Saturday, July 18, 2015

RESPIRATORY SYSTEM ASSIGNMENT

RESPIRATORY SYSTEM
1.         Cori cycle is significant for
            1) removal of NH2 group from amino acid                             2) conversion of ammonia into urea
            3) detoxification of toxic substances that enter into gut
            4) conversion of lactic acid into glycogen
2.         Read the following and choose the correct combinations
            I. Vein with 95 mmHg of pO2 comes out from lungs
            II. Artery with 40 mmHg of pO2 emerges out from right atrium
            III. Veins with 40 mmHg of pO2 emerge out from tissues/organs
            IV. Main artery with 95 mmHg of pO2 emerges out from left ventricle
            1) All are correct    2) I, III and IV     3) I, II and III        4) I and II only
3.      Inspiratory capacity means
          1) Residual volume + Inspiratory reserve volume    2) Tidal volume + Inspiratory reserve volume
          3) Tidal volume + Residual volume          
          4) Tidal volume + Residual volume + Inspiratory reserve volume
4.      Read the following and arrange them in an order
          A. Primary bronchiole                                   B. Secondary bronchiole    C. Terminal bronchiole      
          D. Tertiary bronchiole                                       E. Respiratory bronchiole
          1) A-B-C-D-E           2) A-B-D-C-E              3) A-C-D-B-E           4) A-B-D-E-C
5.         Match the following and choose the correct answer
             List-I
              List-II
A. Pneumoconiosis
i. Comes under COPDs
B. Black lung disease
ii. Inhalation of coal dust
C. Emphysema
iii. A type of siderosis
D. Uremia
iv. Excessive urea in blood

v. Less amount of urea in blood
            1) A-iv, B-i, C-v and D-ii                            2) A-iii, B-ii, C-i and D-v
            3) A-iii, B-ii, C-i and D-iv                          4) A-i, B-iii, C-iv and D-ii
6.    Emphysema is characterized by
       1. Larger but fewer alveoli                               2. Less fibrous and more elastic alveoli
       3. Increased surface area for gaseous exchange   4. Swelling of mucous lining of bronchi
7.    Gap between vocal cords is
       1. Mediastinum             2. Rima glottidis         3. Adam’s apple         4. Foramen ovale
8.    Inspiration occurs when there is
       1. Decrease in pulmonary volume                   2. Contraction of internal intercostal muscles
3. Decrease in intra-pulmonary pressure      4. Detection of increase in pH by medulla
9. The difference in the partial pressure of oxygen of alveolar air and pulmonary capillaries that favours the diffusion of oxygen from the alveolar air into the blood in the pulmonary capillaries is            
            1) 5 mm Hg                2) 40 mm Hg             3) 64 mm Hg             4) 45 mm Hg
10. For the formation of bright red in colour component (Oxyhaemoglobin) during oxygenation, which factors are responsible?      
           1) Low P , low PC , lesser concentration and lower temperature
           2) Low P , higher PC , lesser concentration and lower temperature
           3) High P , low PC , lesser concentration and lower temperature
            4) High P , low PC , higher concentration and higher temperature
11. Assertion (A): Pulmonary volume can not be directly altered.
      Reason (R):   The volume of thoracic cavity will be reflected in the lung cavity as the outer        pleural membrane is in close contact with thoracic lining and the inner pleural 
           membrane is in contact with lung surface. 
           1) Both A and R are true and R is the correct explanation of A                                    
           2) Both A and R are true and R is not the correct explanation of A                                                     
            3) A is true but R is false                            4) A is false but R is true
12. The chronic disorder in which lungs have larger but fewer alveoli due to damage to the alveolar partition tissue is called 
            1) Asthama                2) Bronchitis             3) Pneumonia            4) Emphysema
13. Identify incorrect statement                                                                                                                          
           1) All vertebro-sternal ribs are true ribs      2) All floating ribs are vertebro-sternal ribs
           3) All thoracic vertebrae involve in the formation of rib cage
            4) All vertebro-chondral ribs are false ribs
14. Increase of carbon dioxide in the blood and decrease in the pH results in the reduction of affinity of hemoglobin for     oxygen is                                                                                                      
            1) Bohr Effect           2) Halden Effect       3) Hamburger`s phenomenon4) Chloride shift
15. Functional Residual capacity (FRC) in an healthy human is                                                                
          1) More than residual volume                       2) Less than residual volume
            3) More than vital capacity                                    4) Equal to vital capacity 
16.          Increase of intra-pulmonary pressure above that of atmospheric pressure is due to the
1)Contraction of external intercostal muscles
2)Relaxation of external intercostal muscles
3)Contraction of radial muscles
4)Relaxation of lateral abdominal muscles
17.          Study the following sets and choose the correct answer
Respiratory                    Process                                                                       Volume of air
Volume/ capacity         
A)   IRV                                  Volume  of air that can                                                6000-8000 ml
                                          be inhaled during normal
                                          breathing
B)    RV                                    Volume of air in the lungs after                            1100-1200 ml
                                          normal exhalation
C)   IC                                     Volume of air that can be inhaled after              2000-2500 ml
                                          normal exhalation
D)   FRC                                  Volume of air that remains in the lungs              2100-2300 ml
                                          after forcible expiration
1)A & B                           2)B,C &D                         3)B & D                             4)None
18.          Non COPD in the following is
1)Emphysema                 2)Asthma                         3)Chronic bronchitis       4)Pneumonia
19.          Match the following and choose the correct answer
A)Respiratory rhythm centre                              I)Elimination of CO2 and H+
B)Chemo-sensitive area                                        II)Response to low oxygen level
C)Pneumotaxic centre                                           III) Control of breathing
D)Receptors in aortic arch and carotid arteryIV) Feedback to respiratory rhythm centre
                                                                                    V)Alternation of respiratory rate
            A         B         C         D                                 A         B         C         D
1)        II          IV        V         I                       2)        III        II          V         IV
3)        III        I           V         IV                    4)        II          V         I           IV
20.    Incorrect statement related to liver
         1) It is both haemopioetic and erythroclastic
         2) It produces both clotting and anti-clotting susbstances
         3) It is centre of both glycogenesis and glycogenolysis
         4) It secretes both glycolytic and lipolytic enzymes
21.    Change of purplish bluish red haemoglobin into bright red haemoglobin is due to
         1) Oxidation                                                        2) Oxygenation
         3) Deoxygenetion                                              4) Oxygen – haemoglobin dissociation
22.    Identify the correct combinations
           
pO2
% saturation of haemoglobin
O2  unloaded

I
 20 mm Hg
35%
62%
II
 100 mmHg
87%
0%
III
 40 mmHg
75%
22%
        
         1) All                                2) I & II                      3) II & III                                4) I & III
23.    Identify the correct statement related to the enzyme, carbonic anydrase
         1) Present only in RBC and absent in the plasma
                                                   2) Catalyses both formation and dissociation of carbonic acid
         3) Catalyses formation of carbamino-haemoglobin
                                                   4) Catalyses only the formation of carbonic acid
24.    Which of the following events occur at the tissues
         A. Hamburger’s phenomenon                        B. Oxygenation
         C. Dissociation  of oxyhaemoglobin             D. Dissociation of carbaminohaemoglobin
                                                   1) Only A & B           2) A, B &c C                    3) Only A & C     4) All
25. Disorder in which lungs have larger but fewer alveoli and more fibrous and less elastic state is
          1) pneumonia             2) bronchitis               3) emphysema            4) asthma
26.    Glucose, aminoacids and sodium ions present in glomerular filtrate are reabsorbed in
          1) Proximal convoluted tubule                      2) Distal convoluted tubule          
          3) Ascending limb of loop of Henle             4) Both proximal and distal convoluted tubules


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