respiratory system

Which of the following is a function of the respiratory system ?

• gas exchange

• absorption of nutrients

• transport of oxygen

• structural support

The space at the back of the mouth, that leads either to the airway or the esophagus is the:

• larynx

• conchae

• nasal cavity

• pharynx

The trachea leads to the:

• bronchioles

• bronchii

• esophagus

• pulmonary vessel

The space at the back of the mouth, that leads either to the airway or the esophagus is the:

• larynx

• conchae

• nasal cavity

• pharynx

Oxygen from the air enters the blood stream at what location?

• cardiac notch

• pulmonary vein

• alveoli

• paranasal sinuses

What divides the left and right side of the nasal cavity?

• septum

• conchae

• pharynx

• sinus

Hyaline cartilage has primary function?

• protect the thyroid

• increase the surface area

• connect the conchae

• support the trachea

Which of the following is the correct pathway through which air travels in the human respiratory system?

• pharynx, nose, trachea, lungs

• nose, pharynx, trachea, lungs

• none of the above

Which of the following is responsible for preventing food from entering the trachea?

• epiglottis

• glottis

• larynx

When the air passages leading to the lungs contract and become narrower in size, this condition is known as

• bronchitis

• asthma

• lung cancer

• the flu