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Compared to the interstitial fluid that ...

Compared to the interstitial fluid that bathes active muscle cells, blood reaching that tissue in arteries has a :

A

higher `P_(O_2)`

B

higher `P_(CO_2)`

C

greater hydrogencarbonate concentration

D

lower pH

Text Solution

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The correct Answer is:
To answer the question "Compared to the interstitial fluid that bathes active muscle cells, blood reaching that tissue in arteries has a:", we will analyze the differences between the blood in the arteries and the interstitial fluid surrounding the muscle cells. ### Step-by-Step Solution: 1. **Understanding the Components**: - **Blood in Arteries**: This blood is oxygenated and rich in nutrients. It is pumped from the heart to various tissues, including active muscle cells. - **Interstitial Fluid**: This fluid surrounds the muscle cells and provides them with nutrients and oxygen. It is derived from blood but has a different composition. 2. **Oxygen Content**: - Blood in the arteries is rich in oxygen because it has just come from the lungs where oxygen is absorbed. - In contrast, the interstitial fluid has a lower concentration of oxygen because it has already delivered some of its oxygen to the muscle cells for metabolic processes. 3. **Carbon Dioxide Levels**: - The blood in the arteries has lower levels of carbon dioxide since it is freshly oxygenated. - The interstitial fluid, on the other hand, may have higher levels of carbon dioxide due to the metabolic activity of the muscle cells, which produce carbon dioxide as a waste product. 4. **Nutrient Content**: - The blood in the arteries also carries nutrients that are necessary for muscle function. - The interstitial fluid may contain fewer nutrients as they are utilized by the muscle cells. 5. **Conclusion**: - Therefore, compared to the interstitial fluid that bathes active muscle cells, blood reaching that tissue in arteries has a higher concentration of oxygen and lower levels of carbon dioxide. ### Final Answer: The correct answer is that blood in the arteries is **oxygen-rich** compared to the interstitial fluid. ---
To answer the question "Compared to the interstitial fluid that bathes active muscle cells, blood reaching that tissue in arteries has a:", we will analyze the differences between the blood in the arteries and the interstitial fluid surrounding the muscle cells. ### Step-by-Step Solution: 1. **Understanding the Components**: - **Blood in Arteries**: This blood is oxygenated and rich in nutrients. It is pumped from the heart to various tissues, including active muscle cells. - **Interstitial Fluid**: This fluid surrounds the muscle cells and provides them with nutrients and oxygen. It is derived from blood but has a different composition. ...
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