Respiratory System

True or False: The sense of smell is known as olfaction.

• True
• False

True or False: The nasal cavity is divided into two halves by the nasal septum.

• True
• False

True or False: Inflammation of the sinuses is called sinusitis.

• True
• False

Gas exchange takes place in the _____________________ of the lung.

• A alveoli
• B trachea
• C bronchi
• D concha

One liter of blood can carry about ___________________ mL of oxygen.

• A 300
• B 400
• C 200
• D 100

Which of the following is a broad skeletal muscle that covers the thoracic cavity from below and assists in respiration?

• A Platysma
• B Trapezius
• C Diaphragm
• D Intercostal muscles

When lung volume increases, the pressure inside decreases. This leads to:

• A Respiration
• B Inspiration
• C Expiration
• D Coughing

Which one of the following is a passive process?

• A Respiration
• B Inspiration
• C Expiration
• D Coughing

The right lung has three lobes. How many does the left lung have?

• A 1
• B 2
• C 3
• D 4

The space between the two lungs is called:

• A Pericardial space
• B Intercostal space
• C Parietal pleural
• D Mediastinum