Question

The Respiratory System Quiz

Answer 1

1. What is the main function of the respiratory system?
a) To transport oxygen to the body's cells
b) To remove carbon dioxide from the body
c) To produce energy for the body
d) To protect the body from infections

2. Which organ in the respiratory system is responsible for air filtration and humidification?
a) Trachea
b) Lungs
c) Bronchi
d) Nasal cavity

3. Which of the following is NOT a part of the upper respiratory tract?
a) Lungs
b) Nasal cavity
c) Pharynx
d) Larynx

4. What is the structure that separates the nasal cavity from the oral cavity?
a) Trachea
b) Diaphragm
c) Epiglottis
d) Hard palate

5. What is the muscular organ located in the lower respiratory tract that helps in the process of respiration?
a) Lungs
b) Bronchi
c) Trachea
d) Diaphragm

6. What is the process by which oxygen is taken in and carbon dioxide is expelled from the body?
a) Digestion
b) Respiration
c) Circulation
d) Excretion

7. Which of the following is NOT a respiratory disorder?
a) Asthma
b) Pneumonia
c) Alzheimer's disease
d) Chronic obstructive pulmonary disease (COPD)

8. Which gas is exchanged in the alveoli of the lungs?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen

9. Which of the following is the correct pathway of air through the respiratory system?
a) Nasal cavity - Pharynx - Larynx - Trachea - Bronchi - Lungs
b) Pharynx - Larynx - Nasal cavity - Trachea - Bronchi - Lungs
c) Larynx - Pharynx - Nasal cavity - Trachea - Lungs - Bronchi
d) Trachea - Larynx - Pharynx - Nasal cavity - Bronchi - Lungs

10. What is the normal breathing rate for adults at rest?
a) 10-12 breaths per minute
b) 20-25 breaths per minute
c) 30-35 breaths per minute
d) 40-45 breaths per minute