BIOD 151 Module 2 Exam. All Exam Questions and Correct Answers With
100% Correct Answers | Latest 2025 Update.
What are the three main functions of the respiratory system - ANSWER- air conduction, air
filtration, exchange of gases (respiration)
What are the three parts of the pharynx? - ANSWER- Nasopharynx, Oropharynx,
laryngopharynx
True or false: the rings that cover the trachea are a complete circle. - ANSWER- False: the
cartilaginous rings of the trachea do not meet on the posterior side
What important steps need to happen during the swallowing process to prevent aspiration? -
ANSWER- 1- The larynx rises and 2- the trachea is closed by the epiglottis. The epiglottis
moves inferiorly, covering the trachea (to prevent food or liquid from entering the lungs).
Why does the soft palate elevate during swallowing? - ANSWER- The upward movement of
the soft palate prevents food or liquid from entering the nasal passages during swallowing.
What is the glottis? - ANSWER- An opening in the larynx where the vocal cords (vocal folds)
are located.
What is aspiration? - ANSWER- Food or liquid that accidentally enters the trachea (then lungs)
True or False? The left lung has three lobes. - ANSWER- False. The right lung has 3 lobes.
Name two functions of the pleura. - ANSWER- Facilitates movement of lungs with body wall.
Enclose the lungs/pleural cavity.
100% Correct Answers | Latest 2025 Update.
What are the three main functions of the respiratory system - ANSWER- air conduction, air
filtration, exchange of gases (respiration)
What are the three parts of the pharynx? - ANSWER- Nasopharynx, Oropharynx,
laryngopharynx
True or false: the rings that cover the trachea are a complete circle. - ANSWER- False: the
cartilaginous rings of the trachea do not meet on the posterior side
What important steps need to happen during the swallowing process to prevent aspiration? -
ANSWER- 1- The larynx rises and 2- the trachea is closed by the epiglottis. The epiglottis
moves inferiorly, covering the trachea (to prevent food or liquid from entering the lungs).
Why does the soft palate elevate during swallowing? - ANSWER- The upward movement of
the soft palate prevents food or liquid from entering the nasal passages during swallowing.
What is the glottis? - ANSWER- An opening in the larynx where the vocal cords (vocal folds)
are located.
What is aspiration? - ANSWER- Food or liquid that accidentally enters the trachea (then lungs)
True or False? The left lung has three lobes. - ANSWER- False. The right lung has 3 lobes.
Name two functions of the pleura. - ANSWER- Facilitates movement of lungs with body wall.
Enclose the lungs/pleural cavity.
