Respiratory System Quiz

Closing whenever we swallow, this structure prevents food from entering our respiratory tract.

• A. glottis

• B. epiglottis

• C. uvula

• D. larynx

What happens when the respiratory centers send a nerve impulse to the phrenic nerve?

• A. The intercostal muscles contract, lowering the rib cage.

• B. The intercostal muscles contract, raising the rib cage.

• C. The diaphragm contracts, increasing the volume in the lungs.

• D. The diaphragm relaxes, increasing the volume in the lungs.

Tags

NGSS.HS-LS1-3

Increasing the volume of our lungs allows pressure inside our lungs to lower. As a result

• A. we exhale

• B. we inhale

• C. air rushes out

• D. air is forced in

Tags

NGSS.MS-LS1-3

The actual exchange of gases occur at the

• A. bronchiole tubes

• B. nasal passage

• C. bronchi

• D. alveoli

The structure responsible for warming, moistening, and filtering air is the

• A. trachea

• B. pharynx

• C. larynx

• D. nasal passage

The nasal passage and the oral cavity are connected by the

• A. trachea

• B. larynx

• C. pharynx

• D. glottis

How are the walls of the primary bronchi different from the walls of the alveoli?

• A. The walls of the bronchi are thick and have cilia while the alveoli are one cell thick.

• B. The walls of the bronchi are one cell thick and the alveoli have capillaries.

• C. The bronchi are thick and don’t have cilia while the alveoli are thin and have cilia.

• D. The bronchi are thin and have cilia and the alveoli are thin and have cilia.

During normal breathing, we breathe in and out about 500 mL of air. This is known as

• A. Vital capacity

• B. Residual volume

• C. Tidal volume

• D. Dead Space volume

The structure responsible for setting the breathing rate is the

• A. medulla oblongata

• B. phrenic nerve

• C. intercostal nerve

• D. pons

Breathe in as much air as you can. The volume in your lungs is the

• A. Tidal volume

• B. Residual volume

• C. Inspiratory Reserve Volume

• D. Expiratory Reserve Volume