Deck 36: Anatomy of the Respiratory System

Question 1

The right lung has superior, middle, and inferior lobes. Which lobe is missing on the left side?

A) superior
B) inferior
C) middle

Answer 1

C

Question 2

The pseudostratified ciliated columnar epithelium of the trachea _ .

A) lines the airway that is held open by C-shaped cartilaginous rings
B) sweeps the mucus toward the throat, where it can be expelled or swallowed
C) produces mucus to trap dust particles, bacteria, and other debris
D) produces mucus to trap dust particles, bacteria, and other debris; sweeps the mucus toward the throat, where it can be expelled or swallowed; and lines the airway that is held open by C-shaped cartilaginous rings

Answer 2

D

Question 3

Ventilation is .

A) the exchange of gases between blood and tissue cells
B) the transport of respiratory gases between the lungs and the tissues of the body
C) the exchange of gases between blood and the air-filled chambers of the lungs
D) the movement of air into and out of the lungs

Answer 3

D

Question 4

What is the correct order of passageways, from proximal to distal?

A) terminal bronchiole, respiratory bronchiole, alveolar duct
B) terminal bronchiole, alveolar duct, respiratory bronchiole
C) respiratory bronchiole, terminal bronchiole, alveolar duct
D) alveolar duct, respiratory bronchiole, terminal bronchiole

Question 5

The larynx _.

A) contains the apparatus for speech
B) is located posterior to the esophagus (food chute)
C) is covered during swallowing by the cricoid cartilage
D) is formed by a group of elastic cartilages

Question 6

The boundary between conducting zone and respiratory zone structures occurs at the .

A) terminal bronchiole/respiratory bronchiole junction.
B) secondary bronchi/tertiary bronchi junction
C) tertiary bronchi/bronchiole junction
D) tracheal/main (primary) bronchi junction

Question 7

The main bronchi enter the lungs at an area called the .

A) cardiac notch of the lung
B) pleural connection
C) pulmonary indentation
D) hilum of the lung

Question 8

The prominence on this laryngeal cartilage is called the Adam's apple.

A) thyroid
B) arytenoid
C) cricoid
D) cuneiform

Question 9

The function of the respiratory system is to .

A) supply the body with oxygen and eliminate carbon dioxide
B) supply the body with oxygen and carbon dioxide
C) convert carbon dioxide to oxygen and carbon
D) create oxygen and break down carbon dioxide

Question 10

The trachea divides into bronchi that lead to the lungs.

A) 2
B) 3
C) 4
D) 5

Question 11

The portion of the serous membrane that lines the thoracic walls is called the .

A) parietal pleura
B) visceral pleura
C) pericardium
D) pleural cavity

Question 12

Because the conducting zone structures have no gas exchange function, they are called _.

A) respiratory dead space
B) physiological dead space
C) anatomical dead space

Question 13

The portion of the serous membrane that covers and adheres to the lung is called the .

A) parietal pleura
B) visceral pleura
C) fibrous sac
D) pleural cavity

Question 14

The medial surface of the left lung has a cavity that accommodates the contents of the mediastinum. It is called the .

A) stinal indentation
B) cardiac notch
C) paraphrenic indentation
D) medial notch

Question 15

Which lobes of the lungs are found in the apex?

A) inferior
B) middle
C) superior

Question 16

What kind of epithelium lines the trachea?

A) stratified squamous
B) ciliated columnar
C) pseudostratified ciliated columnar
D) simple squamous

Question 17

This portion of the upper respiratory system serves only as an air passageway.

A) laryngopharynx
B) nasopharynx
C) oropharynx

Question 18

Speech occurs when air is moved through this passageway between the _.

A) vocal folds
B) vestibular folds
C) false vocal cords
D) walls of the arytenoid canal

Question 19

The functions of the nasal cavity include _ .

A) accommodating both ingested food and air
B) warming, moistening, and filtering the air
C) passing inspired air into the blood
D) passing air over the various tonsils

Question 20

The alveoli are made up of .

A) simple squamous epithelium
B) stratified squamous epithelium
C) simple columnar epithelium
D) simple cuboidal epithelium

Question 21

The inflated lungs of a fresh pluck _.

A) feel like a soft balloon
B) remain a tan/brown color, since it is no longer living tissue
C) feel like a soft sponge
D) change color and become paler as the lungs increase in size

Question 22

The function of the bronchial tree through the terminal bronchiole is ; the function of the respiratory bronchiole and alveoli is _ .

A) gas exchange, gas exchange
B) to move air, gas exchange
C) to warm and moisten air, to move air to the respiratory membrane
D) to filter air, to move carbon dioxide across the respiratory membrane

Question 23

Select the pair below that is a correct match of the structure and zone.

A) conducting zone, alveolar sac
B) respiratory zone, terminal bronchiole
C) respiratory zone, nasal cavity
D) conducting zone, trachea

Question 24

A respiratory bronchiole can be distinguished from a terminal bronchiole by .

A) the total loss of smooth muscle in its walls
B) the absence of an epithelium lining it
C) the loss of cartilage rings that are seen in the terminal bronchioles
D) the alveoli that first appear on the respiratory bronchioles

Question 25

The respiratory membrane includes the .

A) the capillary and alveolar epithelial sheets, and a common, mucous-coated basement membrane
B) capillary and alveolar walls and their fused basal laminae
C) capillary wall, a thin fluid-filled space, and the alveolar wall

Question 26

This flap of elastic cartilage forms a lid over the larynx and prevents food from entering it during swallowing.

A) epiglottis
B) cuneiform
C) thyroid
D) cricoid