Vital capacity (VC) can be stated as
1. TV + IRV
2. TV + FRC
3. IRV + FRC
4. IC + ERV
Why the partial pressure of is high at tissue-site?
1. Due to the saturation of with Hb
2. Release of at the tissue site
3. Due to metabolism
4. Due to the dissociation of
'Chemosensitive Area' for regulation of respiration is present on ?
1. Medulla
2. Pons
3. Cerebrum
4. Cerebellum
The amount of air that enters the lungs during normal, restful breathing is called the______.
1. Vital capacity
2. Tidal volume
3. Total lung capacity
4. Expiratory reserve volume
Every 2000 mL of deoxygenated blood delivers approximately, how much mL CO to alveoli?
1. 4 mL
2. 4.2 mL
3. 8 mL
4. 80 mL
By the contraction in radial muscle of diaphragm it become flattened in shape, so, volume of thoracic cavity increases in :-
1. Anterior-posterior axis
2. Dorsal-ventral axis
3. Anterior-lateral axis
4. Dorsal-lateral axis
Read the following steps and arrange them in correct sequence for the process of inspiration:
A. Increases thoracic volume
B. Air moves into lungs
C. The contraction in diaphragm and EICM
D. Increases pulmonary volume
E. Lungs expand
F. Decreases the pulmonary pressure (IPP)
1. A, B, C, D, E, F
2. C, D, A, E, F, B
3. C, A, E, D, F, B
4. C, E, D, A, F, B
Pneumotaxic centre is located in:
1. Pons
2. Cerebrum
3. Medulla oblongata
4. Thalamus
How many of the following statements are correct?
a. Normal exhalation during quiet breathing in an active process involving intensive muscle contraction.
b. Air flow during breathing is due to pressure gradient between the lungs and atmospheric air.
c. A specialised centre present in the medulla region of the brain called respiratory rhythm centre is primarily responsible for regulation of respiration,
d. Respiratory rate decreases during fever.
1. One
2. Two
3. Three
4. Four
Which of the following statement is incorrect with respect to transport of carbon dioxide in blood?
1. | About 20-25 percent of carbon dioxide is carried by haemoglobin in the form of carbamino haemoglobin |
2. | 70 percent of CO is carried in a dissolved states through plasma |
3. | As the blood picks up carbon dioxide from tissue, HCO accumulates inside RBCs of which some move out into the blood plasma and in exchange chloride ions move from plasma into RBCs |
4. | The greatest percentage of carbon dioxide is transported in blood plasma as bicarbonate ions |