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Questions and Answers
What is the main difference between hyperemia and congestion?
What is the main difference between hyperemia and congestion?
- Hyperemia occurs in acute inflammation, while congestion occurs in chronic conditions
- Hyperemia is an active type of increased blood flow, while congestion is a passive type due to obstructed venous flow or increased back pressure (correct)
- Hyperemia leads to deoxygenated blood accumulation, while congestion leads to oxygenated blood accumulation
- Hyperemia is caused by right-sided heart failure, while congestion is caused by arteriolar dilatation
What causes active hyperemia?
What causes active hyperemia?
- Right-sided heart failure
- Obstructed venous flow
- Chronic inflammation
- Arteriolar dilatation due to certain mediators (correct)
In which condition does the affected organ appear red due to engorgement with oxygenated blood?
In which condition does the affected organ appear red due to engorgement with oxygenated blood?
- Congestion
- Right-sided heart failure
- Chronic inflammation
- Active hyperemia (correct)
What is the main cause of active hyperemia?
What is the main cause of active hyperemia?
In which condition does congestion occur?
In which condition does congestion occur?
What causes the affected organ to appear red in active hyperemia?
What causes the affected organ to appear red in active hyperemia?
Flashcards
Active Hyperemia
Active Hyperemia
Increased blood flow caused by arteriole dilation.
Congestion
Congestion
Reduced blood flow due to blocked veins or increased back pressure.
What causes Active Hyperemia?
What causes Active Hyperemia?
Active Hyperemia occurs when arterioles dilate, leading to increased blood flow to an organ.
Why does an organ in Active Hyperemia appear red?
Why does an organ in Active Hyperemia appear red?
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In what condition does Congestion occur?
In what condition does Congestion occur?
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What causes a bluish color in Congestion?
What causes a bluish color in Congestion?
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