19 Questions
What is the function of the alveolus?
To exchange oxygen and carbon dioxide with the bloodstream
Which of the following is included in the upper respiratory tract (URT)?
Nasal passages
Where does the respiratory zone extend to in the lungs?
Alveoli
What does the conducting zone of the respiratory system include?
Nasal passages
What is necessary for respiration to occur?
Adequate supply of oxygen and elimination of carbon dioxide
Which major respiratory organ is responsible for vocalization?
Larynx
What is the predominant function of the alveoli?
Gaseous exchange
In which part of the respiratory system does cartilage decrease and smooth muscle increase?
Respiratory bronchioles
What is the primary function of the conducting zone of the respiratory system?
Passage of gases to and from the alveoli
Which structure divides into two primary bronchi at the carina?
Trachea
What is the function of the pharynx in the respiratory system?
Passage between nasal cavities and larynx
What is the role of alveolar macrophages in the respiratory system?
Phagocytosis of small particles and micro-organisms
Which group of neurons send signals to the diaphragm via the phrenic nerve?
Inspiratory group of neurons
What is the main stimulus for the peripheral chemoreceptors to influence the rate and depth of breathing?
Low arterial O2 levels
Which part of the brain is responsible for voluntary control of breathing?
Cerebral cortex
What is the primary role of the external intercostal muscles in respiration?
Assisting with inhalation
Which factor primarily influences reflex activity in response to irritants or lung inflation?
Strong emotions and pain
What is the role of central chemoreceptors in regulating respiration?
Responding to high arterial CO2 levels
Which stimuli cause the peripheral chemoreceptors to become a major influence on the rate and depth of breathing?
Low arterial CO2 levels
Test your knowledge on the structure and function of the respiratory system, including the function of the alveolus and control of respiration. This quiz is based on the learning outcomes from Week 12 lecture of Foundations for Physiotherapy Practice at University of Hertfordshire.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
