Respiratory system

Which of the following is the main function of the respiratory system?

• Obtains oxygen and remove carbon dioxide from the body

• Transports oxygen and nutrients to the body cells

• Protects the body from invading organisms

Which of the following is the correct pattern of airflow inhalation?

• NASAL CAVITY-PHARYNX-TRACHEA-BRONCHI-BRONCHIOLES-LUNGS

• NASAL CAVITY-PHARYNX-ALVEOLI-BRONCHI-BRONCHIOLES-LUNGS

• NASAL CAVITY-THROAT-LARYNX-WINDPIPE-BRONCHI-LUNGS

Which of the following is the main muscle for breathing?

• Intercostal Muscle

• Diaphragm

• Sternocleidomastoid

Aside from being part of the respiratory way, what is the other function of the larynx?

• It has a small tissue called epiglottis that directs the food to the esophagus.

• It contains the tissues where the gas exchange happens.

• It contains the vocal cord that allows the body to produce sound.

What is the anatomically correct name of the windpipe?

• Pharynx

• Larynx

• Trachea

Which of the following is the function of alveoli in respiration?

• Helping the lungs to stay inflated

• Gaseous exchange

• Relaxation

Which of the following structures is NOT part of the upper respiratory tract?

• lungs

• epiglottis

• pneumothorax

Ventilation (breathing) is a regular, rhythmic process which:

• moves air into and out of the lungs

• protects the airways by clearing them of mucus or irritants

• moves gases from an area of high concentration to an area of lower concentration

Living cells need a continuous supply of oxygen

• FACT

• BLUFF

The two openings of the airway (the nasal cavity and the mouth) meet at the larynx

• FACT

• BLUFF