BIOD 151 Module 2 Exam Revision Questions 2025. All Exam Questions and
Correct Answers With 100% Correct Answers | Latest 2025 Update.
How many lobes does the left human lung have? - ANSWER- The left lung has 2 lobes
Air (and not food) pass in which of the following areas: - ANSWER- Nasopharynx
In the respiratory system, gas exchange occurs in the: - ANSWER- E. B &D Respiratory
bronchioles and Pulmonary alveoli
Label the following five items from the diagram: - ANSWER- A - Nasal Cavity
C - Soft Palate
E - Glottis
F - Trachea
H- Tongue
Explain what happens to the epiglottis during swallowing. Why? - ANSWER- The trachea is
closed by the epiglottis and the epiglottis moves inferiorly covering the trachea so that no food or
liquid gets into the lungs.
Explain at least two differences between Type I and Type II alveolar cells. - ANSWER- Type I
alveolar cells are structured and provide support to the alveolar also covers most of the area of the
alveolar surface. while type II cells dish out surfactant and covers less area.
Positive pressure is used to move air into the lungs. - ANSWER- False
During inhalation the diaphragm contracts to pull the lungs open. - ANSWER- True
Correct Answers With 100% Correct Answers | Latest 2025 Update.
How many lobes does the left human lung have? - ANSWER- The left lung has 2 lobes
Air (and not food) pass in which of the following areas: - ANSWER- Nasopharynx
In the respiratory system, gas exchange occurs in the: - ANSWER- E. B &D Respiratory
bronchioles and Pulmonary alveoli
Label the following five items from the diagram: - ANSWER- A - Nasal Cavity
C - Soft Palate
E - Glottis
F - Trachea
H- Tongue
Explain what happens to the epiglottis during swallowing. Why? - ANSWER- The trachea is
closed by the epiglottis and the epiglottis moves inferiorly covering the trachea so that no food or
liquid gets into the lungs.
Explain at least two differences between Type I and Type II alveolar cells. - ANSWER- Type I
alveolar cells are structured and provide support to the alveolar also covers most of the area of the
alveolar surface. while type II cells dish out surfactant and covers less area.
Positive pressure is used to move air into the lungs. - ANSWER- False
During inhalation the diaphragm contracts to pull the lungs open. - ANSWER- True
