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

Sphenoidal sinus

Cardiac notch

Nasal cavity

Pharynx

Larynx

Diaphragm

Pleural cavity

Frontal sinus

Epiglottis

Trachea

Match the following structures to the correct location.

a

b

c

d

e

f

g

h

Tracheal cartilage

Laryngeal prominence

Thyroid gland

Thyrohyoid membrane

Thyroid cartilage

Epiglottis

Cricoid cartilage

Hyoid bone

What structure prevents food and liquid from entering the trachea?

• Uvula

• Epiglottis

• Vocal cords

• Esophagus