At tissue sites, partial pressure of CO_2­ is high due to _______ process.

1. Anabolic

2. catabolic

3. Both A and B

4. Oxidative

Aortic arch and carotid artery receptors cannot recognise changes in

1. CO_2­ Concentration

2. O_2­ Concentration

3. H⁺ ions Concentration

4. All of these

Pneumotaxic Centre is present in the

1. forebrain

2. midbrain

3. Hindbrain

4. Diencephalon

The maximum amount of air that a person can breathe out after a forced inspiration, under normal physiological conditions, would be about:

The formation of Carbonic acid from Carbon dioxide and water has catalyzed the enzyme

1. Carbonic anhydrase

2. Carbonic anhydride

3. Carbonic hydrase

4. Both A and C

In alveoli,

1. pCO₂ is high and pO₂is low

2. pCO₂ is low and pO₂ is high

3. pCO₂ is low and pO₂ low

4. None of the above

pCO₂ is high and pO₂ is low can be found in

1. alveoli

2. tissues

3. blood

4. heart

More binding of CO₂ occurs when pCO₂ is _____ and pO₂ is ____

1. high, high

2. low, high

3. high, low

4. low, low

The binding of Hb with Carbon dioxide forms

1. Methamoglobin

2. Carbamino-haemoglobin

3. Oxyhaemoglobin

4. none of these

The red coloured, Fe Containing pigment present in the Erythrocytes is

1. Haemoglobin

2. Myoglobin

3. Globin

4. Albumin