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The Respiratory System

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

Most foreign substances in inspired air fail to reach the lungs because of the

a)

digestive system

b)

abundant blood supply to the nasal mucosa.

c)

porous structure of the nasal conchae.

d)

 action of the epiglottis.

e)

ciliated epithelium & mucus that line the respiratory passages.

2.

Identify the following anatomical structure highlighted in green. 

(a)  

3.

Which of the following options identifies the correct path that air travels to the blood?

a)

bronchioles — larynx — segmental bronchi — primary bronchi — lobar bronchi

b)

larynx — primary bronchi — trachea — lobar bronchi — bronchioles — segmental bronchi — pharynx

c)

pharynx — larynx — trachea — primary bronchi — bronchioles — alveolar sac — capillaries

d)

larynx — pharynx — lobar bronchi — primary bronchi — bronchioles — segmental bronchi

e)

pharynx — larynx — alveolar sac — capillaries — primary bronchi — capillaries

4.

Identify the following anatomical structure highlighted in green. 

(a)  

5.

The (a)   sinuses drain into the nasal cavity

6.

Which of these does not act as a protective mechanism in the respiratory system?

a)

ciliated epithelium lining the respiratory tract

b)

mucous lining the respiratory tract

c)

alveolar macrophages in the lungs.

d)

acidic secretions from the lining of the trachea

7.

The ability to vary the pitch of the voice results from varying

a)

the force of air passing over the vocal folds.

b)

 the tension in the vocal folds.

c)

the size of the laryngeal cartilages.

d)

the shape of the cricoid cartilage.

e)

the pharynx

8.

Which of the following is not a function of the nasal conchae?

a)

They deflect particulates to the mucosa.

b)

They help warm the air.

c)

They decrease the turbulence in the flow of air through the nasal cavity.

d)

They moisten the air.

e)

Provide a chamber for resonance of speech

9.

The medial opening between the vocal folds through which air passes.

a)

thyroid

b)

vestibule

c)

rima glottidis

d)

thyrohyoid membrane

e)

cricothyroid ligament

10.

Identify the anatomical structure highlighted in green

(a)