Kaplan Nursing Entrance Exam Practice 2025 – Comprehensive Prep

Question: 1 / 2700

Which structure prevents choking by directing ingested materials into the esophagus?

Trachea

Pharynx

The pharynx plays a crucial role in the swallowing process by functioning as a passageway for both air and food. It directs ingested materials into the esophagus, which is the correct pathway for food to reach the stomach. As food is swallowed, the pharynx facilitates the closure of the airway to prevent food from entering the trachea, which leads to the lungs. This protective mechanism is vital for preventing choking, as it ensures that only air enters the trachea while food and liquids are directed into the esophagus. The separation of these pathways during swallowing underscores the importance of the pharynx in safely managing the flow of ingested materials.

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Bronchioles

Lungs

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