Exchange of Gases
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BIOXI17: BREATHING AND EXCHANGE OF GASES

338722 Name of artery which carries deoxygenated blood.

1 Pulmonary artery
2 Pulomnary trunk
3 Systemic artery
4 Vena cava
BIOXI17: BREATHING AND EXCHANGE OF GASES

338723 During the exchanges of gases between lung alveoli and pulmonary capillaries, if the partial pressure of oxygen in alveolar capillaries is \({\rm{95}}\;{\rm{mmHg}}\) and the partial pressure of \(\mathrm{CO}_{2}\) is \({\rm{45}}\;{\rm{mmHg}}\) in deoxygenated blood. based on this identify the correct statement.

1 The partial pressure of nitrogen will remain same in both blood and alveoli.
2 The partial pressure of oxygen will be highest, i.e., \(104 \mathrm{~mm} \mathrm{Hg}\) in alveoli.
3 The partial pressure of \(\mathrm{CO}_{2}\) is less in pulmonary veins as compared to pulmonary arteries.
4 All of these
BIOXI17: BREATHING AND EXCHANGE OF GASES

338724 Statement A :
The solubility of \(\mathrm{CO}_{2}\) is \(20-25\) times higher than that of \(\mathrm{O}_{2}\)
Statement B :
The diffusion membrane is made up of squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement substance

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI17: BREATHING AND EXCHANGE OF GASES

338725 Partial pressures (in \(\mathrm{mmHg}\) ) of \(\mathrm{O}_{2}\) in atomspheric air, alveoli deoxygenated blood, oxygenated blood and tissues are-

1 \(104,159,40,95,40\)
2 \(40,104,40,95,40\)
3 \(159,104,40,95,40\)
4 \(0.3,40,45,40,45\)
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BIOXI17: BREATHING AND EXCHANGE OF GASES

338722 Name of artery which carries deoxygenated blood.

1 Pulmonary artery
2 Pulomnary trunk
3 Systemic artery
4 Vena cava
BIOXI17: BREATHING AND EXCHANGE OF GASES

338723 During the exchanges of gases between lung alveoli and pulmonary capillaries, if the partial pressure of oxygen in alveolar capillaries is \({\rm{95}}\;{\rm{mmHg}}\) and the partial pressure of \(\mathrm{CO}_{2}\) is \({\rm{45}}\;{\rm{mmHg}}\) in deoxygenated blood. based on this identify the correct statement.

1 The partial pressure of nitrogen will remain same in both blood and alveoli.
2 The partial pressure of oxygen will be highest, i.e., \(104 \mathrm{~mm} \mathrm{Hg}\) in alveoli.
3 The partial pressure of \(\mathrm{CO}_{2}\) is less in pulmonary veins as compared to pulmonary arteries.
4 All of these
BIOXI17: BREATHING AND EXCHANGE OF GASES

338724 Statement A :
The solubility of \(\mathrm{CO}_{2}\) is \(20-25\) times higher than that of \(\mathrm{O}_{2}\)
Statement B :
The diffusion membrane is made up of squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement substance

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI17: BREATHING AND EXCHANGE OF GASES

338725 Partial pressures (in \(\mathrm{mmHg}\) ) of \(\mathrm{O}_{2}\) in atomspheric air, alveoli deoxygenated blood, oxygenated blood and tissues are-

1 \(104,159,40,95,40\)
2 \(40,104,40,95,40\)
3 \(159,104,40,95,40\)
4 \(0.3,40,45,40,45\)
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BIOXI17: BREATHING AND EXCHANGE OF GASES

338722 Name of artery which carries deoxygenated blood.

1 Pulmonary artery
2 Pulomnary trunk
3 Systemic artery
4 Vena cava
BIOXI17: BREATHING AND EXCHANGE OF GASES

338723 During the exchanges of gases between lung alveoli and pulmonary capillaries, if the partial pressure of oxygen in alveolar capillaries is \({\rm{95}}\;{\rm{mmHg}}\) and the partial pressure of \(\mathrm{CO}_{2}\) is \({\rm{45}}\;{\rm{mmHg}}\) in deoxygenated blood. based on this identify the correct statement.

1 The partial pressure of nitrogen will remain same in both blood and alveoli.
2 The partial pressure of oxygen will be highest, i.e., \(104 \mathrm{~mm} \mathrm{Hg}\) in alveoli.
3 The partial pressure of \(\mathrm{CO}_{2}\) is less in pulmonary veins as compared to pulmonary arteries.
4 All of these
BIOXI17: BREATHING AND EXCHANGE OF GASES

338724 Statement A :
The solubility of \(\mathrm{CO}_{2}\) is \(20-25\) times higher than that of \(\mathrm{O}_{2}\)
Statement B :
The diffusion membrane is made up of squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement substance

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI17: BREATHING AND EXCHANGE OF GASES

338725 Partial pressures (in \(\mathrm{mmHg}\) ) of \(\mathrm{O}_{2}\) in atomspheric air, alveoli deoxygenated blood, oxygenated blood and tissues are-

1 \(104,159,40,95,40\)
2 \(40,104,40,95,40\)
3 \(159,104,40,95,40\)
4 \(0.3,40,45,40,45\)
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BIOXI17: BREATHING AND EXCHANGE OF GASES

338722 Name of artery which carries deoxygenated blood.

1 Pulmonary artery
2 Pulomnary trunk
3 Systemic artery
4 Vena cava
BIOXI17: BREATHING AND EXCHANGE OF GASES

338723 During the exchanges of gases between lung alveoli and pulmonary capillaries, if the partial pressure of oxygen in alveolar capillaries is \({\rm{95}}\;{\rm{mmHg}}\) and the partial pressure of \(\mathrm{CO}_{2}\) is \({\rm{45}}\;{\rm{mmHg}}\) in deoxygenated blood. based on this identify the correct statement.

1 The partial pressure of nitrogen will remain same in both blood and alveoli.
2 The partial pressure of oxygen will be highest, i.e., \(104 \mathrm{~mm} \mathrm{Hg}\) in alveoli.
3 The partial pressure of \(\mathrm{CO}_{2}\) is less in pulmonary veins as compared to pulmonary arteries.
4 All of these
BIOXI17: BREATHING AND EXCHANGE OF GASES

338724 Statement A :
The solubility of \(\mathrm{CO}_{2}\) is \(20-25\) times higher than that of \(\mathrm{O}_{2}\)
Statement B :
The diffusion membrane is made up of squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement substance

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
BIOXI17: BREATHING AND EXCHANGE OF GASES

338725 Partial pressures (in \(\mathrm{mmHg}\) ) of \(\mathrm{O}_{2}\) in atomspheric air, alveoli deoxygenated blood, oxygenated blood and tissues are-

1 \(104,159,40,95,40\)
2 \(40,104,40,95,40\)
3 \(159,104,40,95,40\)
4 \(0.3,40,45,40,45\)
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