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Practice each question, then open the answer or worked solution.
CO2 dissociates from carbaminohaemoglobin when
a. pCO2 is high & pO2 is low
b. pO2 is high and pCO2 is low
c. pCO2 and pO2 are equal
d. None of the above
Option (b) is the answer
In breathing movements, air volume can be estimated by
a. Stethoscope
b. Hygrometer
c. Sphigmomanometer
d. Spirometer
Option (d) is the answer.
From the following relationships between respiratory volume and capacities and mark the correct answer
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
Option (b) is the answer.
The oxygen – haemoglobin dissociation curve will show a right shift in case of
a. High pCO2
b. High pO2
c. Low pCO2
d. Less H+ concentration
Option (a) is the answer
Match the following and mark the correct options
| Animal Respiratory Organ
A. Earthworm B. Insects C. Fishes D. Birds/Reptiles |
Animal Respiratory Organ
i. Moist cuticle ii. Gills iii. Lungs iv. Trachea |
Options:
a. A-ii, B-i, C-iv, D-iii
b. A-i, B-iv, C-ii, D-iii
c. A-i, B-iii, C-ii, D-iv
d. A-i, B-ii, C-i.v, D-iii
Option (b) is the answer.