Respiratory System Functions Quiz

Question 1

Oral Cavity

Answer 1

behind the oropharynx, on the sides of the inner walls of the cheeks, helps with eating and chewing

Question 2

Pharynx

Answer 2

membrane-lined cavity behind the nose, connects the mouth to the esophagus

Question 3

Nasopharynx

Answer 3

above the oropharynx, leads to the nasal cavity, connects nasal passage to the respiratory system

Question 4

Oropharynx

Answer 4

passageway for food, water, and air

Question 5

Laryngopharynx

Answer 5

leads to the larynx and esophagus

Question 6

Larynx

Answer 6

“voice box,” breathing, swallowing, speaking

Question 7

Vocal Cords

Answer 7

production of sound for speech

Question 8

Epiglottis

Answer 8

protects the opening of the larynx

Question 9

Glottis

Answer 9

opening of the larynx

Question 10

Trachea

Answer 10

“windpipe,” conducts air from the larynx to the lungs

Question 11

Tracheal Cartilage

Answer 11

keeps the lumen open

Question 12

Bronchus

Answer 12

distributes air to the lungs, main airway

Question 13

Lungs

Answer 13

process of gas exchange (respiration)

Question 14

Bronchioles

Answer 14

small respiratory tubules with smooth muscle in the walls, comes after the bronchi

Question 15

Respiratory Bronchiole

Answer 15

division of the bronchioles with alveoli attached to the walls

Question 16

Alveoli

Answer 16

tiny air sacs

Question 17

Diaphragm

Answer 17

contracts to pull air into the lungs

Question 18

Explain the physical reason for the tremendous surface area of the lungs

Answer 18

millions of alveoli, lungs need the space to take in 6 liters of air per minute.

Question 19

Distinguish between a bronchus, bronchi, bronchiole, and respiratory bronchiole

Answer 19

Bronchus: main airways, branch off into smaller and smaller airways

Bronchi: plural for bronchus

Bronchiole: smallest airways, leads to air sacs (alveoli)

Respiratory Bronchiole: final division of bronchioles

Question 20

List 5 lobes of human lung

Answer 20

Right Superior Lobe
Right Medial Lobe
Right Inferior Lobe
Left Superior Lobe
Left Inferior Lobe

Question 21

List 7 lobes of cat lung

Answer 21

Right Cranial
Right Medial
Right Caudal
Accessory
Left Cranial: caudal/cranial
Left Caudal

Question 22

Explain the difference between internal and external respiration

Answer 22

Internal Respiration: exchange of gasses from internal environment, occurs in the lung tissue

External Respiration: exchange of gasses from external environment, occurs in the alveoli