11
MCQ (Single Correct Answer)
$\mathrm{CO}_2$ dissociates from carbamino haemoglobin when
A
$p \mathrm{CO}_2$ is high and $p \mathrm{O}_2$ is low
B
$p \mathrm{O}_2$ is high and $p \mathrm{CO}_2$ is low
C
$p \mathrm{CO}_2$ and $p \mathrm{O}_2$ are equal
D
None of the above
12
MCQ (Single Correct Answer)
In breathing movements, air volume can be estimated by
A
stethoscope
B
hygrometer
C
sphygmomanometer
D
spirometer
13
MCQ (Single Correct Answer)
From the following relationships between respiratory volume and capacities, mark the correct option.
(i) Inspiratory Capacity (IC) = Tidal Volume + Residual Volume
(ii) Vital Capacity (VC) = Tidal Volume (TV) + Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV).
(iii) Residual Volume (RV) = Vital Capacity (VC) - Inspiratory Reserve Volume (IRV)
(iv) Tidal Volume (TV) = Inspiratory Capacity (IC) - Inspiratory Reserve Volume (IRV)
A
(i) Incorrect, (ii) Incorrect, (iii) Incorrect, (iv) Correct
B
(i) Incorrect, (ii) Correct, (iii) Incorrect, (iv) Correct
C
(i) Correct, (ii) Correct, (iii) Incorrect, (iv) Correct
D
(i) Correct, (ii) Incorrect, (iii) Correct, (iv) Incorrect
14
MCQ (Single Correct Answer)
The oxygen-haemoglobin dissociation curve will show a right shift in case of
A
high $p \mathrm{CO}_2$
B
high $\mathrm{pO}_2$
C
low $\mathrm{pCO}_2$
D
less $\mathrm{H}^{+}$concentration
15
MCQ (Single Correct Answer)
Match the following columns.
| Column I | Column II | ||
|---|---|---|---|
| A. | Earthworm | 1. | Moist cuticle |
| B. | Aquatic arthropods | 2. | Gills |
| C. | Fishes | 3. | Lungs |
| D. | Birds/Reptiles | 4. | Trachea |
A
A-2, B-1, C-4, D-3
B
A-1, B-4, C-2, D-3
C
A-1, B-3, C-2, D-4
D
A-1, B-2, C-4, D-3