Q126
Allen
ANALYTICAL QUESTIONS
MCQ
Consider the following four statements (a-d) and select the option which includes all the correct ones only :-
(A) All the time of inspiration, contraction in diaphragm and external intercostal muscles take place.
(B) Normal breathing is also called as abdominal breathing.
(C) Expiration during sneezing, coughing, yoga is normal expiration during which IICM and abdominal muscles relax.
(D) Inspiration can occur if the pressure within lungs (intra pulmonary pressure) is more then the atmospheric pressure.
(A) All the time of inspiration, contraction in diaphragm and external intercostal muscles take place.
(B) Normal breathing is also called as abdominal breathing.
(C) Expiration during sneezing, coughing, yoga is normal expiration during which IICM and abdominal muscles relax.
(D) Inspiration can occur if the pressure within lungs (intra pulmonary pressure) is more then the atmospheric pressure.
A.
Statements (a), (b), (c), (d)
B.
Statements (a) only
C.
Statements (a), (b), (c)
D.
Statements (a) and (b)
Q127
Allen
ANALYTICAL QUESTIONS
Match the Columns
Find out the correct match from the following table :-
Match Column-I, Column-II and Column-III:
Match Column-I, Column-II and Column-III:
| Column-I | Column-II | Column-III | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
A.
I and II
B.
I, III and IV
C.
I, II and III
D.
I and IV
Q128
Allen
ANALYTICAL QUESTIONS
MCQ
Find out the correct match from the following:
(I) Larynx – sound box
(II) Trachea – complete cartilaginous rings
(III) Epiglottis – elastic cartilaginous flap
(IV) Alveoli – very thin, irregular walled, vascularised bag like structures
(V) Pleural fluid – reduces friction on the lung surface
(I) Larynx – sound box
(II) Trachea – complete cartilaginous rings
(III) Epiglottis – elastic cartilaginous flap
(IV) Alveoli – very thin, irregular walled, vascularised bag like structures
(V) Pleural fluid – reduces friction on the lung surface
A.
(i), (ii), (iii), (iv), (v)
B.
(i), (iii), (iv), (v)
C.
(i), (iii), (v)
D.
(i) and (v)
Q129
Allen
ANALYTICAL QUESTIONS
MCQ
Which of the following statement is not correct?
A.
Formation of oxyhaemoglobin is a process of oxidation.
B.
Every 100 ml of oxygenated blood can deliver around 5 ml of $O_2$ to tissue under physiological condition.
C.
Dissociation curve is curve between percentage saturation of Hb with oxygen and partial pressure of oxygen.
D.
High concentration of $\mathsf { C O } _ { 2 }$ activates dissociation of oxyhaemoglobin is called Bohr's effect.
Q130
Allen
ANALYTICAL QUESTIONS
MCQ
Given below graph shows an oxygen dissociation curve :-
Partial pressure of oxygen (mm Hg)
Where in the body will haemoglobin be saturated at the percentage shown at points X, Y and Z.
Where in the body will haemoglobin be saturated at the percentage shown at points X, Y and Z.
A.
X-Pulmonary artery, Y-Pulmonary vein, Z-Carotid artery
B.
X-Systemic artery, Y-Pulmonary artery, Z-Pulmonary vein
C.
X-Pulmonary vein, Y-Systemic vein, Z-Systemic vein during exercise
D.
X-Left ventricle, Y-Right ventricle, Z-Systemic artery
Q131
Allen
ANALYTICAL QUESTIONS
MCQ
Which one of the following statements is incorrect ?
A.
The residual air in lungs slightly decreases the efficiency of respiration in mammals
B.
The presence of non–respiratory air sacs, increases the efficiency of respiration in birds
C.
In insects, circulating body fluids serve to distribute oxygen to tissues
D.
The principle of counter current flow facilitates efficient respiration in gills of fishes
Q132
Allen
ANALYTICAL QUESTIONS
MCQ
The majority of carbon dioxide produced by our body cells is transported to the lungs :
A.
Dissolved in the blood
B.
As bicarbonates
C.
As carbonates
D.
Attached to haemoglobin
Q133
Allen
ANALYTICAL QUESTIONS
MCQ
What is vital capacity of our lungs ?
A.
Inspiratory reserve volume plus expiratory reserve volume.
B.
Total lung capacity minus Residual volume.
C.
Inspiratory reserve volume plus Tidal volume.
D.
Total lung capacity minus Expiratory reserve volume.
Q134
Allen
ANALYTICAL QUESTIONS
MCQ
Listed below are four respiratory capacities (a-d) and four jumbled respiratory volumes of a normal human adult :
(A) Residual volume-2500 mL
(B) Vital capacity-3500 mL
(C) Inspiratory reserve volume-1200 mL
(D) Inspiratory capacity-4500 mL
Which one of the following is the correct matching of two capacities and volumes?
(A) Residual volume-2500 mL
(B) Vital capacity-3500 mL
(C) Inspiratory reserve volume-1200 mL
(D) Inspiratory capacity-4500 mL
Which one of the following is the correct matching of two capacities and volumes?
A.
(a) 4500 mL, (b) 3500 mL
B.
(b) 2500 mL, (c) 4500 mL
C.
(c) 1200 mL, (d) 2500 mL
D.
(d) 3500 mL, (a) 1200 mL
Q135
Allen
ANALYTICAL QUESTIONS
MCQ
what is true about RBC in humans
A.
They don not carry $CO_2$ at all.
B.
They carry about 20-25 per cent of ${ \mathsf { C O } } _ { 2 } .$
C.
They transport 99.5 per cent of $0 _ { 2 } .$
D.
They transport about 80 percent oxygen only and the rest 20 per cent of it is transported in dissolved state in blood plasma.
Q136
Allen
ANALYTICAL QUESTIONS
MCQ
Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of-
A.
Epiglottis
B.
Diaphragm
C.
Neck
D.
Tongue
Q137
Allen
ANALYTICAL QUESTIONS
MCQ
The figure given below shows a small part of human lung where exchange of gases takes place. In which one of the options given below, the one part, A, B, C or D is correctly identified along with its function
A.
C → Arterial capillary-passes oxygen to tissues
B.
A → Alveolar cavity-main site of exchange of respiratory gases
C.
D → Capillary wall-exchange of $\mathsf { O } _ { 2 }$ and $CO_2$ takes place here
D.
B → Red blood cell-transport of $\mathsf { C O } _ { 2 }$ mainly
Q138
Allen
ANALYTICAL QUESTIONS
MCQ
A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This $\mathsf { O } _ { 2 }$ :
A.
Acts as a reserve during muscular exercise
B.
Raises the ${ \mathsf { p C O } } _ { 2 }$ of blood to 75 mm of Hg.
C.
Is enough to keep oxyhaemoglobin saturation at 96%
D.
Helps in releasing more $\mathsf { O } _ { 2 }$ to the epithelial tissues
Q139
Allen
ANALYTICAL QUESTIONS
MCQ
Bulk of carbon dioxide ($CO_2$) released from body tissues into the blood is present as :
A.
Carbamino-haemoglobin in RBCs
B.
Bicarbonate in blood plasma and RBCs
C.
Free $\mathsf { C O } _ { 2 }$ in blood plasma
D.
70% carbamino-haemoglobin and 30% (4) 70% carbamino-haemoglobin and 30% as bicarbonate
Q140
Allen
ANALYTICAL QUESTIONS
MCQ
Which one of the following is the correct statement for respiration in humans ?
A.
Workers in grinding and stone-breaking industries may suffer from lung fibrosis
B.
Abut 90% of carbon dioxide ($CO_2$) is carried by haemoglobin as carbamino haemoglobin
C.
Cigarette smoking may lead to inflammation of bronchi
D.
Neural signals from pneumotaxic centre in pons region of brain can increase the duration of inspiration
Q141
Allen
ANALYTICAL QUESTIONS
MCQ
People who have migrated from the planes to an area adjoining Rohtang pass about six months back:
A.
suffer from altitude sickness with symptoms like nausea, fatigue, etc.
B.
have the usual RBC count but their haemoglobin has very high binding affinity to $\mathsf { O } _ { 2 }$
C.
have more RBCs and their haemoglobin has a lower binding affinity to $O_2$
D.
are not physically fit to play games like football.
Q142
Allen
ANALYTICAL QUESTIONS
MCQ
The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and/or characteristic :-
A.
D – Lower end of lungs – diaphragm pulls it down during inspiration
B.
A – trachea - long tube supported by complete cartilaginous rings for conducting inspired air
C.
B – pleural membrane - surround ribs on both sides to provide cushion against rubbing
D.
C – Alveoli - thin walled vascular bag like structures for exchange of gases