Anatomy & Physiology
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Which of the following pairs of organs is primarily involved in the voluntary phase of swallowing?
Which of the following structures bends over the trachea during the swallowing process and helps the food bolus glide over to the esophagus?
Which sphincter opens to allow food to enter from the esophagus to the stomach?
Which type of movement in the intestine involves alternating contraction and relaxation of single segments?
You and your friend are at a birthday party, and your friend is enjoying a slice of cake with frosting. Suddenly, they burst out laughing while taking a bite of the cake. As they laugh, some of the frosting ends up on their nose. Which of the following could have possibly happened?
John is scheduled to undergo surgery tomorrow morning to repair a torn ligament in his knee. He's been preparing for the procedure for weeks, but he's feeling a bit nervous about the fasting requirement he was instructed to follow before surgery. Why are patients like John advised not to eat or drink anything for at least 12 hours before undergoing surgery?