Inspiratory Capacity

Q.

What is meant by the terms inspiration and expiration?

Q. The oxygen haemoglobin dissociation curve shifts either to right or left according to various factors. Shift to right indicates dissociation of oxygen from haemoglobin. Which of the following factors will shift the curve to the right?
(i) Decrease in partial pressure of oxygen.
(ii) Increase in partial pressure of $C{O}_2$
(iii) Decrease in hydrogen ion concentration
(iv) Increase in $pH$
(v) Increase in body temperature

1. (i), (ii) and (v)
2. (i) and (ii)
3. (ii) only
4. (iii) and (iv)

Q. Which of the following structures is NOT involved in the breathing movement in humans?

1. Intercostal muscles
2. Ribs
3. Diaphragm
4. Larynx

Q.

What is the functional residual capacity if the expiratory reserve volume is 1100 mL, the residual volume is 1200 mL, and the tidal volume is 500 mL?

1. 1200 mL

2. 1600 mL

3. 2300 mL

4. 3200 mL

Q.

Binding of oxygen with haemoglobin tends to displace carbon dioxide from the blood. This phenomenon is called

1. Hamburger shift

2. Haldane effect

3. None of the above

4. Chloride shift

Q. Inspiratory capacity of human is equal to

1. (TV + IRV)
2. TV + ERV + IRV
3. ERV + IRV
4. TV + ERV

Q. Can we consciously breathe in and out by moving Diaphragm alone without moving ribs all??Says previous year paper...

Q. Inspiratory capacity is the sum of __________________ and ____________________

1. residual volume and expiratory reserve volume
2. residual volume and inspiratory reserve volume
3. tidal volume and expiratory reserve volume
4. tidal volume and inspiratory reserve volume

Q.

When the inspiratory muscles contract:

1. The diameter of the thoracic cavity increases

2. The length of the thoracic cavity increases

3. The volume of the thoracic cavity is decreased

4. The diameter and length of the thoracic cavity both increase

Q.

Enzyme carbonic anhydrase, in ______ speeds up the reaction of transport of carbon dioxide

1. Platelets

2. Leucocyte

3. Lymphocyte

4. RBCs

Q. Most of the carbon dioxide in blood is transported as

1. carbamino-haemoglobin
2. carbamino-protein
3. bicarbonate
4. dissolved carbon-dioxide

Q. Match the column I with column II

	Column I		Column II
A.	IC	I.	EC + IRV
B.	EC	II.	RV + VC
C.	FRC	III.	VC - ERV
D.	VC	IV.	ERV + RV
E.	TLC	V.	TV + ERV

1. A-III, B-V, C-IV, D-I, E-II
2. A-V, B-II, C-III, D-I, E-IV
3. A-IV, B-III, C-I, D-V, E-II
4. A-III, B-V, C-II, D-IV, E-I

Q.

Match the items listed under Column – I with those given under Column – II; Choose the appropriate option from the given choices.

Column - I Column - II

A. Residual Volume (RV) P. 4000 ml - 4600 ml

B. Inspiratory Reserve Volume (IRV) Q. 1100 ml - 1200 ml

C. Vital Capacity (VC) R. 1000 ml - 1100 ml

D. Expiratory Reserve Volume (ERV) S. 3000ml - 3500 ml

E. Inspiratory Capacity (IC) T. 2500 ml - 3000 ml

1. A – T; B – Q; C – S; D – R; E – P.

2. A – Q; B – T; C – P; D – R; E – S.

3. A – Q; B – R; C – S; D – T; E – P.

4. A – R; B – T; C – P; D – Q; E – S.

Q. Odd one w.r.t. events happening during inspiration is:

1. Contraction of external inter-costal muscles
2. Contraction of diaphragm
3. Decrease in intra-pulmonary pressure
4. Decrease in volume of thoracic chamber

Q. Carbon monoxide, emitted by automobiles, prevents the transport of oxygen in the body due to

1. Combining with oxygen to form carbon dioxide
2. Destruction of haemoglobin
3. Preventing reaction between oxygen and haemoglobin
4. Forming stable compound with haemoglobin

Q.

Bulk of carbon dioxide $\left(C{O}_2\right)$ released from body tissues into the blood is present as

1. 70% carbaminohemoglobin and 30% as bicarbonate

2. Carbaminohemoglobin in RBCs

3. Bicarbonate in blood plasma and RBCs

4. Free (CO₂) in blood plasma

Q. The carbon dioxide is transported via blood to lungs mostly

1. in combination with haemoglobin only
2. dissolved in blood plasma
3. in the form of bicarbonates
4. as carbaminohaemoglobin.

Q. Short / long answer type questions.
Describe the mechanism of inspiration and expiration in man.

Q. The major bulk of carbon dioxide($C{O}_2$) in our body is present in the blood as

1. Bicarbonate in blood plasma and RBCs
2. 70 % Carbamino compounds and 30 % as Bicarbonate
3. Carbamino- haemoglobin in RBCs
4. Gaseous form in blood plasma

Q.

Listed below are respiratory volumes and capacities with their respective values. Which pair is correctly matched?

1. Residual volume - 2500 ml

2. Vital capacity - 3500 ml

3. Inspiratory reserve volume - 1200 ml

4. Inspiratory capacity - 3500 ml

Q. Most of the carbon dioxide in blood is transported as

1. carbamino-haemoglobin
2. carbamino-protein
3. bicarbonate
4. dissolved carbon-dioxide

Q. Fill in the blanks with approriate words.
Diaphragm contracts to help in .......... while the contraction of abdominal muscles helps in ..........

Q. Most of the carbon dioxide in blood is transported as

1. carbamino-haemoglobin
2. carbamino-protein
3. bicarbonate
4. dissolved carbon-dioxide

Q. The volume of anatomically dead space, air in the lungs of human beings is normally

1. 230 mL
2. 210 mL
3. 190 mL
4. 150 mL

Q. The majority of carbon dioxide produced by our body cells is transported to the lungs as

1. attached to haemoglobin
2. dissolved in blood
3. as bicarbonates
4. as carbonates

Q.

Listed below are respiratory volumes and capacities with their respective values. Which pair is correctly matched?

1. Respiratory capacities - Vital capacity Respiratory volumes - 3500 mL

2. Respiratory capacities - Inspiratory reserve volume Respiratory volumes - 1200 mL

3. Respiratory capacities - Inspiratory capacity Respiratory volumes - 3500 mL

4. Respiratory capacities - Residual volume Respiratory volumes - 2500 mL

Q. Which one of the following helps in transportation of $C{O}_2$?

1. Acetylcholinesterase
2. Transferase
3. Transacetylase
4. Carbonic anhydrase

Q. The average diameter of red blood corpuscles of man is

1. 7.2$\mu$m
2. 8.1 $\mu$m
3. 9.2$\mu$m
4. 10.3$\mu$m

Q. Fill in the blanks with approriate words.
The maximum volume of inspirable air is called ..........

Q. Complete the following sentences by selecting the correct option.
(A) Inspiratory capacity (IC) = (i) +IRV
(B) (ii) = TV + IRV+ERV
(C) Functional residual capacity (FRC) = ERV + (iii)

1. (i)Tidal volume (ii) Vital capacity (iii)Residual volume
2. (i)Vital capacity (ii) Tidal volume (iii)Residual volume
3. (i)Expiratory capacity (ii) Residual volume (iii) Inspiratory reserve volume
4. (i)Tidal volume (ii) Total lung capacity (iii) Expiratory capacity