10 Questions
Hyperemia is an active process in which arteriolar ______ leads to increased blood flow.
dilation
Affected tissues turn ______ because of increased delivery of oxygenated blood.
red
Congestion is a passive process resulting from reduced venous ______ of blood from a tissue.
outflow
Congested tissues have an abnormal blue-red color (cyanosis) that stems from the accumulation of ______ hemoglobin in the affected area.
deoxygenated
In long-standing chronic passive congestion, the associated chronic ______ may result in ischemic tissue injury and scarring.
hypoxia
What is the underlying mechanism of hyperemia?
arteriolar dilation
What is the color of congested tissues?
abnormal blue-red (cyanosis)
What is the consequence of chronic passive congestion?
ischemic tissue injury and scarring
What causes the abnormal color in congested tissues?
accumulation of deoxygenated hemoglobin
What is the difference between hyperemia and congestion?
Hyperemia is an active process with increased blood flow, while congestion is a passive process with reduced venous outflow
Test your knowledge on hyperemia and congestion with this quiz! Learn about the differences in underlying mechanisms and consequences, and understand how these conditions affect tissues.
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