BIOD151 Essential Human A & P ( Module 2 ) Final Test Review Qns & Ans 2025

BIOD151

Essential Human Anatomy & Physiology

Module 2

Final Test Review (Qns & Ans)

2025




1. What is the primary function of the respiratory system?
- A. To transport nutrients
- B. To exchange gases between the body and the environment
- C. To regulate body temperature
- D. To produce hormones
- Correct ANS: B

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,2. Which structure is responsible for the production of sound in
the respiratory system?
- A. Trachea
- B. Larynx
- C. Bronchi
- D. Alveoli
- Correct ANS: B


3. What is the main muscle involved in the process of
inhalation?
- A. Diaphragm
- B. Intercostal muscles
- C. Abdominal muscles
- D. Pectoral muscles
- Correct ANS: A


4. Which part of the respiratory system is the site of gas
exchange?
- A. Trachea
- B. Bronchi

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, - C. Alveoli
- D. Nasal cavity
- Correct ANS: C


5. What is the function of the epiglottis?
- A. To filter air entering the nasal cavity
- B. To prevent food from entering the trachea
- C. To produce mucus
- D. To humidify inhaled air
- Correct ANS: B


6. Which of the following structures is part of the upper
respiratory tract?
- A. Lungs
- B. Bronchi
- C. Nasal cavity
- D. Alveoli
- Correct ANS: C


7. What is the primary function of the alveoli?

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, - A. To warm and humidify air
- B. To filter out dust and pathogens
- C. To facilitate gas exchange
- D. To produce mucus
- Correct ANS: C


8. Which gas is primarily transported by hemoglobin in the
blood?
- A. Nitrogen
- B. Oxygen
- C. Carbon dioxide
- D. Helium
- Correct ANS: B


9. What is the role of surfactant in the respiratory system?
- A. To increase the surface tension of alveolar fluid
- B. To decrease the surface tension of alveolar fluid
- C. To transport oxygen
- D. To filter air
- Correct ANS: B

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