The Respiratory System

Which organ system is responsible for taking in air and expelling it from the body?

• Digestive system

• Circulatory system

• Respiratory system

• Nervous system

What is exchanged between blood and air during gas exchange?

• Oxygen and nitrogen

• Oxygen and carbon dioxide

• Carbon dioxide and nitrogen

• Oxygen and hydrogen

What sense is associated with olfaction in the context of respiration?

• Taste

• Touch

• Smell

• Sight

Which process assists in urination, defecation, and childbirth?

• Gas exchange

• Blood filtration

• Expulsion of abdominal contents

• Olfaction

What is the function of the conducting zone in the respiratory system?

• Gas exchange

• Airflow only (no gas flow)

• Blood circulation

• Nutrient absorption

What is the primary role of the respiratory zone?

• Airflow only

• Gas exchange

• Blood filtration

• Nutrient absorption

What is the function of the olfactory epithelium?

• Involved in sense of taste

• Involved in sense of smell

• Involved in sense of touch

• Involved in sense of sight

What do immobile cilia in the olfactory epithelium bind?

• Dust particles

• Odorant molecules

• Water molecules

• Bacteria

Where is the nasopharynx located?

• Posterior to the larynx

• Posterior to nasal apertures and above the soft palate

• Between the soft palate and epiglottis

• From epiglottis to cricoid cartilage

What does the nasopharynx receive?

• Esophagus

• Palatine tonsils

• Auditory tubes and pharyngeal tonsil

• Cricoid cartilage