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Female guinea pigs should have their first litter before the age of 5-9 months because:
A) the litter sizes are smaller and healthier. B) after this age they are no longer able to conceive. C) the pubic symphysis ossifies. D) Kurloff bodies are present in the blood stream.
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Acute and subacute infective endocarditis __________
Fill in the blank(s) with the appropriate word(s).
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