Topic 5: Respiratory System

Question 1

Air passing from the pharynx to the trachea must pass through the ____?
a. nasal cavity b. bronchi c. larynx d. diaphragm

Answer 1

c. larynx

Question 2

This structure prevents food from entering the airway.
a. vestibular fold b. urula c. laryngopharynx d. epiglottis

Answer 2

d. epiglottis

Question 3

The Adams apple is located on which cartilage?
a. cricoid cartilage b. thyroid cartilage c. arytenoid cartilage d. corniculate cartilage

Answer 3

b. thyroid cartilage

Question 4

Which of the following delivers air to the lobes of the lungs?
a. primary bronchi b. secondary bronchi c. tertiary bronchi d. terminal bronchioles

Answer 4

b. secondary bronchi

Question 5

All o the following are part of the conduction zone except the ____?
a. main bronchi b. respiratory bronchioles c. segmental bronchioles d. terminal bronchioles

Answer 5

b. respiratory bronchioles

Question 6

An increase in the volume of a container filled with air would have what effect on the pressure of the container?
a. increase in the pressure b. decrease in the pressure c. no effect d. a temporary effect

Answer 6

b. decrease in the pressure

Question 7

Surfactant decreases the ____ in the alveoli.
a. surface tension b. pressure c. compliance d. volume

Answer 7

a. surface tension

Question 8

The amount of air that can be forcefully inhaled after a normal tidal volume inspiration is termed the ____?
a. vital capacity b. expiratory reserve volume c. inspiratory reserve volume d. inspiratory capacity

Answer 8

c. inspiratory reserve volume

Question 9

Which of the following statements is false in regards to inspiration?
a. the rib cage is elevated. b. the diaphragm is relaxed c. volume in the thoracic cavity has increased d. intrapulmonary pressure has decreased.

Answer 9

b. the diaphragm is relaxed

Question 10

Which of the following us responsible for keeping the lungs from collapsing?
a. surfactant b. intrapulmonary pressure c. transpulmonary pressure d. intrapleural pressure

Answer 10

c. transpulmonary pressure

Question 11

The respiratory membrane is composed of ____?
a. the alveolar sacs and pulmonary arteries b. the alveolar membrane, the capillary wall, and their fused basement membrane c. the fusion of the type i cells and type ii cells in the lungs d. the cells found between the alveolar pores

Answer 11

b. the alveolar membrane, the capillary wall, and their fused basement membrane