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In the resting person, saturation of haemoglobin as blood leaves the tissue capillaries is approximately
- a)75%
- b)40%
- c)3%
- d)46%
Correct answer is option 'A'. Can you explain this answer?
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In the resting person, saturation of haemoglobin as blood leaves the t...
The saturation of hemoglobin refers to the percentage of hemoglobin molecules in the blood that are bound to oxygen. In a resting person, the saturation of hemoglobin as blood leaves the tissue capillaries is approximately 75%.
**Explanation:**
1. Oxygen Transport: Hemoglobin is a protein found in red blood cells that binds to oxygen molecules. Its primary function is to transport oxygen from the lungs to the tissues throughout the body.
2. Oxygen Dissociation Curve: The relationship between the partial pressure of oxygen (PO2) and the saturation of hemoglobin is depicted by the oxygen dissociation curve. This curve illustrates the affinity of hemoglobin for oxygen and how it changes with varying oxygen levels.
3. Tissue Capillaries: As blood leaves the tissue capillaries, it has already delivered oxygen to the tissues. Therefore, the oxygen levels in this blood are relatively low.
4. Oxygen Saturation: The oxygen saturation of hemoglobin in the blood leaving the tissue capillaries is determined by the amount of oxygen that has been delivered to the tissues. In a resting person, the tissues have a relatively low oxygen demand, and thus a significant amount of oxygen remains bound to hemoglobin.
5. Resting Oxygen Saturation: The resting oxygen saturation of hemoglobin is approximately 75%. This means that, on average, 75% of the hemoglobin molecules in the blood leaving the tissue capillaries are bound to oxygen.
6. Other Factors: It is important to note that the resting oxygen saturation can vary depending on factors such as altitude, exercise, and certain medical conditions. However, in a typical resting person, the saturation is around 75%.
In conclusion, the saturation of hemoglobin as blood leaves the tissue capillaries in a resting person is approximately 75%. This indicates that a significant amount of oxygen remains bound to hemoglobin, ready to be transported to other tissues in the body.
**Explanation:**
1. Oxygen Transport: Hemoglobin is a protein found in red blood cells that binds to oxygen molecules. Its primary function is to transport oxygen from the lungs to the tissues throughout the body.
2. Oxygen Dissociation Curve: The relationship between the partial pressure of oxygen (PO2) and the saturation of hemoglobin is depicted by the oxygen dissociation curve. This curve illustrates the affinity of hemoglobin for oxygen and how it changes with varying oxygen levels.
3. Tissue Capillaries: As blood leaves the tissue capillaries, it has already delivered oxygen to the tissues. Therefore, the oxygen levels in this blood are relatively low.
4. Oxygen Saturation: The oxygen saturation of hemoglobin in the blood leaving the tissue capillaries is determined by the amount of oxygen that has been delivered to the tissues. In a resting person, the tissues have a relatively low oxygen demand, and thus a significant amount of oxygen remains bound to hemoglobin.
5. Resting Oxygen Saturation: The resting oxygen saturation of hemoglobin is approximately 75%. This means that, on average, 75% of the hemoglobin molecules in the blood leaving the tissue capillaries are bound to oxygen.
6. Other Factors: It is important to note that the resting oxygen saturation can vary depending on factors such as altitude, exercise, and certain medical conditions. However, in a typical resting person, the saturation is around 75%.
In conclusion, the saturation of hemoglobin as blood leaves the tissue capillaries in a resting person is approximately 75%. This indicates that a significant amount of oxygen remains bound to hemoglobin, ready to be transported to other tissues in the body.
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In the resting person, saturation of haemoglobin as blood leaves the t...
In a resting person, oxygen saturation of haemoglobin as blood leaves in the tissue capillaries is 75%. So, the correct option is '75%'.
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In the resting person, saturation of haemoglobin as blood leaves the tissue capillaries is approximatelya)75%b)40%c)3%d)46%Correct answer is option 'A'. Can you explain this answer?
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