Quiz on the Respiratory System

What is the primary function of the respiratory system?

• To supply blood with nutrients

• To supply the blood with oxygen

• To remove waste from the body

• To regulate body temperature

Which of the following is NOT a common symptom of respiratory disease?

• Wheeze

• Headache

• Persistent cough

• Breathlessness

What is the process of inhalation?

• Expelling air from the lungs

• Drawing external air into the body

• Exchanging gases in the blood

• Removing carbon dioxide from the body

Which part of the respiratory system is considered the upper tract?

• Nasal cavity

• Trachea

• Bronchi

• Lungs

What is the normal range for SpO2 readings?

• 100 to 110%

• 95 to 100%

• 90 to 94%

• 80 to 90%

What happens during exhalation?

• Gases in the air are exchanged with blood

• Oxygen is absorbed into the blood

• Air is drawn into the lungs

• Carbon dioxide is produced in the lungs

Which of the following is a disorder of the respiratory system?

• Arthritis

• Hypertension

• Diabetes

• Asthma

What is the term for the pressure of oxygen in arterial blood?

• O2 saturation

• SpO2

• PaO2

• CO2

Which of the following describes the breathing mechanism?

• It involves only the upper respiratory tract

• It is a passive process

• It includes both inhalation and exhalation

• It only occurs during sleep

What is a common symptom of hypoxia?

• Increased energy

• Improved concentration

• Fatigue

• Weight gain