Under normal physiological conditions, the maximum volume of air a person can breathe out after a forced inspiration in a healthy human being is about:

1.	2300 ml	2.	3500 ml
3.	4600 ml	4.	5800 ml

The type of cartilage that makes epiglottis is:
1. Elastic
2. Hyaline
3. Calcified
4. Fibrous

Where do you expect to find the following events takings place?

1. RBC in venous capillary at tissues
2. RBC in arterial capillary at tissues
3. RBC in venous capillary at lungs
4. RBC in arterial capillary at lungs

Phonation is the function of:

Branchial respiration is seen in all the following except:

Which of the following would normally be highest in normal resting physiological conditions?
1. Total lung capacity
2. Minute ventilation
3. Vital capacity
4. Functional residual capacity

The volume of thoracic chamber in the antero-posterior axis can be increased by:
1. Contraction of diaphragm
2. Relaxation of diaphragm
3. Contraction of external intercostals
4. Contraction of internal intercostals

The partial pressure of oxygen in oxygenated blood is about:

All the following lead to a right shift of oxy-hemoglobin dissociation curve except:
1. Increase in pH
2. Increase in temperature
3. Increase in partial pressure of carbon dioxide
4. Presence of 2,3-DPG

A person suffers punctures in his chest cavity in an accident, without any damage to the lungs. It’s effect could be: 
1. A decreased respiratory rate
2. Absence of breathing on the affected side
3. Hyper inflation of the lung on affected side
4. An increase in the partial pressure of oxygen in deoxygenated blood