Welcome to the Quiz!
This quiz contains 9 questions from a mix of 1 subtopics.
What is ventilation?
breathing out only
none of the above
breathing in and out
breathing in only
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Where are the lungs located?
in the cranial cavity
in the abdominal cavity
in the pelvic cavity
in the thoracic cavity
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How do the muscles attached to the ribcage control ventilation?
by changing the volume of the pelvic cavity
by changing the volume of the cranial cavity
by changing the volume of the thoracic cavity
by changing the volume of the abdominal cavity
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Which of the following is NOT one of the main sets of muscles that act on the ribcage?
the abdominal muscles
the internal intercostal muscles
the external intercostal muscles
the diaphragm
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Which muscles contract to expand the ribcage during inspiration?
the internal intercostal muscles
neither the external nor internal intercostal muscles
the external intercostal muscles
both the external and internal intercostal muscles
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Is inspiration an active or passive process?
active
neither active nor passive
passive
both active and passive
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During inspiration, what happens to the volume of the thoracic cavity?
it decreases
it increases
it stays the same
it fluctuates
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During inspiration, what happens to the lung pressure?
it increases above atmospheric pressure
it stays the same as atmospheric pressure
it fluctuates around atmospheric pressure
it decreases below atmospheric pressure
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During expiration, what happens to the lung pressure?
it stays the same as atmospheric pressure
it decreases below atmospheric pressure
it fluctuates around atmospheric pressure
it increases above atmospheric pressure
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