STRUCTURES OF THE RESPIRATORY SYSTEM

Multiple Choice

The body has a 6- to 10-minute supply of oxygen.

• TRUE

• FALSE

Multiple Choice

The nasal septum divides the nose into two hollow spaces called nasal cavities.

• TRUE

• FALSE

Multiple Choice

The nasal cavities are lined with a mucous membrane and have a rich blood supply.

• TRUE

• FALSE

Multiple Choice

The largest layer of cartilage on the larynx is commonly called the Adam’s apple.

• TRUE

• FALSE

Multiple Choice

Alveoli are made of one layer of squamous epithelial tissue and contain a rich network of blood capillaries.

• TRUE

• FALSE

Multiple Choice

The inner surfaces of alveoli are covered with a lipid substance called surfactant.

• TRUE

• FALSE

Multiple Choice

The left lung has three lobes, while the right lung has two lobes.

• TRUE

• FALSE

Multiple Choice

Which of the following statements about the sinuses is not true?

• Sinuses provide the sense of smell.

• Sinuses are lined with a mucous membrane.

• Sinuses provide resonance for the voice.

• Sinuses warm and moisten air.

Multiple Choice

The pharyngeal tonsils are located in the ____.

• OROPHARYNX

• LARYNGOPHARYNX

• TRACHEOPHARYNX

• NASOPHARYNX

Multiple Choice

The esophagus and trachea branch off of the ____.

• OROPHARYNX

• LARYNGOPHARYNX

• TRACHEOPHARYNX

• NASOPHARYNXH

Multiple Choice

The structures that allow for the exchange of oxygen and carbon dioxide between the lungs and blood are ____.

• BRONCHIOLES

• BRONCHI

• ALVEOLI

• EPIGLOTTIS

Multiple Choice

In order to carry air to both lungs, the trachea branches into two tubes called ____.

• BRONCHIOLES

• TERMINAL BRONCHIOLES

• BRONCHI

• ALVEOLI

Multiple Choice

The membrane or sac that encloses each lung is a ____.

• PLEURA

• VISCERAL MEMBRANE

• PERITHORACIC MEMBRANE

• PNEUMOCARDIAL SAC