The video tutorial explains the anatomy and functions of the human nose, highlighting its role in the olfactory and respiratory systems. It describes the nasal structure, including bones and cartilage, and details how the nose filters and conditions air. The tutorial also covers nasal defense mechanisms like hairs and cilia, and discusses common nasal conditions such as congestion and nosebleeds.

What is the primary function of the olfactory system?

• To humidify air

• To help in smelling

• To filter air

• To aid in breathing

Which part of the nose is responsible for filtering foreign particles?

• Nasal bones

• Lacrimal bones

• Anterior nasal spine

• Nasal hairs

What is the role of cilia in the nasal cavity?

• To detect smells

• To warm the air

• To draw mucus to the pharynx

• To produce mucus

What is a common symptom of nasal congestion?

• Increased sense of smell

• Nosebleed

• Difficulty in breathing

• Temporary loss of smell

Which of the following is a systemic factor that can cause nosebleeds?

• Hypertension

• Foreign bodies

• Nasal congestion

• Rhinitis