题目内容

单选Which of the following means normal breathing?( )

A. eupnea
B. apnea
C. bradypnea
D. dyspnea

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单选____ in the nasal cavity can increase the air turbulence

A. nasal conchae
B. nasal septum
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A. Trachea
B. Larynx
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单选____ is the location of the vocal cords

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单选____ covers the larynx and trachea during swallowing, which provides protection against food and liquid being inhaled into the lungs

A. Epiglottis
B. Glottis
C. Thyroid cartilage
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