- 1(current)
Q. No.Both carbon dioxide and oxygen move across the respiratory membrane due to:
| 1. gravity | 2. blood pressure |
| 3. diffusion | 4. active transport |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
With respect to the atmospheric air, the deoxygenated blood flowing into lung capillaries has a higher concentration of:
| 1. oxygen | 2. both carbon dioxide and oxygen |
| 3. carbon monoxide | 4. carbon dioxide |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Gas exchange in the human lungs takes place across the respiratory membrane which is made up of:
1. alveolar macrophages and the alveolar cell membrane
2. alveolar cell membrane and its basement membrane
3. alveolar cell membrane and capillary membrane
4. alveolar cell membrane, capillary membrane, and fused basement membranes
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
When compared with carbon dioxide, the partial pressure of oxygen in the air and its solubility in water is respectively:
| 1. lower, lower | 2. lower, higher |
| 3. greater, lower | 4. greater, higher |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
What is the partial pressure of oxygen and carbon dioxide respectively in the venous blood leaving the tissues [in mm of Hg]?
| 1. 104, 40 | 2. 95, 40 |
| 3. 40, 45 | 4. 20, 46 |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The partial pressure of oxygen in oxygenated blood is about:
| 1. 104 mmHg | 2. 100 mmHg |
| 3. 95 mmHg | 4. 40 mmHg |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
During the passage of blood through a tissue with normal metabolism, the percentage of hemoglobin that unloads oxygen is approximately:
| 1. 10% | 2. 25% |
| 3. 50% | 4. 75% |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The conversion of carbon dioxide into carbonic acid in the red blood cells is catalyzed by the enzyme:
| 1. hemoglobin | 2. carbonic anhydrase |
| 3. carbonic oxidoreductase | 4. carbonic transferase |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.