Intercostal muscles are found between the ______.

(a)

vertebral column

(b)

sternum

(c)

ribs

(d)

glottis

CO₂ is transported through blood to lungs as _____.

(a)

carbonic acid

(b)

oxyhaemoglobin

(c)

carbamino haemoglobin

(d)

carboxy haemoglobin

Vital capacity is _____.

(a)

TV + IRV

(b)

TV + ERV

(c)

RV + ERV

(d)

TV + TRV + ERV

Choose the wrong statement
During inspiration:

(a)

Diaphragm contracts

(b)

Sternum is pulled downward

(c)

Volume of thoracic chamber increases

(d)

External intercostal muscles contract

Haemoglobin has a molecular weight of _____________

(a)

70,000

(b)

68,000

(c)

60,000

(d)

65,000

Painful respiration is called ___________

(a)

Dyspnoea

(b)

Narcosis

(c)

Hypoxia

(d)

Decompression sickness.

Use of ___________ is being recommended by pollution Control Board to reduce particulate pollution.

(a)

Diesel

(b)

Petrol

(c)

Gasoline

(d)

CNG

Widening of alveoli is a symptom of ___________

(a)

Asthma

(b)

Silicosis

(c)

Emphysema

(d)

Pneumonia

The regulation of respiration is by pneumotaxic centre present in ___________

(a)

cerebrum

(b)

cerebellum

(c)

pons varoli

(d)

medulla

Minute respiratory volume for a normal healthy man is _______

(a)

12 liters/minute

(b)

150 ml/minute

(c)

5 liters/minute

(d)

6 liters/minute