Chapter 22
Breathing Basics Quiz
Test your knowledge of the respiratory system with our engaging quiz! Dive into the mechanics of breathing, gas exchange, and the structures involved in respiration.
Whether you're a student or just curious about how our lungs work, this quiz is for you!
- Multiple choice questions
- Learn interesting facts
- Perfect for students and educators alike
Air moves into the lungs because __________.
The thorax is muscular
Contraction of the diaphragm decreases the volume of the pleural cavity
The volume of the lungs decreases with inspiration
The gas pressure in the lungs becomes lower than the outside pressure as the diaphragm contracts
The internal intercostal muscles decrease the thoracic cavity volume
The elastic cartilage that shields the opening to the larynx during swallowing is the __________.
Epiglottis
Corniculate cartilage
Cuneiform cartilage
Thyroid cartilage
Cricoid cartilage
The movement of air into and out of the lungs is called __________.
External respiration
Cellular respiration
Oxidative phosphorylation
Pulmonary ventilation
Internal respiration
Which respiratory measurement is normally the greatest?
Expiratory reserve volume
Vital capacity
Tidal volume
Inspiratory capacity
Residual volume
Which respiratory structure has the smallest diameter?
Larynx
Pharynx
Bronchiole
Secondary bronchi
Trachea
Which of the following is NOT a function of the conducting zone?
Transport of air
Warming of air
Mucous secretion
Cleansing of air
Gas exchange
Transpulmonary pressure is :
4mmHg
-4mmHg
760mmHg
756mmHg
The transpulmonary pressure is the difference between the __________ and the __________ pressure.
Atmospheric; intrapulmonary
Atmospheric; intrapleural
Intrapleural; alveolar
Intrapleural;intra-alveolar
Which two structures does the trachea lead to in the lungs?
The bronchi
The bronchioles
The pleural membranes
What are the tiny air sacs in the lungs called?
Alveoli
Bronchioles
Capillaries
What happens when we exhale (breathe out)?
The diaphragm contracts and moves upwards
The diaphragm relaxes and moves downwards
The diaphragm relaxes and moves upwards
What happens during gas exchange in the lungs?
Oxygen passes into the blood and carbon dioxide passes out of the blood
Oxygen passes out of the blood and carbon dioxide passes into the blood
Oxygen and carbon dioxide pass into the blood
What happens when we inhale (breathe in)?
The internal intercostal muscles contract and the ribcage is pulled upward.
The external intercostal muscles contract and the ribcage is pulled upwards
The external intercostal muscles contract and the ribcage is pulled downward
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