MCQs: Respiratory System. Part 1 of 2.

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MCQs: Respiratory System. Part 1 of 2.

Quiz

  

Time for this test is 45 minutes.

 

1. The physiological process involving movement of oxygen from the outside environment into the cell within tissues and transportation of carbon dioxide in the opposite direction is called ---
   1.   Digestion.
   2.   Respiration.
   3.   Excretion.
   4.   Metabolism.
2. The branch of science that deals with the structure, function, diagnosis and treatment of diseases of lungs is called -----
   1.   Pulmonology.
   2.   Endocrinology.
   3.   Neurology.
   4.   ENT.
3. Which of the following organs is common for Respiratory System and Digestive System?
   1.   Nose (Nasal Cavity).
   2.   Trachea.
   3.   Pharynx.
   4.   Larynx.
   5.   Lungs.
4. The process of moving air in and out of the lungs is called “-------”.
   1.   Breathing.
   2.   Digestion.
   3.   Respiration.
   4.   Pulmonary Ventilation.
5. Inspiration, the phase of breathing when air -----.
   1.   flows into the lungs.
   2.   exit the lungs.
6. Expiration, the phase of breathing when air -----.
   1.   flows into the lungs.
   2.   exit the lungs.
7. The muscles that play major role in breathing are,
   1.   Intercostal muscles and Diaphragm.
   2.   Gluteus maximus muscle and Diaphragm.
   3.   Intercostal muscles and Deltoid.
   4.   Gluteus maximus muscle and Deltoid.
8. Which of the following is wrong in case of “Inspiration”?
   1.   Intercostal muscles contract.
   2.   The ribs are pulled upward.
   3.   Diaphragm contracts and moves downwards.
   4.   It results in decreased “Lung Volume.”
9. Which of the following is wrong in case of “Expiration”?
   1.   Intercostal muscles relax
   2.   The ribs come back to normal.
   3.   Diaphragm relaxes and again forms its dome shape.
   4.   It results in increased “Lung Volume.”
10. The following diagram represents mechanism of ----
    1.   Inspiration.
    2.   Expiration.
11. The following diagram represents mechanism of ----
    1.   Inspiration.
    2.   Expiration.
12. In the alveoli of the lungs, basement membranes of blood capillary and alveoli are fused with each other to form ----.
    1.   Blood Membranes.
    2.   Respiratory Membranes.
    3.   Gaseous Membranes.
    4.   Excretory Membranes.
13. About 98% of oxygen in blood combines with Hemoglobin to form a complex called “-------”.
    1.   Carboxyhemoglobin.
    2.   Oxyhemoglobin.
    3.   Carbaminohaemoglobin.
    4.   Glycated Haemoglobin.
14. The large concentration of CO2 (70%) reacts with water in RBC to form -------.
    1.   Carbonic Acid (H2Co3).
    2.   Carboxyhemoglobin.
    3.   Oxyhemoglobin.
    4.   Carbaminohaemoglobin.
15. Some part of Co2 (20%) entered in RBC reacts with hemoglobin and forms a complex called “------”.
    1.   Carbonic Acid (H2Co3) Complex.
    2.   Carboxyhemoglobin.
    3.   Oxyhemoglobin.
    4.   Carbaminohaemoglobin.
16. The amount of air that moves in and out of lungs during normal breathing is called “------”.
    1.   Tidal Volume.
    2.   Inspiratory Reserve Volume.
    3.   Expiratory Reserve Volume.
    4.   Residual Volume.
17. The maximum amount of air that can be inhaled after normal inhalation is called “-------”.
    1.   Tidal Volume.
    2.   Inspiratory Reserve Volume.
    3.   Expiratory Reserve Volume.
    4.   Residual Volume.
18. The maximum amount of air that can be exhaled after normal exhalation is called “-------”.
    1.   Tidal Volume.
    2.   Inspiratory Reserve Volume.
    3.   Expiratory Reserve Volume.
    4.   Residual Volume.
19. The amount of air remaining in lungs after a forceful expiration is called “-------”.
    1.   Tidal Volume.
    2.   Inspiratory Reserve Volume.
    3.   Expiratory Reserve Volume.
    4.   Residual Volume.
20. Sensory nerve fibers to lungs arise from the ------.
    1.   Optic Nerve.
    2.   Olfactory Nerve.
    3.   Vagus Nerve.
    4.   Glossopharyngeal Nerve.

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