Which of the following statements about sphincters is false?
A) When a sphincter relaxes,the passageway closes to prevent movement of GI contents.
B) Sphincters are important for controlling the flow of the contents through the GI tract.
C) Sphincters are thickened regions of circular muscle.
D) Sphincters are essential for normal digestion.
Correct Answer:
Verified
Q3: Which of the following statements is true?
A)After
Q4: Rose has a disease that destroyed her
Q5: The enzyme _ breaks the disaccharide maltose
Q6: The _ sphincter closes after a bolus
Q7: The process of digesting food begins in
Q9: Which of the following statements is true?
A)Heartburn
Q10: The _ sphincter is located between the
Q11: The _ is a flap-like piece of
Q12: Bernetta has an autoimmune disease that affects
Q13: When she sampled a spoonful of hot
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