What can suppress the defecation reflex?
a. Frequent episodes of diarrhea
b. Long-term use of vitamin A and vitamin B complex
c. Repeatedly ignoring the urge
d. Excessive fiber and bulk in the diet
ANS: C
Ignoring the urge to defecate repeatedly suppresses the urge and may destroy it completely.
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Fill in the blank(s) with the appropriate word(s).
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