Which of the Following Represents the Correct Sequence of Steps

question 88

Multiple Choice

Which of the following represents the correct sequence of steps in deglutition?

• A) The tongue pushes the bolus back to the pharynx - the bolus moves into the esophagus - the larynx pushes up, causing the epiglottis to close over the glottis - peristalsis moves the bolus toward the stomach.
• B) The tongue pushes the bolus back to the pharynx - the larynx pushes up, causing the epiglottis to close over the glottis - the bolus moves into the esophagus - peristalsis moves the bolus toward the stomach.
• C) The larynx pushes up, causing the epiglottis to close over the glottis - the tongue pushes the bolus back to the pharynx - peristalsis moves the bolus toward the stomach - the bolus moves into the esophagus.
• D) The larynx pushes up, causing the epiglottis to close over the glottis - the tongue pushes the bolus back to the pharynx - the bolus moves into the esophagus - peristalsis moves the bolus toward the stomach.

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Definitions:

Chemoreceptors

Sensory receptor cells that respond to chemical stimuli from the environment or the bloodstream.

Nociceptors

Sensory receptors that respond to potentially damaging stimuli by sending signals to the brain, which results in the perception of pain.

Proprioceptors

Sensory receptors found in muscles, tendons, and joints that provide information about body position and movement.

Mechanoreceptors

Sensory receptors in the body that respond to mechanical pressure or distortion.