Respiratory System Anatomy

Which of the following products is secreted by goblet cells?

• 
  serous fluid

• mucus

• synovial fluid

• serosanguinous fluid

Gas is exchanged in the alveoli by which process?

• 
  diffusion

• active transport

• osmosis

• filtration

Which epithelium lines the laryngopharynx and oropharynx?

• pseudostratified ciliated columnar epithelium

• stratified cuboidal epithelium

• simple squamous epithelium

• stratified squamous epithelium

The external nose consists of which tissues?

• 
  cartilage and bone

• 
  bone only

• 
  hyaline cartilage only

• 
  elastic cartilage only

Which of the following is NOT part of the conducting zone of the respiratory system?

• 
  pharynx

• respiratory bronchiole

• trachea

• 
  bronchiole

Which statement does NOT describe the true vocal cords?

• They are the inferior set of folds.

• Exhaled air flowing through the glottis vibrates them to produce sound.

• 
  They are also called vestibular folds.

• 
  none of them

How many lobes are there in the right lung? How many lobes are there in the left lung?

• 
  four; two

• three; two

• 
  five; three

• four; three

Match the following structures to the correct location. ​ ​ ​

a

b

c

d

e

f

g

h

i

j

Nasal cavity

Frontal sinus

Sphenoidal sinus

Trachea

Pharynx

Diaphragm

Cardiac notch

Epiglottis

Larynx

Pleural cavity

Match the following structures to the correct location.

a

b

c

d

e

f

g

h

Epiglottis

Laryngeal prominence

Thyrohyoid membrane

Hyoid bone

Cricoid cartilage

Thyroid cartilage

Tracheal cartilage

Thyroid gland

What structure prevents food and liquid from entering the trachea?

• Uvula

• Epiglottis

• Vocal cords

• Esophagus