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CH 19 - Respiratory System

Authored by Ellah Quintana

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University

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CH 19 - Respiratory System
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29 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Major function of the respiratory system:

Move air into and out of lungs

Make sounds

All of the above

None of the above

Answer explanation

The respiratory system is responsible for moving air in and out of the lungs, making sounds through the larynx, and facilitating gas exchange.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The "throat"

Larynx

Pharynx

Trachea

Bronchi

Alveoli

Answer explanation

The pharynx is commonly referred to as the throat, serving as a passageway for both air and food.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The "windpipe"

Larynx

Pharynx

Trachea

Bronchi

Alveoli

Answer explanation

The trachea, or windpipe, is the tube that carries air to the bronchi.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The "voice box"

Larynx

Pharynx

Trachea

Bronchi

Alveoli

Answer explanation

The larynx houses the vocal cords and is essential for producing sound.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Microscopic air sacs of the lungs where gas exchange occurs:

Larynx

Pharynx

Trachea

Bronchi

Alveoli

Answer explanation

Alveoli are tiny air sacs in the lungs where oxygen and carbon dioxide exchange occurs with the blood.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Branches of the respiratory tree immediately after the trachea:

Larynx

Pharynx

Trachea

Bronchi

Alveoli

Answer explanation

The trachea divides into two bronchi, which carry air into the lungs.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The major form of carbon dioxide transport in the blood:

Dissolved in plasma

Attached to hemoglobin

Bicarbonate

Vitamin C

Answer explanation

Most carbon dioxide is transported as bicarbonate ions in the blood plasma.

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