Respiratory System Review

What is another name for the nose pad?

• Alar fold

• Rhinarium

• Sinuses

Answer explanation

Which structure is not part of the upper respiratory tract?

• Trachea

• Alveoli

• Bronchi

• Pharynx

Answer explanation

Which type of epithelial cell lines the upper respiratory tract?

• Ciliated columnar epithelium

• Stratified squamous epithelium

• Simple squamous epithelium

• Keratinised transitional epithelium

Answer explanation

Much of the respiratory system is lined with ciliated epithelial tissue, that traps foreign bodies

Which one of the following is not a function of the sinuses?

• Reduce weight of the skull

• Promote movement of mucus

• Promote movement of air

• Warm and moisten air

Answer explanation

Nasal turbinates (conchae) warm and moistens air.

Which one of the following animals is an obligate nasal breather?

• Dog

• Cat

• Rabbit

• Human

Answer explanation

Rabbits are obligate nasal breathers, which means that they have the physical necessity to breathe through their nose and not their mouths. Nose breathing also allows rabbits to eat while they breathe.

Which one of the following is not a feature of a brachycephalic airway?

• Narrowed trachea

• Elongated soft palate

• Short epiglottis

• Stenosis of the nares

Answer explanation

Where can the hyoid bone be found?

• Larynx

• Pharynx

• Nose

• Bronchi

Oxygen and carbon dioxide move between the alveoli and blood stream by which process?

• Diffusion

• Osmosis

• Stenosis

• Tidal volume

On inspiration, the diaphragm moves….

• Medially

• Laterally

• Caudally

• Cranially

Inspiratory reserve is….

 

• The amount of air breathed in and out in one minute

• The air that does not take place in gas exchange

• The air that can be forced into the lungs after a normal breath

• The air that remains in the lungs after a normal expired breath