BIOD 151 MODULE 2 PORTAGE LEARNING EXAM WITH 100% APPROVED CORRECT ANSWERS GRADED A+ 2025 Biod 151 Module 2 Portage Learning Exam 2025 BIOD 151 MODULE 2 PORTAGE LEARNING EXAM WITH 100% APPROVED CORRECT ANSWERS GRADED A+ 2025 How many lobes does the right human lung have? - CORRECT ANSWER three lobes Air and food pass through which area? - CORRECT ANSWER Oropharynx Rings of cartilage line much of the respiratory tract. In which of the following can cartilage NOT be found? - CORRECT ANSWER Trachea Larynx Bronchi Alveoli (Alveoli) Label B Label D Label E Label F Label G - CORRECT ANSWER B - Oral cavity D - Epiglottis E - Glottis F - Trachea G - Esophagus Explain what happens to the Epiglottis during swallowing. Why? - CORRECT ANSWER When we swallow the Epiglottis moves to block the entrance of food particles into our larynx and lungs. The muscles of the Larynx pull upward to assist with this movement. They tightly close during swallowing. This prevents food from entering our lungs. OR Trachea is closed by the Epiglottis. The Epiglottis moves inferiorly, covering the trachea. This is to prevent food or liquid from entering the lungs. Explain atleast TWO differences between Type I and Type II Alveolar cells - CORRECT ANSWER a. Type I form the very thin simple squamous epithelium of the alveoli in junction with capillaries. Make up roughly 95% of alveolar epithelial cells. b. Type II produce and secrete pulmonary surfactant which is needed throughout the alveolar surface to keep the alveoli open. In addition, type II cells can divide to replace damaged type I cells. Makeup roughly 5% of alveolar epithelial cells.
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