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Exercise Quizzes
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1What is the function of breathing?


2Air moves from areas of high pressure to areas of low pressure.
A)True
B)False


3What is the flow of pathway of air in the respiration system using these structures? lungs trachea nasal cavity bronchi pharynx bronchioles larynx alveoli nostrils


4You inhale by expanding your lungs, which creates positive pressure in your lungs.
A)True
B)False


5What is the role of the diaphragm in inhalation?


6What is the role of the diaphragm in exhalation?


7______________ are located between your ribs and they help expand the chest during inspiration.


8The diaphragm and intercostals muscles are skeletal muscles. Why don’t you consciously think about breathing?


9Define tidal volume.


10Define vital capacity.


11How does residual volume differ from expiratory reserve volume?


12What is the formula for IRV (inspiratory reserve volume)?


13Vital capacity varies with a person's age, weight, and health.
A)True
B)False


14When you hyperventilate, the CO2 concentration in your blood increases.
A)True
B)False


15Which of the lung volumes changes with exercise?
A)IRV
B)RV
C)ERV
D)TV


16In a person with ________, airways are inflamed due to irritation and bronchioles are constricted due to muscle spasms.
A)asthma
B)bronchitis
C)emphysema
D)pulmonary tuberculosis


17In a person with ________, alveoli burst and fuse into enlarged air spaces, resulting in reduced surface area and gas exchange.
A)asthma
B)bronchitis
C)emphysema
D)pulmonary tuberculosis


18What are several factors that cause a change in the breathing rate?





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