Which of the following structures prevents food from being aspirated into the lungs?.
Larynx.
Trachea.
Epiglottis.
Pharynx.
The Correct Answer is C
The correct answer is Choice C. -
Choice A rationale:
The larynx is part of the airway but does not prevent aspiration. -
Choice B rationale:
The trachea is the airway leading to the lungs but does not prevent aspiration. -
Choice C rationale:
The epiglottis is a flap of tissue that covers the airway during swallowing, preventing food from entering the lungs. -
Choice D rationale:
The pharynx is part of the throat but does not prevent aspiration.
So, the correct answer is C, after analyzing all choices.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
While the nasopharynx does play a role in warming and moistening inspired air, this is not its primary function.
Choice B rationale:
The nasopharynx does not primarily filter dust. This function is mainly performed by the nasal cavity and the hairs within the nostrils.
Choice C rationale:
The nasopharynx provides openings for the right and left Eustachian tubes. These tubes connect the middle ear to the nasopharynx and help equalize air pressure on either side of the eardrum.
Choice D rationale:
The nasopharynx does not contain olfactory receptors responsible for the sense of smell. These receptors are located in the nasal cavity.
Correct Answer is C
Explanation
The correct answer is Choice C.
Choice A rationale:
Nerves are responsible for transmitting signals between different parts of the body, not for connecting muscles to bones.
Choice B rationale:
Ligaments connect bone to bone at a joint, not muscle to bone.
Choice C rationale:
Tendons are the connective tissue that attaches muscle to bone.
Choice D rationale:
Cartilage is a flexible connective tissue found in various parts of the body, but it does not connect muscles to bones.
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