Quiz on Respiratory System - Forensics Digest

1. Which structure in human respiratory system is involved in conditioning of air?

Nasal chamber

Internal nares

Larynx

Trachea

2. Solubility of CO2 is _______ times higher than that of O2

40-45

20-25

100-150

200-300

3. Which membrane covers the lungs and provide protection?

Pericardium

Renal capsule

Pleura

Epineurium

4. Which is the last step involved in respiration?

Diffusion of gases

Breathing

Utilization of O2 by the body cells and resultant release of CO2.

Transport of gases.

5. Which instrument helps in clinical assessment of pulmonary function?

Sphygmomanometer

Stethoscope

Spirometer

Electrocardiogram

6. Ventrally and laterally, the thoracic chamber is formed by

Diaphragm and sternum respectively

Ribs and sternum respectively

Sternum and ribs respectively

Vertebral column and diaphragm respectively

7. Oxygen binds with haemoglobin of RBCs to form.

Oxyhaemoglobin

Carboxyhaemoglobin

Carbaminohaemoglobin

Aminohaemoglobin

8. What happens to the volume of pulmonary cavity when there is an increase in the volume of thoracic chamber?

It decreases

It increases

It remains same

First decrease then increase

9. How much CO2 is delivered to the alveoli by every 100ml of deoxygenated blood?

5 ml

6 ml

4 ml

3 ml

10. Which of the following is an occupational respiratory disease?

Diptheria

Pneumonia

Asbestosis

Tuberculosis

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