Which of the following changes occurs during defecation?
A) Internal anal sphincter is relaxed
B) External anal sphincter is contracted
C) Rectal smooth muscle is relaxed
D) Intra-abdominal pressure is lower than when at rest
E) Segmentation contractions predominate
Correct Answer:
Verified
Q7: Cholecystokinin (CCK) inhibits
A) gastric emptying
B) pancreatic
Q8: Which of the following abolishes "receptive relaxation"
Q9: Secretion of which of the following
Q10: Which of the following is the site
Q11: Micelle formation is necessary for the
Q13: Which of the following is characteristic
Q14: Which of the following substances is secreted
Q15: Which of the following is true
Q16: Which of the following substances must be
Q17: Slow waves in small intestinal smooth muscle
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