Respiratory System Quiz

What is the primary function of the respiratory system?

• To regulate body temperature

• To provide nutrients to tissue cells

• To remove waste products from the body

• To furnish oxygen for tissue cells

Which part of the respiratory system is responsible for external respiration?

• Trachea

• Pharynx

• Lungs

• Nose

What is the function of the nasal conchae?

• To aid in phonation

• To contain olfactory receptors

• To warm and moisten inhaled air

• To produce mucus

Which structure is commonly known as the voicebox?

• Bronchi

• Trachea

• Larynx

• Pharynx

What is the function of the epiglottis?

• To sweep foreign matter out of the trachea

• To produce sound

• To cover the entrance of the larynx while swallowing

• To exchange oxygen and carbon dioxide

What is the purpose of the C-shaped rings of cartilage in the trachea?

• To trap dust and pollen

• To warm and moisten inhaled air

• To produce mucus

• To prevent crushing of the trachea

How many lobes does the right lung have?

• Four

• Three

• Two

• One

What is the function of the alveoli in the lungs?

• To produce mucus

• To exchange oxygen and carbon dioxide with the capillaries

• To warm and moisten inhaled air

• To carry air to the blood vessels

What is the normal respiration rate for someone 15 years or older?

• 20-25 breaths per minute

• 15-20 breaths per minute

• 10-15 breaths per minute

• 25-30 breaths per minute

Which vital sign is used to determine an individual's state of health?

• Temperature

• Pulse

• Respiration

• Blood pressure