respiratory unit test

Which of the following is not considered part of the lower respiratory system?

C. Pharynx

Which is the most common passage way for both food and air?

a. Pharynx

Air is forced into the lungs by the contraction of the _____

C. Diaphragm

Which structure serves to reduce the weight of the skull and aid in the sound of the voice?

c. Paranasal sinuses

Which of the following lists the structures in correct order of oxygen flowing from atmosphere to bloodstream?

a. Nasal cavity, pharynx, larynx, trachea, bronchi.

A deficiency of oxygen reaching the tissues is called…

d. Hypoxia

The function of the epiglottis is…

b. Close off the larynx during swallowing

Ventilation is composed of what 2 processes?

c. Inspiration and expiration

Nerve impulse centers of the brain which control breathing are found in…

c.medulla oblongata and pons

______ respiration is gas exchange in the lungs, while _____ respiration is when mitochondria perform gas exchange during ATP synthesis

d. Pulmonary, cellular

The membrane that covers each lung is called

d. Visceral pleura/pleural membrane

When the thoracic cavity increases in volume, the pressure within it

b. Decreases

The amount of air, in addition to tidal volume, that can be forced into the lungs is called?

a. Inspiratory reserve

which of the following is the main function of the respiratory system?

d. Intake of oxygen and elimination of carbon dioxide