Select the incorrect statement about rheumatic fever.
A) It causes a heart murmur.
B) It is an autoimmune disease.
C) It is triggered by a streptococcus bacterium.
D) The heart conduction system is disrupted.
E) The heart valves become inflamed and scarred.
Correct Answer:
Verified
Q72: Parasympathetic innervation to the heart
A)involves the vagus
Q73: According to the Frank-Starling law of the
Q74: If the cardiac output is 4,800 ml/min
Q75: The pulmonary circulation carries oxygenated blood from
Q76: At rapid heart rates
A)systole and diastole shorten
Q78: The term systole means
A)closure
B)conduction
C)contraction
D)opening
E)relaxation
Q79: If the EDV were held constant, increased
Q80: During heart failure,
A)the Frank-Starling curve shifts to
Q81: Diastole refers to the period of cardiac
Q82: Oxygenated blood flows through semilunar valves, whereas
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