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The average lifespan is the highest for ...

The average lifespan is the highest for :

A

RBC

B

Neutrophils

C

Eosinophils

D

Basophils

Text Solution

AI Generated Solution

The correct Answer is:
To determine which blood cell has the highest average lifespan among the options given (RBC, neutrophils, eosinophils, basophils), we can analyze the lifespan of each cell type step by step. ### Step 1: Identify the Lifespan of Each Cell Type - **RBC (Red Blood Cells)**: The average lifespan of RBCs is approximately **120 days**. - **Neutrophils**: Neutrophils have a lifespan of about **5 to 135 hours** when inactive, and **1 to 2 days** when active. This translates to roughly **0.2 to 5.6 days**. - **Eosinophils**: Eosinophils have a lifespan of about **2 to 5 days**. - **Basophils**: Basophils have a lifespan of approximately **1 to 2 days**. ### Step 2: Compare the Lifespan of Each Cell Type Now, let's compare the average lifespans: - RBCs: 120 days - Neutrophils: 0.2 to 5.6 days - Eosinophils: 2 to 5 days - Basophils: 1 to 2 days ### Step 3: Determine the Highest Lifespan From the comparison: - The RBCs have a significantly longer lifespan (120 days) compared to the other white blood cells (neutrophils, eosinophils, and basophils), which only have lifespans ranging from a few days to a week at most. ### Conclusion Thus, the average lifespan is the highest for **RBCs (Red Blood Cells)**. ### Final Answer **RBC (Red Blood Cells)** have the highest average lifespan among the options provided. ---
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