Multiple Choice
Which statement is NOT true of the defecation reflex?
A) Voluntary control is provided by the external anal sphincter.
B) The internal anal sphincter contracts.
C) The reflex is integrated in the spinal cord.
D) The reflex is stimulated when feces stretch the rectum.
Correct Answer:

Verified
Correct Answer:
Verified
Q133: The part of saliva that dissolves food
Q134: The _ colon turns inferiorly at the
Q135: The common bile duct opens into the
Q136: Which of these organs is NOT an
Q137: The liver synthesizes the nonessential amino acids
Q139: The digestive processes take place within organs
Q140: Which statement is NOT true of swallowing?<br>A)The
Q141: The part of a tooth that provides
Q142: Which of these cranial nerves is NOT
Q143: Hydrochloric acid from the stomach is neutralized