What is the primary function of the respiratory system?

• Gas conditioning

• Blood circulation

• Nutrient absorption

• Hormone regulation

Which of the following structures is part of the upper respiratory tract?

• Nose

• Bronchi

• Trachea

• Alveoli

What is the role of the olfactory system in the respiratory tract?

• Air conditioning

• Sound production

• Gas exchange

• Sense of smell

Which nerve innervates the external nose?

• Maxillary nerve (CN V2)

• Ophthalmic nerve (CN V1)

• Facial nerve (CN VII)

• Vagus nerve (CN X)

What is the function of the paranasal sinuses?

• Transport air

• Lighten the skull and resonate sound

• Produce hormones

• Facilitate gas exchange

Which artery supplies blood to the external nose?

• Maxillary artery

• Subclavian artery

• Ophthalmic artery

• Facial artery

What is the name of the space below each nasal conchae?

• Nasal cavity

• Sphenoethmoidal recess

• Pharyngeal recess

• Meatus nasi

Which part of the pharynx is located behind the oral cavity?

• Nasopharynx

• Oropharynx

• Laryngopharynx

• Esophagus

What is Waldeyer's ring?

• A nerve pathway

• A group of lymphoid tissues

• A type of respiratory muscle

• A blood vessel in the neck

Which of the following is NOT a function of the respiratory system?

• Sound production

• Nutrient absorption

• Defense against pathogens

• Gas conditioning