Name: Chapter 24: The Respiratory System Date Section POST-LABORATORY WORKSHEET

Question

Name: Chapter 24: The Respiratory System Date Section POST-LABORATORY WORKSHEET The corresponds to the Learning Objectivelsi listed in the chapter opener outline Do You Know the Basics? Exercise 24.1: Offactory Mucosa Place the tollowing layers of the weal f the respiratry tract in order from innermest to outermost. t. a. adventitia b mucosa C. submucosa 2 Stratfied squamous epithelial tissue lines the nssal cavity. Exercise 24.2: The Trachea True/False, 3. The trachea is tanterioriposterior)to the esophagus e 4. Which of the tollowing cell surface modifications and/or specialized cells may be found within the epithelium that lines the trachea? (Check all that applyl 4 b. goblet cells C. keratinization d. microvilli 5. The C-shaped tracheal cartilages allow the trachea to Iclose/open), whereas the trachealis muscle allows the trache (close/open) Exercise 24.3: The Bronchi and Bronchioles s Which of the folowing epithelia and/or cell surface modifications are present in large branchi? /Check all that apply) 6 a. clia b. goblet cells d. pseudostrstified ciliated columnar epithelium e stratified squamous epitheliunm Exercise 24.4: The Lungs 7. Alveoli are sac-like structures that serve as the sinte of gas exchange. 8. The respiratory membrane, through which a molecule of carbon dioxide must travel in order to diffuse from the blood into the alveoli, is composed [True/False) ? alveolar epithelium, a fused basement membrane, and a capillary endothelium. TrueFalse, 9. Alveolar type lWIlI cells are responsible for producing surfactant 10 Exercise 24.5: Midsagittal Section of the Head and Neck 0. The nasal cavity contains the superior, middle, and inferior nasal (conchae/meatuses) and the spaces between, as the superior, middie, and inferior (conchae/meatusest. 680 Chapter Twenty-Four The Respiratory System

Explanation / Answer

Exercise 24.1.

Answers -

1. The following order present in respiratory tract innermost to outermost -

Mucosa, sub Mucosa and adventitia.

2. This statement is false.

Exercise 24.2.

Answer -

3. The trachea is anterior to esophagus.

4. The option (a) is correct. cilia.

5. The c - shaped tracheal cartilage allow the trachea to close whereas trachilis muscles allow trachea to open.

Exercise24.3.

6. Answer - The option (d) is correct. Pseudostratified columnar ciliated epithelium.

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