CRE Respiratory System Anatomy & Physiology

Question 1

What is the primary function of the respiratory system?

Accepted Answer

To provide oxygen and remove carbon dioxide

Answer

To digest food.

Answer

To circulate blood.

Answer

To produce hormones.

Question 2

What part of the respiratory system is responsible for gas exchange?

Accepted Answer

Alveoli

Answer

Trachea.

Answer

Bronchi.

Answer

Larynx.

Question 3

What is the function of the diaphragm in the respiratory process?

Accepted Answer

It helps the lungs expand during inhalation

Answer

It helps to circulate blood.

Answer

It aids in digestion.

Answer

It regulates body temperature.

Question 4

What role do the bronchi play in the respiratory system?

Accepted Answer

They direct air into the lungs

Answer

They filter the air.

Answer

They exchange gases in the bloodstream.

Answer

They produce mucus.

Question 5

What happens during the process of exhalation?

Accepted Answer

The diaphragm relaxes, pushing air out of the lungs

Answer

The diaphragm contracts.

Answer

Oxygen is absorbed into the blood.

Answer

The trachea expands.

Question 6

What is the role of the mucous membranes in the respiratory system?

Accepted Answer

To trap dust and pathogens, protecting the lungs

Answer

To aid in digestion.

Answer

To regulate body temperature.

Answer

To circulate oxygen throughout the body.

Question 7

What is tidal volume in respiratory physiology?

Accepted Answer

The amount of air exchanged during normal breathing

Answer

The volume of air in the lungs after a forced exhalation.

Answer

The amount of air in the lungs after a deep breath.

Answer

The volume of air that remains in the lungs after exhalation.

Question 8

Why is pulmonary ventilation essential in the respiratory process?

Accepted Answer

It helps maintain proper gas exchange in the lungs

Answer

It ensures oxygen is delivered to the blood.

Answer

It regulates blood pressure.

Answer

It helps in the digestion process.

Question 9

What is the role of the oxygen-hemoglobin dissociation curve?

Accepted Answer

It explains the relationship between oxygen and hemoglobin saturation

Answer

It regulates blood sugar.

Answer

It is unrelated to respiratory function.

Answer

It is involved in the digestive process.