Respiratory Flashcards
(26 cards)
What is the primary function of the respiratory system?
To facilitate gas exchange, primarily oxygen and carbon dioxide.
True or False: The diaphragm is a muscle that assists in breathing.
True
Fill in the blank: The _____ is the main airway that leads to the lungs.
trachea
What are the two main parts of the respiratory system?
The upper respiratory tract and the lower respiratory tract.
Which structure prevents food from entering the trachea during swallowing?
The epiglottis.
What is the role of alveoli in the respiratory system?
Alveoli are the sites of gas exchange in the lungs.
Multiple Choice: Which of the following is NOT part of the upper respiratory tract? A) Nose B) Pharynx C) Lungs D) Larynx
C) Lungs
What is the purpose of surfactant in the lungs?
To reduce surface tension in the alveoli and prevent collapse.
True or False: The right lung has three lobes.
True
What is the term for the exchange of gases between the blood and body tissues?
Internal respiration.
Fill in the blank: The _____ is the structure that houses the vocal cords.
larynx
What is the normal respiratory rate for adults?
12 to 20 breaths per minute.
Multiple Choice: Which part of the brain regulates the respiratory rate? A) Cerebrum B) Cerebellum C) Medulla oblongata D) Thalamus
C) Medulla oblongata
What is the function of the cilia in the respiratory tract?
To trap and move particles out of the airways.
True or False: Oxygen is transported in the blood primarily as dissolved gas.
False
What is the name of the condition characterized by difficulty in breathing?
Dyspnea.
Fill in the blank: The _____ are the tiny air sacs in the lungs.
alveoli
What is the significance of the pleura in the respiratory system?
It provides lubrication and reduces friction between the lungs and chest wall.
Multiple Choice: Which gas is primarily responsible for stimulating the respiratory center? A) Oxygen B) Nitrogen C) Carbon Dioxide D) Helium
C) Carbon Dioxide
True or False: The left lung has two lobes.
True
What is the purpose of the respiratory system’s mucosal lining?
To humidify and filter incoming air.
Fill in the blank: The _____ process involves the movement of air into and out of the lungs.
ventilation
What is the term for the volume of air that remains in the lungs after maximal expiration?
Residual volume.
Multiple Choice: Which condition is characterized by chronic obstruction of lung airflow? A) Asthma B) COPD C) Pneumonia D) Tuberculosis
B) COPD
