BIO 112 Ch. 16 Quiz

Why is oxygen so important?

• It is a key component of water.

• It is essential for respiration in living organisms.

• It is used in the production of steel.

• It is a greenhouse gas.

Tags

NGSS.HS-LS1-7

The function of the respiratory system is to:

• Transport nutrients

• Regulate body temperature

• Facilitate gas exchange

• Produce hormones

What happens to the thoracic cavity during inspiration and expiration?

• The thoracic cavity expands during inspiration and contracts during expiration.

• The thoracic cavity contracts during inspiration and expands during expiration.

• The thoracic cavity remains unchanged during both inspiration and expiration.

• The thoracic cavity only expands during expiration.

Tags

NGSS.HS-LS1-3

What is the primary muscle involved in the mechanism of breathing?

• Diaphragm

• Biceps

• Triceps

• Quadriceps

What is the nervous system’s role in the control of breathing?

• Regulating the rate and depth of breathing

• Controlling the digestive process

• Managing the body's temperature

• Overseeing the circulatory system

How is O2 transported in the blood?

• Dissolved in plasma and bound to hemoglobin

• Only dissolved in plasma

• Only bound to hemoglobin

• Converted to carbon dioxide

How is CO2 transported in the blood?

• Dissolved in plasma

• As bicarbonate ions

• Bound to hemoglobin

• All of the above

What structure helps to prevent food or water from entering the lungs?

• Trachea
• Epiglottis
• Larynx
• Bronchi

What is tidal volume?

• Tidal volume refers to the amount of air in the lungs after exhalation.
• Tidal volume is the volume of air inhaled or exhaled in a single breath.
• Tidal volume is the total lung capacity.
• Tidal volume is the maximum amount of air that can be inhaled.

List the structures in order for which air passes when inhaled.

• Trachea -> Pharynx -> Lungs -> Bronchi -> Nasal cavity -> Larynx
• Mouth -> Larynx -> Pharynx -> Bronchi -> Trachea -> Lungs
• Nasal cavity -> Lungs -> Bronchi -> Trachea -> Pharynx -> Larynx
• Nasal cavity/Mouth -> Pharynx -> Larynx -> Trachea -> Bronchi -> Lungs