The Respiratory System

What is the primary function of the epiglottis in the human body?

• To assist in vocalization

• To protect the airway from food and drink

• To aid in the digestion of food

• To support the structure of the trachea

Which type of cartilage is the epiglottis made of, and what is its unique property?

• Hyaline cartilage; reduces friction

• Elastic cartilage; retains shape

• Fibrocartilage; provides flexibility

• Calcified cartilage; provides rigidity

Identify the structure that separates the oral cavity from the nasal cavity.

• Tongue

• Larynx

• Palate

• Epiglottis

What is the role of the hyoid bone in the swallowing process?

• It vibrates to produce sound

• It supports the trachea

• It assists in pulling the epiglottis down

• It separates the nasal and oral cavities

Which part of the pharynx is in contact with the nasal cavity?

• Oropharynx

• Laryngopharynx

• Nasopharynx

• Trachea

What triggers the cough reflex when something goes down the "wrong tube"?

• The presence of air in the esophagus

• Neurons sensing non-air substances in the respiratory tract

• The contraction of the diaphragm

• The relaxation of the intercostal muscles

Which structure is commonly referred to as the "voice box"?

• Trachea

• Larynx

• Pharynx

• Esophagus

What is the main function of the trachea in the respiratory system?

• To produce sound

• To transport air to the lungs

• To digest food

• To filter blood

Why is the right primary bronchus more likely to receive foreign objects than the left?

• It is shorter and wider

• It is longer and narrower

• It has a greater angle due to the heart's position

• It is more flexible

What happens to the epiglottis when you are breathing?

• It closes the airway

• It opens to allow air passage

• It vibrates to produce sound

• It contracts to aid in swallowing