Podcast
Questions and Answers
What is the average life span of RBCs in the bloodstream?
What is the average life span of RBCs in the bloodstream?
- 120-150 days
- 60-90 days
- 90-120 days (correct)
- 150-180 days
Where does lysis of RBCs normally occur?
Where does lysis of RBCs normally occur?
- Heart
- Lungs
- Liver, spleen, and bone marrow (correct)
- Kidneys
How many RBCs are broken down in the human body approximately every hour?
How many RBCs are broken down in the human body approximately every hour?
- 50-100 million
- 20-50 million
- 200-300 million
- 100-200 million (correct)
What happens to Fe2+ after the breakdown of RBCs?
What happens to Fe2+ after the breakdown of RBCs?
Which process describes the breakdown of RBCs occurring outside of the bloodstream in the reticuloendothelial system?
Which process describes the breakdown of RBCs occurring outside of the bloodstream in the reticuloendothelial system?
Which other hemoproteins contain heme groups that are degraded by the same pathway as Hb?
Which other hemoproteins contain heme groups that are degraded by the same pathway as Hb?
What is the fate of Fe2+ after being transported with transferrin post-breakdown of RBCs?
What is the fate of Fe2+ after being transported with transferrin post-breakdown of RBCs?
Where in the human body does the breakdown of RBCs lead to the production of new heme through a specific pathway?
Where in the human body does the breakdown of RBCs lead to the production of new heme through a specific pathway?
Apart from Hb, which other type of protein contains heme groups that follow a similar degradation pathway?
Apart from Hb, which other type of protein contains heme groups that follow a similar degradation pathway?
In the human body, approximately how many RBCs are broken down every hour?
In the human body, approximately how many RBCs are broken down every hour?
Flashcards
RBC Lifespan
RBC Lifespan
The average lifespan of red blood cells in the bloodstream is 90 to 120 days.
Where are RBCs broken down?
Where are RBCs broken down?
Red blood cells are primarily broken down in the liver, spleen, and bone marrow.
RBC Breakdown Rate
RBC Breakdown Rate
Approximately 100 to 200 million red blood cells are broken down in the human body every hour.
Iron's Fate After RBC Breakdown
Iron's Fate After RBC Breakdown
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Extravascular Lysis
Extravascular Lysis
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Hemoproteins with Similar Degradation Pathways
Hemoproteins with Similar Degradation Pathways
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Iron's Role in Heme Synthesis
Iron's Role in Heme Synthesis
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Heme Synthesis in Bone Marrow
Heme Synthesis in Bone Marrow
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Myoglobin's Degradation Pathway
Myoglobin's Degradation Pathway
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RBC Breakdown Rate
RBC Breakdown Rate
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