Which of the following terms means normal breathing?
A) apnea
B) eupnea
C) orthopnea
D) dyspnea
B) eupnea
Eu- means normal and -pnea means breathing, so eupnea means normal breathing.
A- means without; therefore, apnea means not breathing. Orthopnea refers to the fact that the
person cannot breathe well when lying flat. Dys- means difficult, so dyspnea would be difficult
breathing.
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