The epiglottis:
is located within the pleural cavities
is innervated by the phrenic nerve
Prevents food and water from getting into the respiratory passages
Is a tube that connects the pharynx and the middle ear
The Correct Answer is C
A. is located within the pleural cavities: it is part of the larynx, not the lungs.
B. is innervated by the phrenic nerve: phrenic nerve innervates the diaphragm, not the epiglottis.
C. Prevents food and water from getting into the respiratory passages: it acts as a flap that closes the trachea during swallowing.
D. Is a tube that connects the pharynx and the middle ear: that is the Eustachian tube.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. 90-95%: acceptable in some chronic conditions, but not the ideal normal.
B. 95-100%: this is the normal range for oxygen saturation in healthy adults.
C. 86-89%: indicates hypoxemia.
D. 80-85%: severely hypoxic, needs medical attention.
Correct Answer is B
Explanation
A. Bronchial tree, carina, apex: These refer to lower airway structures and lung anatomy, not the throat/voice box.
B. Larynx, pharynx, trachea: Larynx = voice box, Pharynx = throat, Trachea = windpipe.
C. Larynx, epiglottis, eustachian tube: The eustachian tube connects the middle ear to the throat; not part of respiratory naming here.
D. Larynx, vocal cords, trachea: Vocal cords are part of the larynx; pharynx (throat) is missing.
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