Human Respiratory and Cardiovascular Systems
Authored by DR. MUTALIP
Biology
University
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65 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of the respiratory system?
Digest food
Filter blood
Exchange gases
Regulate temperature
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which structure is the site of gas exchange in the lungs?
Bronchi
Trachea
Bronchioles
Alveoli
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The upper respiratory tract includes all of the following EXCEPT:
Trachea
Nasal cavity
Pharynx
Larynx
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What prevents food from entering the trachea during swallowing?
Uvula
Epiglottis
Vocal cords
Larynx
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which muscle is primarily responsible for inspiration?
Alveoli
Diaphragm
Visceral pleura
Trachea
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of surfactant in the alveoli?
Transport CO₂
Reduce surface tension
Increase friction
Absorb oxygen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pleural membrane consists of:
One layer
Two layers
Three layers
No layers
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