Q. No.Which of the following is applicable to a change in the affinity of hemoglobin for oxygen?
1. Decreased in rapidly metabolizing tissues
2. Increased at higher than normal body temperatures
3. Increased at higher than normal blood 2,3-DPG levels
4. Decreased at more basic than normal blood pH
1. Decreased in rapidly metabolizing tissues
2. Increased at higher than normal body temperatures
3. Increased at higher than normal blood 2,3-DPG levels
4. Decreased at more basic than normal blood pH
What is the number of lobes in the right and the left lungs respectively?
| 1. two, one | 2. two, three |
| 3. three, two | 4. four, three |
During expiration, the diaphragm and external intercostal muscles are:
1. contracted
2. relaxed
3. flexed
4. both relaxed (diaphragm) and flexed (intercostal muscles)
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The respiratory center in humans can be primarily stimulated by:
1. carbon dioxide and hydrogen ions
2. oxygen gas levels in the blood
3. oxygen gas levels in the hemoglobin
4. conscious feeling for the need for more oxygen
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The peripheral chemoreceptors in carotid and aortic bodies respond to:
1. hydrogen ion concentration.
2. levels of carbon dioxide in the blood.
3. levels of oxygen in the blood.
4. all of the above
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What will happern to the rate and depth of breathing when blood carbon dioxide rises?
| 1. decreases | 2. increases |
| 3. stays the same | 4. stops |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Why would hemoglobin deliver oxygen to the tissues?
1. oxygen concentration of tissue fluid is lower
2. carbon dioxide concentration of tissue fluid is lower
3. carbon dioxide concentration of tissue fluid is higher
4. the oxygen concentration of blood is lower
Hemoglobin carrying carbon dioxide is called as:
| 1. Deoxyhemoglobin | 2. Carbaminohemoglobin |
| 3. Carboxyhemoglobin | 4. Oxyhemoglobin |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.