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Q. No.Which of the following is the function of the conducting part of the respiratory system?
1.
clears the foreign particle
2.
humidifies air
3.
brings air to body temperature
4.
All of these
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
97%
Level 1: 80%+
Hints
During expiration which of the following events takes place
| 1. | Diaphragm and external intercostal muscles contracts |
| 2. | Diaphragm and external intercostal muscles relax |
| 3. | Inter Pleural pressure is less than atmospheric pressure |
| 4. | Both A and C |
Subtopic: Respiratory System: Pulmonary Ventilation |
81%
Level 1: 80%+
Hints
Which of the following is true for inspiration
| 1. | thoracic chamber volume increases |
| 2. | Diaphragm contracts |
| 3. | pulmonary volume increases |
| 4. | All of these |
Subtopic: Respiratory System: Pulmonary Ventilation |
97%
Level 1: 80%+
Hints
Pressure gradient between the lungs and atmosphere is maintained by
| 1. | diaphragm |
| 2. | external intercostal muscles |
| 3. | internal intercostal muscles |
| 4. | All of these |
Subtopic: Respiratory System: Pulmonary Ventilation |
94%
Level 1: 80%+
Hints
Which of the following events happen when air enters lungs
| 1. | Ribs and sternum raised |
| 2. | volume of thorax increased |
| 3. | Diaphragm contracted |
| 4. | All of the above |
Subtopic: Respiratory System: Pulmonary Ventilation |
98%
Level 1: 80%+
Hints
Which of the following events happen when air is expelled from the lungs
| 1. | Ribs and sternum return to the original position |
| 2. | volume of thorax decreases |
| 3. | Diaphragm relaxes and arches upwards |
| 4. | All of the above |
Subtopic: Respiratory System: Pulmonary Ventilation |
97%
Level 1: 80%+
Hints
The volume of air expired forcefully after normal inspiration
| 1. | TV+ IRV | 2. | TV+ERV |
| 3. | TV | 4. | None of these |
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
84%
Level 1: 80%+
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Diffusion membrane consists of
| 1. | Squamous epithelium of alveoli |
| 2. | endothelium of alveolar capillaries |
| 3. | Basement substance between them |
| 4. | All of the above |
Subtopic: Respiratory System: Exchange of Gases |
97%
Level 1: 80%+
Hints
What percentage of oxygen molecule is transported in a dissolved state through plasma
| 1. | 3 | 2. | 20-25 |
| 3. | 70 | 4. | 97 |
Subtopic: Respiratory System: Transport of Gases Part 1 |
81%
Level 1: 80%+
Hints
Which of the following is true for transport of gases
| 1. | Maximum amount of O2 is transported by RBCs |
| 2. | Maximum amount of CO2 is transported by Plasma as Bicarbonates |
| 3. | Plasma transports both CO2 and O2 |
| 4. | All of the above |
Subtopic: Respiratory System: Transport of Gases |
93%
Level 1: 80%+
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