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Respiratory System

Total questions: 50

Worksheet time: 48mins

Name
Class
Date
1.

How does oxygen move from the lungs into the blood?

a)

Through the process of cellular respiration

b)

Through the process of diffusion

c)

By magical powers

d)

It doesn't

2.
What are the main organs of gas exchange in the respiratory system?
a)
diapragm
b)
lungs
c)
trachea
d)
bronchi
3.

When you breathe, your lungs take in ___ and remove ___.

a)

air/oxygen

b)

oxygen/carbon dioxide

c)

carbon dioxide/waste

d)

waste/air

4.
The two main branches from the trachea (one to each lung)
a)
bronchi
b)
alveoli
c)
capillaries
d)
bronchioles
5.
The air sacs that are covered with capillaries that separate gases we need from gases we don't need.
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
6.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
7.
A disorder of the lungs called ____ causes the bronchi to become restricted (get smaller) so air can't get to the lungs.
a)
asthma 
b)
cold
c)
influenza 
d)
bronchitis 
8.
What is tube that is also known as your wind pipe?
a)
esophogus
b)
bronchi
c)
trachea
d)
alveoli
9.
What does the cilia do in the respiratory syestem ?
a)
The cilia carries food and air through the respiratory system. 
b)
The cilia is known to be part of a cell. 
c)
Cilia filters particles that enter the nose. 
d)
Cilia contains the vocal chords. 
10.
What does the Larynx hold ?
a)
The larynx holds the whole sub system 
b)
The larynx is part of the plant cells. 
c)
The larynx holds the vocal chords. 
d)
The larynx is part of animal tissues. 
11.
How is carbon dioxide released from the body? 
a)
When we exhale
b)
When we urinate
c)
When we sweat
d)
When we inhale
12.
What is the name of the muscle below the lungs that helps with breathing?
a)
trachea
b)
alveoli
c)
diaphragm
d)
bronchi
13.
The beginning of the respiratory system that warms and moistens the air.
a)
trachea
b)
nose
c)
bronchi
d)
diaphragm
14.
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 
15.
What is the small flap of tissue called that covers the air-only passage when we swallow?
a)
Bronchioles
b)
Larynx
c)
Alveoli
d)
Epiglottis
16.
How much of the air we breath in is Oxygen? 
a)
74.1 %
b)
20.1%
c)
100%
d)
less than 1%
17.
Cellular respiration needs two reactants. 
They are....
a)
Carbon dioxide and water 
b)
energy and food
c)
glucose and oxygen 
d)
nitrogen and fluid 
18.
The two main branches from the trachea (one to each lung)
a)
bronchi
b)
alveoli
c)
capillaries
d)
bronchioles
19.
All of the following are functions of the respiratory system EXCEPT
a)
Inhale to take in oxygen
b)
Exhale to release carbon dioxide
c)
Create sound with vocal chords
d)
Create blood cells
20.

When the diaphragm contracts and causes a decrease in pressure in the thoracic cavity, what happens?

a)

Nothing happens. That is always occurring.

b)

The animal gets hiccups.

c)

The animal inhales.

d)

The animal exhales.

21.

What component of the respiratory system is used by both the digestive and the respiratory system?

a)

Trachea

b)

Larynx

c)

Pharynx

d)

Vestibular folds

22.

What common mammal is unable to breathe through its mouth on a normal basis?

a)

Goat

b)

Cow

c)

Horse

d)

Pig

23.

What helps to increase the rate of diffusion?

a)

Cold temperatures

b)

Decreased surface area in the alveoli

c)

Breathing more quickly

d)

Taking shorter breaths

24.

When diffusion takes place in the alveoli, the oxygen has to do what?

a)

Pass through holes in the alveoli

b)

Be bonded to hydrogen molecules to pass through the alveoli

c)

Pass through a selectively permeable membrane

d)

Be large enough for the body to recognize it, so that a port opens up which allows it to pass through the membrane

25.

One of the ways to prevent respiratory disease is to do what?

a)

Vaccinate animals.

b)

Keep animals inside as much as possible.

c)

Give animals additional oxygen.

d)

Check each animal’s respiratory rate daily.

26.

Fluid buildup in the airways and lungs is called what?

a)

Tracheitis

b)

Rhinitis

c)

Pulmonary edema

d)

Pneumonia

27.

The external openings to the respiratory system are called...

a)

nostrils

b)

cloaca

c)

ossicles

d)

foramen

28.

The voice box is also called the...

a)

larynx

b)

pharynx

c)

uvula

d)

arytenoid

29.

Structures A and C separate the nasal cavity from the oral cavity

(a)  

30.

The singular of nares is _______

a)

nostril

b)

nose

c)

nare

d)

nasal

31.

The ____ separates the left and right nasal passages

a)

nasal septum

b)

nasal separator

c)

frenulum

d)

hard palate

32.

Name the lacey structures

a)

Nasal cochlea

b)

nasal turbinate

c)

nasal folds

d)

nares

33.

The functions of the nasal passage is to

a)

smell and taste

b)

provide resonance to the voice

c)

hold the nares open

d)

warm, filter and humidify air

34.

Brachycephalics are prone to

a)

narrow tracheas

b)

everted arytenoid cartilages

c)

elongated soft palate

d)

all of the above

35.

Laryngeal paralysis is most common in

a)

small breed dogs

b)

large breed dogs

c)

cats

d)

horses

36.

Tracheal collapse is more common in

a)

cats

b)

horses

c)

small breed dogs

d)

large breed dos

37.

The cough reflex is located at the

a)

carotid

b)

carina

c)

cricoid

d)

crux

38.

If something goes "down the wrong way", typically it means it slipped past this structure

a)

pharynx

b)

larynx

c)

epiglottis

d)

uvula

39.

Animals that are prone to laryngeal spasms when being intubated are

a)

rabbits

b)

horses

c)

ferrets

d)

cats

40.

During an asthma attack the autonomic nervous system will cause

a)

bronchodilation

b)

bronchoconstriction

c)

excessive mucous production

d)

a hacking cough

41.

The area between the lungs is called

a)

the middle space

b)

the mediastinum

c)

thorax

d)

pleural

42.

The hilus is

a)

the primary location of gas exchange

b)

helps to expand the lungs

c)

where vessels and nerves go in and out

d)

covers the lungs

43.

Deoxygenated blood enters the lungs through the

a)

aorta

b)

pulmonary veins

c)

cranial vena cava

d)

pulmonary arteries

44.

Name the structure under the yellow line

a)

heart

b)

lung

c)

diaphragm

d)

hilus

45.

Inspiration means

a)

a romantic moment

b)

a sigh

c)

breathing out

d)

breathing in

46.

The total volume of air inspired and expired in one breath

a)

minute volume

b)

tidal volume

c)

residual volume

d)

first breath

47.

Gas exchange in the alveoli takes place by

a)

diffusion along a concentration gradient

b)

active transport along an impermeable barrier

c)

passive transport and ionization

d)

partial pressure and depolarization

48.

Increased CO2 in the blood and decreased blood pH trigger the respiratory center to _____ the rate and depth of respiration

a)

increase

b)

decrease

c)

stabilize

d)

normalize

49.

Hypoxia means

a)

increased O2 levels in the blood

b)

decrease in blood O2 levels

c)

increase in blood pH

d)

decrease in blood pH

50.

This helps to reduce fluid surface tension and prevent alveoli collapse

a)

mucous

b)

surfactant

c)

pH

d)

semi-permeation

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