Respiratory System Quiz

The muscle that separates the thoracic cavity from the abdomen is the _______________.

• diaphragm

• pleura

• mediastinum

• epiglottis

The _______________ form a protective circle of lymphatic tissue around the entrance to the respiratory system.

• septum

• epiglottis

• tonsils

• laryngopharynx

Which of the following is NOT a function of the paranasal sinuses?

• make skull bones lighter

• reduces surface tension in lungs

• produces mucus for lubrication

• helps produce sound [resonance to voice]

Which of the following structures contains the vocal cords?

• pharynx

• larynx

• trachea

• alveolus

The _______________ is a thin, moist and slippery membrane that covers the outer surface of the lungs and lines the inner surface of the rib cage.

• alveoli

• surfactant

• pleura

• mediastinum

The _______________ paranasal sinus is located above the eyebrows.

• frontal

• maxillary

• sphenoid

• ethmoid

________________ receptors are nerve endings that act as receptors for the sense of smell.

• parietal

• olfactory

• surfactant

• visceral

Which term describes that cavity between the lungs?

• parietal

• sphenoid

• mediastinum

• thoracic

Which term describes that cavity that protects the structures of the respiratory system?

• parietal

• sphenoid

• mediastinum

• thoracic

The _______________ is a wall of cartilage that divides the nose into separate chambers.

• pleura

• septum

• alveoli

• cilia