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Biology 12 Chapter 14 Respiration - 33
1.
Expansion & contraction of lungs is due to…………?
a) Diaphragm
b) Abdominal muscles
c) Both b and c
d) Pleural membrane
2.
What does diaphragm literally mean?
a) Partition
b) Vacuum
c) Sheet
d) Space
3.
What is the residual volume?
a) 1200 ml
b) 120 ml
c) 1000 ml
d) 250 ml
4.
We can increase the inspiration by as much as ........of air by forced inspiration?
a) 250 ml
b) 1000 ml
c) 120 ml
d) 3000 ml
5.
What is expiratory reserve volume?
a) 1000 ml
b) 120 ml
c) 1100 ml
d) 250 ml
6.
What is the approximate fractional residue capacity?
a) 250 ml
b) 120 ml
c) 2300 ml
d) 1000 ml
7.
What is the approximate inspiratory capacity?
a) 2300 ml
b) 1000 ml
c) 250 ml
d) 120 ml
8.
What is the total lung capacity?
a) 250 ml
b) 1000 ml
c) 5800 ml
d) 120 ml
9.
Which of the following is the sum of two or more pulmonary volumes?
a) Vital capacity
b) Pulmonary capacities
c) Inspiratory capacities
d) Residue capacity
10.
How much oxygen is carried by RBCs as oxyhaemoglobin?
a) 25%
b) 97%
c) 3%
d) 50%
11.
How much oxygen is carried by RBCs as plasma?
a) 50%
b) 25%
c) 3%
d) 97%
12.
How much O2 is present in each 100 ml of arterial blood?
a) 19 ml
b) 19.4 ml
c) 14 ml
d) 41.4 ml
13.
How much O2 is present in each 100 ml of venus blood?
a) 14 ml
b) 14.4 ml
c) 19 ml
d) 41.4 ml
14.
How much O2 is released by 100 ml of blood?
a) 55ml
b) 14.4 ml
c) 5 ml
d) 19.4 ml
15.
How much is the %age of lung cancer caused by cigarette smoking?
a) 55%
b) 80%
c) 85%
d) 87%
16.
What is the vital capacity?
a) 120 ml
b) 1000 ml
c) 250 ml
d) 4600 ml
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