Chapter 23- Respiratory System

Question 1

functions of nose

Answer 1

warming and filtering air, olfactory sensation, modifying speech sounds

Question 2

wall of pharynx

Answer 2

skeletal muscles & mucous membrane

Question 3

3 sections of pharynx (top to bottom)

Answer 3

nasopharynx, oropharynx, laryngopharynx

Question 4

features of nasopharynx

Answer 4

auditory tube openings, pharyngeal tonsils

Question 5

features of oropharynx

Answer 5

palatine/lingual tonsils

Question 6

laryngopharynx connects…

Answer 6

esophagus to larynx

Question 7

how many pieces of cartilage in larynx

Answer 7

9 (3 pairs + 3 singles)

Question 8

thyroid cartilage

Answer 8

adam’s apple

Question 9

epiglottis

Answer 9

covers the glottis

Question 10

cricoid cartilage

Answer 10

attached to trachea by ligaments

Question 11

arytenoid cartilage

Answer 11

supports the paired laryngeal muscles which move the vocal folds

Question 12

cuneiform cartilage

Answer 12

support vocal folds

Question 13

corniculate cartilage

Answer 13

articulate thyroid and cricoid cartilages

Question 14

how many lobes in each side

Answer 14

5 total, 3 right, 2 left

Question 15

3 layers of gas exchange

Answer 15

• alveolar wall with surfactant
• basement membrane
• capillary wall

Question 16

type I alveolar cell

Answer 16

simple squamos epithelium

Question 17

type II alveolar cell

Answer 17

produces surfactant

Question 18

where is external respiration

Answer 18

lungs

Question 19

where is internal respiration

Answer 19

tissues

Question 20

process of inspiration

Answer 20

medulla oblongata sends out rhythmic discharge -> intercostal msucles & diaphragm contract -> lungs expand & intrapleural pressure drops -> air moves in

Question 21

most respiratory infections are caused by…

Answer 21

viruses

Question 22

pneumonia is caused by…

Answer 22

bacteria (streptococcus)