In human beings, oblique fissures are associated with :

1. Right lung

2. Left lung

3. Both lungs

4. None of the above

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 52%
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Hemoglobin that is bonded to carbon monoxide and therefore cannot transport oxygen, is called

1. carboxyhemoglobin

2. methemoglobin

3. reduced hemoglobin

4. carbaminohemoglobin

Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
 62%
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Which of the following does not shift the oxy-haemoglobin dissociation curve to the right?

1. increased pH

2. increased carbon dioxide

3. increased temperature

4. increased 2,3 -DPG

Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
 59%
From NCERT
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Which of the following is entirely made of cartilage?

1. Nasal septum

2. Larynx

3. Glottis

4. Trachea

Subtopic:  Respiratory System: Upper Respiratory Tract |
From NCERT
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Trachea divides into two right and left primary bronchi at the level of:

1. Seventh cervical vertebra

2. Third thoracic vertebra

3. Fifth thoracic vertebra

4. Seventh thoracic vertebra

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 89%
From NCERT
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Contraction of diaphragm:

1. Increases the volume of the thoracic chamber in the antero-posterior axis
2. Increases the volume of the thoracic chamber in the dorso-ventral axis
3. Decreases the volume of the thoracic chamber in the antero-posterior axis
4. Decreases the volume of the thoracic chamber in the dorso-ventral axis
Subtopic:  Respiratory System: Pulmonary Ventilation |
 77%
From NCERT
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Volume of air that will remain in the lungs after a normal expiration is about:

1. 1200 ml

2. 2300 ml

3. 4600 ml

4. 5800 ml

Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
From NCERT
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The partial pressure of oxygen is equal in

1. Atmospheric air and Alveoli

2. Alveoli and Oxygenated blood

3. Alveoli and Deoxygenated blood

4. Deoxygenated blood and Tissues

Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases |
 64%
From NCERT
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The solubility of carbon dioxide is about _____ times higher than that of oxygen across the respiratory membrane.

1. 20-25

2. 25-50

3. 125-150

4. 200-250

Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
 89%
From NCERT
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What amount of carbon dioxide is delivered by every 100 ml of deoxygenated blood to the alveoli?

1. 4 ml

2. 5 ml

3. 15 ml

4. 20 ml

Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
 80%
From NCERT
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