Free Printable RESPIRATORY SYSTEM

1.

Which of the following is NOT part of the upper respiratory system?

a)

Nose

b)

Oral cavity

c)

Pharynx

d)

Trachea

2.

The function of the conducting zone is to

a)

filter air

b)

warm and moisten air

c)

conduct it into the lungs

d)

all of the above

3.

The nose connects with the pharynx through the

a)

Septal cartilage

b)

External nares

c)

Choanae

d)

Uvula

4.

Which of the following is a passageway for air, food and water?

a)

Pharynx

b)

Larynx

c)

Paranasal sinuses

d)

Esophagus

5.

The opening to the pharynx from the mouth is called

a)

Palatine

b)

Meatuses

c)

Fauces

d)

Vestibule

6.

This structure prevents food or water from entering the trachea.

a)

Arytenoid cartilage

b)

Epiglottis

c)

Nasopharynx

d)

Thyroid cartilage

7.

During swallowing, which structure rises?

a)

Pharynx

b)

Esophagus

c)

Trachea

d)

Palatine tonsils

8.

These are triangular pieces of mostly hyaline cartilage located at the posterior and superior border of the cricoid cartilage.

a)

Corniculate cartilage

b)

Arytenoids cartilage

c)

Cricotracheal cartilage

d)

Cuneiform cartilage

9.

Pitch is controlled by

a)

Vibration of the vocal chords

b)

Tension of the vocal chords

c)

Layers of cartilage in the vocal chords

d)

Arrangement of the vocal chords

10.

This is located anterior to the esophagus and carries air to the bronchi.

a)

Trachea

b)

Larynx

c)

Nasopharynx

d)

Pharynx

11.

This is the primary gas exchange site.

a)

Trachea

b)

Bronchiole

c)

Nasal sinuses

d)

Alveolus

12.

Which of the below tissues maintains open airways in the lower respiratory system?

a)

stratified squamous epithelium with keratin

b)

ciliated pseudostratified columnar epithelium with goblet cells

c)

hyaline cartilage

d)

mucus membrane

13.

Which of the below tissues provides the functions of the inner layer of the conducting organs?

a)

stratified squamous epithelium with keratin

b)

ciliated pseudostratified columnar epithelium with goblet cells

c)

cilated cuboidal epithelium with goblet cells

d)

transitional epithelium with cilia

14.

The point where the trachea divides into right and left primary bronchi is a ridge called

a)

Carina

b)

Secondary bronchioles

c)

Parietal pleura

d)

Diaphragm

15.

Which of the below tissues forms the exchange surfaces of the alveolus?

a)

stratified squamous epithelium

b)

ciliated pseudostratified columnar epithelium with goblet cells

c)

simple squamous epithelium

d)

hyaline cartilage

16.

These are cells of the alveoli that produce surfactant.

a)

Type I alveolar cells

b)

Type II alveolar cells

c)

Type III alveolar cells

d)

Surface cells

17.

This is direction of diffusion of gases at capillaries near systemic cells.

a)

Oxygen into blood , Carbon dioxide into blood

b)

Oxygen out of blood , Carbon dioxide into blood

c)

Oxygen into blood , Carbon dioxide out of blood

d)

Oxygen out of blood , Carbon dioxide out of blood

18.

This is direction of diffusion of gases at the alveoli of the lungs.

a)

Oxygen into blood , Carbon dioxide into blood

b)

Oxygen out of blood , Carbon dioxide into blood

c)

Oxygen into blood , Carbon dioxide out of blood

d)

Oxygen out of blood , Carbon dioxide out of blood

19.

Exhalation begins when

a)

Inspiratory muscles relax

b)

Diaphragm contracts

c)

Blood circulation is the lowest

d)

All of the above

20.

This means the lungs and the chest wall expand easily.

a)

High surface tension

b)

Low surface tension

c)

High compliance

d)

Low compliance

21.

The conducting airways with the air that does not undergo respiratory exchange are known as the

a)

Inspiratory volume

b)

Expiratory reserve volume

c)

Respiratory dead space

d)

Residual volume

22.

This is the sum of the residual and the expiratory reserve volume.

a)

Total lung capacity

b)

Functional residual capacity

c)

Inspiratory capacity

d)

Vital capacity

23.

Which of the following is not a factor that the rate of pulmonary and systemic gas exchange depends on.

a)

Partial pressure difference of the gases

b)

Surface area for gas exchange

c)

Diffusion distance

d)

Force of contraction of diaphragm

24.

Which is the dominant method of carbon dioxide transport?

a)

Bound to hemoglobin

b)

Bound to oxygen

c)

Dissolved in plasma as a gas

d)

Dissolved in plasma as bicarbonate ions

25.

When blood pH drops then the amount of oxyhemoglobin _______ and oxygen delivery to the tissue cells ________________.

a)

increases, increases

b)

Increases, decreases

c)

Decreases, increases

d)

Decreases, decreases

26.

Which is a factor that does NOT affect hemoglobin’s affinity for oxygen?

a)

pH of blood

b)

Temperature

c)

Amount of oxygen available

d)

Respiratory rate

27.

Where are the nasal conchae?

a)

A

b)

C

c)

T

d)

U

28.

This portion of the pharynx has five openings in its wall.

a)

C

b)

E

c)

N

d)

T

29.

Which tonsils are found in the oropharynx?

a)

V

b)

R

c)

S

d)

Q

30.

What is also referred to as the Adam’s Apple?

a)

G

b)

H

c)

I

d)

J

31.

Where is the larynx?

a)

I

b)

M

c)

L

d)

O

32.

This is a ring of hyaline cartilage that forms the inferior wall of the larynx.

a)

J

b)

K

c)

G

d)

H

33.

Where is the uvula?

a)

E

b)

F

c)

Q

d)

S

34.

Where are the palatine tonsils?

a)

E

b)

F

c)

R

d)

U

35.

Where is the soft palate?

a)

C

b)

E

c)

G

d)

Q

36.

Where is the epiglottis?

a)

O

b)

R

c)

S

d)

F

37.

Where are the olfactory receptors found?

a)

A

b)

B

c)

C

d)

D

38.

Where is the middle nasal concha?

a)

A

b)

B

c)

C

d)

D

39.

Where is the inferior nasal concha?

a)

A

b)

B

c)

C

d)

D

40.

What is E pointing to?

a)

Soft palate

b)

Ethmoid bone

c)

Hard palate

d)

Nasal septum

41.

What is line D pointing to?

a)

Thyrohyoid membrane

b)

Corniculate cartilage

c)

Cricothyroid ligament

d)

Cricoid cartilage

42.

Where is the cricoid cartilage?

a)

D

b)

E

c)

G

d)

H

43.

Where is the tracheal cartilage?

a)

J

b)

I

c)

H

d)

G

44.

What is line A pointing to?

a)

Hyoid bone

b)

Trachea

c)

Thyroid

d)

Epiglottis

45.

Where is the structure that regulates air flow to the alveolus?

a)

G

b)

M

c)

H

d)

A

46.

What is line J pointing to?

a)

Right secondary bronchus

b)

Left secondary bronchus

c)

Right primary bronchus

d)

Left primary bronchus

47.

Where is the right bronchiole?

a)

F

b)

G

c)

H

d)

L

48.

What lines are pointing to tertiary bronchi?

a)

E and K

b)

D and J

c)

F and L

d)

H and M

49.

What is line B pointing to?

a)

Carina

b)

Visceral pleura

c)

Parietal pleura

d)

Pleural cavity

50.

This is the primary gas exchange structure.

a)

A

b)

B

c)

D

d)

E

51.

What is line C pointing to?

a)

Terminal bronchiole

b)

Respiratory bronchiole

c)

Alveolar ducts

d)

Alveolar sac

52.

Where is the terminal bronchiole?

a)

A

b)

B

c)

C

d)

D

53.

This provides disease resistance within the lungs.

a)

A

b)

B

c)

C

d)

D

54.

Which cells are the main sites of gas exchange?

a)

A

b)

B

c)

C

d)

D

55.

Which cell secretes surfactant?

a)

A

b)

B

c)

C

d)

D

RESPIRATORY SYSTEM

Total questions: 55

Worksheet time: 28mins

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