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Respiratory System

Total questions: 63

Worksheet time: 35mins

Name
Class
Date
1.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

2.

What is function of the dome-shaped diaphragm muscle?

a)

This is where gas exchange happens.

b)

Air passes through the diaphragm on the way to the lungs.

c)

It attaches to the lungs and contracts and relaxes to help in breathing.

3.
The tube in the body through which air moves as it travels to and from the lungs;the windpipe.
a)
heart
b)
bone
c)
blood vessel
d)
trachea 
4.
Tiny air sacs in the lungs that are the site of gas exchange between the lungs and blood.
a)
alveoli​
b)
relax
c)
diaphragm​
d)
nose
5.
A wide muscle that separates the chest cavity from the abdominal cavity and aids in the inflation of the lungs.
a)
diaphragm​
b)
heart
c)
nose
d)
trachea
6.
The beginning point of the respiratory system where air is taken into the body.
a)
lung
b)
diaphragm​
c)
nose​
d)
trachea​
7.
Place where air enters the body; warms, moistens, and filters incoming air.
a)
lungs
b)
mouth
c)
bronchioles
d)
nasal cavity/nose
8.
Smaller branches of the bronchi inside the lungs.
a)
alveoli
b)
bronchioles
c)
larynx
d)
mouth
9.
Main muscle that controls breathing by changing pressure in the chest cavity when it contracts or relaxes.
a)
mouth
b)
pharynx
c)
diaphragm
d)
alveoli
10.
Common passageway of your nasal cavity and your mouth.
a)
pharynx
b)
larynx
c)
bronchi
d)
trachea
11.
Flap that closes over the trachea when swallowing to keep food from “going down the wrong pipe”; remains open when breathing.
a)
alveoli
b)
epiglottis
c)
larynx
d)
pharynx
12.
Branches of the trachea that lead to each lung.
a)
bronchi
b)
pharynx
c)
bronchioles
d)
alveoli
13.
“Voice box”; makes sounds as air passes through vocal cords.
a)
trachea
b)
bronchi
c)
mouth
d)
larynx
14.

a condition where the alveoli is infected

a)

cystic fibrosis

b)

pneumonia

c)

asthma

d)

emphysema

15.
an inflammation in the bronchial tubes that causes a person to have a nagging cough
a)
bronchitis
b)
emphysema
c)
pneumonia
d)
cystic fibrous
16.

Hair in your nose and mucus help to trap dust, bacteria, and other materials from going into your lungs when you breathe in.

a)

True

b)

False

17.

At the end of broncioles are thin walled sacs called what?

a)

trachea

b)

bronchi

c)

alveoli

d)

pneumonia

18.

The walls of the alveoli and capillaries are permeable. What does this mean?

a)

Substances can pass through them.

b)

They are made of muscle.

c)

They are located throughout the body.

d)

They are made of bone.

19.

What happens when your diaphragm relaxes and moves upward?

a)

Your lungs deflate and you breathe out.

b)

Your lungs inflate and you breathe in.

c)

Your alveoli transfer oxygen to your bloodstream.

d)

Your bloodstream transfers carbon dioxide to your alveoli.

20.

Which structures filter and moisten air as it passes through the human respiratory system?

a)

cilia and mucous membranes

b)

alveoli and cartilage rings

c)

diaphragm and bronchioles

d)

epiglottis and bronchi

21.

Which respiratory structure is supported by rings of cartilage?

a)

trachea

b)

alveolus

c)

bronchiole

d)

pharynx

22.

Which sequence correctly indicates the branching pattern of the human respiratory system?

a)

trachea -> bronchi -> bronchioles -> alveoli

b)

trachea -> bronchioles -> bronchi -> alveoli

c)

alveoli -> trachea -> bronchioles -> bronchi

d)

alveoli -> bronchioles -> trachea -> bronchi

23.

In humans, which structure prevents food from entering the trachea?

a)

epiglottis

b)

alveolus

c)

mucous membrane

d)

cartilage ring

24.

What is the thing that divides the nose into left and right sections?

a)

septum

b)

conchae

c)

palate

d)

sinus

25.

What does NOT qualify as respiration?

a)

gas exchange

b)

ventilation

c)

nutrient distribution

d)

oxygen and carbon dioxide replacement

26.
Bony ridges on the lateral walls of the nasal cavity that increase surface area are known as...
a)
paranasal sinuses
b)
nasal septa
c)
conchae
d)
nostrils
27.

Which is NOT a paranasal sinus?

a)

maxillary

b)

frontal

c)

temporal

d)

ethmoid

e)

sphenoid

28.

Where do tears drain into the nose?

a)

paranasal sinuses

b)

eustachian tubes

c)

internal nares

d)

nasolacrimal ducts

29.

Which letter indicates the largest cartilage of the larynx? What is it's name?

a)

A; cricoid

b)

B; cricoid

c)

D; thyroid

d)

A; thyroid

e)

A; epiglottis

30.

Which structures have cartilage?

a)

epiglottis

b)

larynx

c)

trachea

d)

bronchioles

e)

pharynx

31.

Normally, *this* lung measurement is largest:

a)

expiratory reserve volume

b)

tidal volume

c)

inspiratory reserve volume

d)

residual volume

32.

What are the three divisions of the pharynx?

a)

nasopharynx

b)

oropharynx

c)

laryngopharynx

d)

epipharynx

e)

trachopharynx

33.

Which division of the pharynx is most inferior?

a)

nasopharynx

b)

oropharynx

c)

laryngopharynx

d)

hypopharynx

34.

Which has the greatest diameter?

a)

alveoli

b)

bronchioles

c)

secondary bronchi

d)

tertiary bronchi

35.

Which statements are FALSE?

a)

Diaphragm relaxes = cavity volume increases

b)

Diaphragm contracts = cavity volume increases

c)

Alveolus pressure is < atmospere during inspiration

d)

Alveolus pressure is > atmosphere during expiration

36.

Vital Capacity =

a)

TV+IRV+ERV+RV

b)

TV+IRV+ERV

c)

TV+ERV

d)

TLC

37.

Which is TRUE?

a)

Young adults have greater vital capacity than elderly

b)

Short people have larger vital capacity than tall

c)

Obese people have larger vital capacity than thin

d)

Females have larger vital capacity than males

38.

Which does NOT affect gas exchange?

a)

cell thickness

b)

total surface area

c)

partial pressure of gases

d)

substances present in mucous

e)

blood pressure

39.

Oxygen binds to hemoglobin... now called?

a)

bicarbonate ions

b)

activated hemoglobin

c)

oxyhemoglobin

d)

hemoxygen

40.

CO2 in blood causes

a)

decreasing pH

b)

increasing pH

c)

loss of nutrients

d)

extra hemoglobin production

41.
Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 
a)
1,2,3,4
b)
2,3,1,4
c)
2,1,3,4
d)
4,2,3,1 
42.
Surfactant...
a)
decreases the surface tension of fluid in the alveoli
b)
increases the energy required to keep the lungs inflated
c)
makes the lungs tend to collapse
d)
traps foreign particles that enter the lungs
43.
Which of the following is not a characteristic of human lungs?
a)
Both right and left lungs are composed of three lobes. 
b)
Bronchi divide to form bronchioles.
c)
Capillary supply is abundant to facilitate gas exchange with the blood.
d)
The alveoli are tiny air sacs arranged in clusters.  
44.

Breathing rate is controlled by

a)

pons and medulla

b)

cerebellum

c)

cerebrum

d)

pacemaker and midbrain

45.

Boyle's law:

a)

Volume is directly proportional to pressure

b)

Volume is inversely proportional to pressure

c)

Volume is indirectly proportional to pressure

d)

Volume has no effect on pressure

46.

What causes inspiration?

a)

volume increase and pressure decrease

b)

volume decrease and pressure increase

c)

volume decrease and pressure increase

d)

volume increase and pressure increase

47.

Vocal cord tension affects

a)

voice volume

b)

voice pitch

c)

swallowing

d)

epiglottal movement

48.

COPD is most often caused by smoking. It combines what?

a)

Chronic bronchitis and emphysema

b)

Emphysema and cancer

c)

Bronchitis and pneumonia

d)

asthma and emphysema

49.

What is hyperventilation?

a)

too rapid, deep breathing

b)

too rapid, shallow breathing

c)

temporary stoppage of breathing

d)

long, slow breathing

50.

Air left after maximum expiration:

a)

inspiratory reserve

b)

expiratory reserve

c)

tidal volume

d)

residual volume

51.

Smokers get __________ respiratory infections.

a)

fewer

b)

more

52.

Oxygen transport...

a)

decreases with increasing temperature

b)

requires CO2 to make oxyhemoglobin

c)

increases with low blood pH

d)

is irreversable in hemoglobin

53.

Mostly, CO2 in blood is moved as

a)

part of a blood protein

b)

combination with oxygen atoms

c)

dissolved gas

d)

bicarbonate ions

54.

Other than the shape of the larynx, what helps create an individual voice?

a)

spongy bone

b)

foramina

c)

sinuses

d)

nasal cavity

55.

Main tissue type of bronchioles

a)

smooth muscle

b)

epithelium

c)

cartilage

d)

mucous

56.

Air between the pleura:

a)

pleurisy

b)

pneumothorax

c)

emphysema

d)

pneumonia

57.

In the lower respiratory tract:

a)

larynx

b)

nose

c)

trachea

d)

pharynx

58.

Which does not have a covering membrane?

a)

alveoli

b)

pleura

c)

trachea

d)

bronchi

59.

External means

a)

inside

b)

outside

c)

lining

d)

opening

60.

What prevents overinflation of lungs?

a)

stretch receptors

b)

bones

c)

intestines

d)

external air pressure

61.

Apnea is

a)

too rapid, deep breathing

b)

stopped/ paused breathing

c)

slow, regular breathing

62.

What is a fancy name for inflammation of the nose (stuffy nose)?

a)

sinusitis

b)

laryngitis

c)

tonsilitis

d)

rhinitis

63.

Which area does NOT have tonsils?

a)

larynx

b)

sublingual

c)

pharyngeal

d)

palate

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