Deck 17: The Respiratory System

Question 1

Which of the following is not a subdivision of the pharynx?

A) tracheopharynx
B) nasopharynx
C) oropharynx
D) laryngopharynx

Answer 1

tracheopharynx

Question 2

The exchange of gases between the lung and the blood is called

A) cellular respiration
B) external respiration
C) internal respiration
D) pulmonary ventilation

Answer 2

external respiration

Question 3

The first respiratory structures without cartilage as a supporting tissue that inspired air passes through are

A) primary bronchi
B) secondary bronchi
C) bronchioles
D) alveolar ducts

Answer 3

bronchioles

Question 4

The movement of air into and out of the lung is called

A) cellular respiration
B) external respiration
C) internal respiration
D) pulmonary ventilation

Question 5

Which structure is not a part of the larynx?

A) thyroid cartilage
B) vocal cords
C) epiglottis
D) eustachian tube

Question 6

External respiration requires a higher oxygen concentration in the _____ than in the _____.

A) blood; lungs
B) blood; cells
C) cells; blood
D) lungs; blood

Question 7

Internal respiration requires a higher oxygen concentration in the _____ than in the _____.

A) blood; lungs
B) blood; cells
C) cells; blood
D) lungs; blood

Question 8

Another term for nostrils is

A) nasal cavities
B) nasal septum
C) external nares
D) internal nares

Question 9

Which structure does not drain into the nasal cavity?

A) ethmoid sinus
B) eustachian tube
C) frontal sinus
D) lacrimal sacs

Question 10

One of the functions of the respiratory mucosa is to

A) help trap contaminants found in inspired air
B) act as a thin barrier between the blood capillaries and alveoli
C) help humidify inspired air
D) both A and C

Question 11

Pulmonary ventilation has two phases; they are

A) inspiration and expiration
B) external respiration and internal respiration
C) external respiration and cellular respiration
D) internal respiration and cellular respiration

Question 12

Which of the following is not a respiratory organ?

A) larynx
B) diaphragm
C) bronchi
D) nose

Question 13

Which volume of air is not included in the vital capacity?

A) tidal volume
B) residual volume
C) inspiratory reserve volume
D) expiratory reserve volume

Question 14

The amount of air that can be forcibly taken in after normally inhaling is called _____ volume.

A) tidal
B) residual
C) inspiratory reserve
D) expiratory reserve

Question 15

Which of the following does not directly assist in the exchange of gases between blood and the air?

A) thin walls of the alveoli
B) thin walls of the capillaries in the lung
C) viscosity of the respiratory mucosa
D) alveolar surface area

Question 16

The use of oxygen for cell metabolism is called

A) cellular respiration
B) external respiration
C) internal respiration
D) pulmonary ventilation

Question 17

Which of the following is not part of the lower respiratory tract?

A) trachea
B) larynx
C) bronchi
D) lungs

Question 18

The exchange of gases between the cells and the blood is called

A) cellular respiration
B) external respiration
C) internal respiration
D) pulmonary ventilation

Question 19

Which of the following is not part of the upper respiratory tract?

A) trachea
B) larynx
C) pharynx
D) nose

Question 20

Which of the following bones does not contain a paranasal sinus?

A) ethmoid
B) mandible
C) maxilla
D) frontal

Question 21

The mucous blanket covers all of the structures of the respiratory system except the epiglottis.

Question 22

Labored or difficult breathing is referred to as

A) apnea
B) dyspnea
C) eupnea
D) Cheyne-Stokes respiration

Question 23

The total area for gas exchange in the lung is about 10 square meters,larger than the entire surface of the body.

Question 24

The total surface area of all the alveoli in the lungs would be about _____ square meters.

A) 50
B) 100
C) 250
D) 500

Question 25

Besides air distribution and gas exchange,the respiratory organs assist in

A) the sense of olfaction
B) filtering the air we breathe
C) warming the air we breathe
D) all of the above

Question 26

All of the following are true of the trachea except

A) it is lined with a respiratory membrane to trap impurities in the air
B) its framework is made of 15 to 20 C-shaped cartilage rings
C) it is also called the windpipe
D) All of the above are true of the trachea.

Question 27

The last part of the respiratory tree is the

A) bronchioles
B) alveoli
C) alveolar sacs
D) alveolar ducts

Question 28

Croup is a type of

A) rhinitis
B) pharyngitis
C) laryngitis
D) epiglottitis

Question 29

One of the reasons for the efficiency of the respiratory system is the thin layer of tissue between the alveoli and the blood capillary.This layer is called the respiratory mucosa.

Question 30

The shelflike structures that protrude into the nasal cavity on each side are called

A) nasal septa
B) conchae
C) turbinates
D) both B and C

Question 31

The upper respiratory tract refers to structures that are outside the chest cavity.

Question 32

The two most important respiratory control centers for regulating breathing are located in which part of the brain?

A) medulla
B) pons
C) cerebral cortex
D) cerebellum

Question 33

One of the functions of the mucous blanket is the removal of contaminants from the air that is inhaled.

Question 34

The type of respiration that is an alternation of hyperventilation and a stoppage in breathing that usually occurs in critically ill people is referred to as

A) apnea
B) dyspnea
C) eupnea
D) Cheyne-Stokes respiration

Question 35

Which is a broad term to describe conditions of progressive,irreversible obstruction of expiratory airflow?

A) asthma
B) emphysema
C) bronchitis
D) chronic obstructive pulmonary disease

Question 36

Chemoreceptors that help regulate breathing can be found in the

A) medulla oblongata
B) carotid artery
C) aorta
D) both B and C

Question 37

An incomplete expansion or collapse of a lung for any reason is called

A) pneumothorax
B) hemothorax
C) atelectasis
D) pleurisy

Question 38

The two major functions of the respiratory system are gas exchange and air distribution.

Question 39

Normal breathing is referred to as

A) apnea
B) dyspnea
C) eupnea
D) Cheyne-Stokes respiration

Question 40

The vocal cords are found in the

A) larynx
B) oropharynx
C) laryngopharynx
D) trachea

Question 41

The functions of the conchae include warming and humidifying inspired air.

Question 42

The vocal cords are found in the larynx.

Question 43

The function of the cilia of the lower part of the respiratory system is to push contaminated mucus up to the pharynx.

Question 44

External nares is another name for nostrils.

Question 45

Irritants such as cigarette smoke cause more mucus to be produced and the cilia to work more rapidly to clear the respiratory tract.

Question 46

The pharynx contains tonsils.

Question 47

The pharynx is actually part of two body systems.

Question 48

The auditory tubes connect the middle ear and the oropharynx.

Question 49

The pharynx may also be called the throat.

Question 50

Larynx is another name for pharynx.

Question 51

If the auditory tubes were blocked,it could make an airplane flight very uncomfortable.

Question 52

Because the bones of the paranasal sinuses are so thin,it is possible for a sinus infection to erode the bone and infect the brain.

Question 53

A person with severe respiratory problems may be put on a ventilator and have oxygen supplied through a tube in the trachea.The oxygen must be "bubbled" through water to replace one of the functions of the upper respiratory tract.

Question 54

The paranasal sinuses drain into the pharynx.

Question 55

When a person is winded and breathing through the mouth,the inspired air has a higher level of humidity because of the higher amount of moisture in the mouth.

Question 56

The space between the vocal cords is called the epiglottis.

Question 57

The "Adam's apple" is part of the larynx.

Question 58

Tears drain into the nasal cavity.

Question 59

From superior to inferior,the parts of the pharynx are oropharynx,nasopharynx,and laryngopharynx.

Question 60

The nasal septum divides the right and left paranasal sinuses.

Question 61

There are two primary bronchi,one entering each lung.

Question 62

There are four lobes of the lung: two on the right lung and two on the left lung.

Question 63

Croup is the most serious form of laryngitis and is frequently life threatening.

Question 64

The primary and secondary bronchi have similar structures.

Question 65

Epiglottitis is the most serious form of laryngitis and usually occurs in the early teens.

Question 66

When a person swallows,the epiglottis closes to prevent food from entering the esophagus.

Question 67

Infectious rhinitis and allergic rhinitis have the same symptoms.

Question 68

Bronchioles are the smallest of the air distribution tubes.

Question 69

A deviated septum results from the nasal septum being significantly "deviated" from the midsagittal plane.

Question 70

Laryngitis can be caused by either bacteria or a virus.

Question 71

The gas exchange function of the respiratory system occurs in the alveoli.

Question 72

In order to keep the trachea open in any position,the trachea is made of O-shaped cartilage stacked one on top of the other.

Question 73

Hemostasis is another name for a nosebleed.

Question 74

The trachea,or windpipe,connects the larynx and the bronchi.

Question 75

Infectious rhinitis and allergic rhinitis have the same cause.

Question 76

Both infant and adult respiratory distress syndrome have a similar cause: the lack of surfactant.

Question 77

Pharyngitis is another name for a sore throat.

Question 78

Bronchioles do not contain cartilage.

Question 79

The epiglottis is made of cartilage.

Question 80

Surfactant is a substance that helps increase the surface tension in the alveoli to keep them from collapsing during expiration.