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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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colleen colleen
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12 years ago
Rheumatic fever (RF) is an inflammatory disease following infection from Streptococcus bacteria. It mainly affects children between ages 5 and 15 and occurs approximately 20 days after "strep throat" or "scarlet fever." Severe RF can result in degeneration of the heart valves.

Based on this scenario, RF is most likely to cause:
A) slower heartbeat.
B) uncoordinated contraction of ventricles.
C) faster heart beat.
D) "backslide" of blood from a ventricle to an atrium.
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bio_manbio_man
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