Respiratory System Quiz

True or False: Hiccups are caused by diaphragm spasms.

True

When the pressure inside the thoracic cavity is MORE than atmospheric pressure....

air enters the lungs

air exits the lungs

air is at equilibrium

air does not move

air exits the lungs

When the pressure inside the thoracic cavity is LESS than atmospheric pressure....

air exits the lungs

air is at equilibrium

air enters the lungs

air does not move

air enters the lungs

_____ is the amount of air that cannot be voluntarily expelled.

Tidal volume

Residual volume

Vital capacity

Lung capacity

Residual volume

_____ is the amount of air that can be forcibly exhaled after tidal volume.

Inspiratory reserve volume

Vital capacity

Expiratory reserve volume

Lung capacity

Expiratory reserve volume

_____ is the amount of air that can be taken in forcibly over the tidal volume.

Inspiratory reserve volume

Expiratory reserve volume

Lung capacity

Vital capacity

Inspiratory reserve volume

_____ is the amount of air moved into and out of the lungs with each breath during normal breathing.

Residual Volume

Inspiratory reserve volume

Expiratory reserve volume

Tidal volume

Tidal volume

Respiratory control centers are found in the _____ and _____.

Parietal, Occipital lobes

Frontal, Temporal lobes

Pons, Medulla

Hypothalamus, Thyroid

_____ is a “normal” respiratory rate of 15-25 breaths/min.

Hyperpnea

Eupnea

Hyperventilation

Apnea

Eupnea

True or False: Breathing is ALWAYS involuntary.

False

When the intercostal muscles relax, the ribs are _____, making the thoracic cavity _____.

depressed, smaller

depressed, larger

elevated, smaller

elevated, larger

depressed, smaller

When the diaphragm contracts, it moves _____, making the thoracic cavity _____.

inferiorly, smaller

superiorly, larger

superiorly, smaller

inferiorly, larger

inferiorly, larger

The larger the volume, the _____ the gas molecules are, and the _____ the pressure.

further apart, higher

closer together, lower

further apart, lower

closer together, higher

further apart, lower

True or False: The alveoli make up the bulk of the lungs.

True

True or False: The right and left lung are perfectly identical.

False

Gas exchange occurs in the _____.

alveoli

bronchioles

trachea

nasal cavity

alveoli

Which of the following is NOT part of the respiratory tree.

Primary Bronchi

Pharynx

Bronchioles

Secondary Bronchi

Pharynx

The _____ is also known as the "windpipe".

nasal cavity

bronchi

trachea

bronchiole

trachea

The _____ is also known as the "voice box".

Pharynx

Trachea

Epiglottis

Larynx

Larynx

The _____ covers the pharynx while swallowing.

voice box

bronchioles

epiglottis

alveoli

epiglottis

_____ is a passageway for BOTH food and air.

Larynx

Trachea

Pharynx

Bronchi

Pharynx

Which of the following is NOT an affect of the nasal cavity on incoming air?

Cools air

Warms air

Hydrates air

Filters air

Cools air

Veins run close below the surface of the _____.

paranasal sinuses

respiratory mucosa

epiglottis

trachea

respiratory mucosa

The _____ is the only externally visibly structure of the respiratory system.

Pharynx

Larynx

Lungs

Nose

Nose

_____ is the term for "breathing out".

Inhalation

Inspiration

Expiration

Extersion

Expiration

_____ is the term for "breathing in".

Exhalation

Expiration

Interation

Inspiration

Inspiration