BIOD 151: MODULE 2 – EXAM QUESTIONS WITH 100% CORRECT ANSWERS GRADED A+ FIRST CLASS PASS 2025

BIOD 151: MODULE 2 – EXAM QUESTIONS WITH 100% CORRECT ANSWERS GRADED A+ FIRST CLASS PASS 2025 What are the three main functions of the respiratory system (anatomical organization)? - correct answer Air conduction Air filtration Exchange of gases (respiration) What are the three parts of the pharynx? - correct answer 1. Nasopharynx 2. Oropharynx 3. Laryngopharynx Hard Palate - correct answer Bony anterior portion; roof of the mouth Soft Palate - correct answer Muscular posterior portion; covers the nasal cavity during swallowing Label A (anterior view of the lungs) - correct answer Larynx Label B (anterior view of the lungs) - correct answer Cartilaginous rings of the trachea Label C (anterior view of the lungs) - correct answer Bronchi Label D (anterior view of the lungs) - correct answer Left Lung Label E (anterior view of the lungs) - correct answer Bronchioles Label A (posterior view of the larynx) - correct answer Epiglottis Label B (posterior view of the larynx) - correct answer Thyroid Cartilage Label C (posterior view of the larynx) - correct answer Larynx Label D (posterior view of the larynx) - correct answer Vocal Folds Label E (posterior view of the larynx) - correct answer Cricoid Cartilage Label G (posterior view of the larynx) - correct answer Cartilaginous rings of the trachea What important steps need to happen during the swallowing process to prevent aspiration? - correct answer 1. The larynx rises 2. The trachea is closed by the epiglottis Why does the soft palate elevate during swallowing? - correct answer The upward movement of the soft palate prevents food or liquid from entering the nasal passages during swallowing What is the glottis? - correct answer An opening in the larynx where the vocal folds are located What is aspiration? - correct answer When food or liquid accidentally enters the trachea and into the lungs Name two functions of the pleura - correct answer 1. Facilitates movement of the lungs with the body wall 2. Encloses the lungs and pleural cavity Alveolar Duct - correct answer Small tube that leads to the respiratory bronchiole and is the point of attachment for alveoli Alveolar Sac - correct answer Two or more alveoli that share a common duct or opening What is the major histology type in the respiratory system? - correct answer Ciliated pseudo-stratified columnar epithelium