Which of the Following Statements Is True About GI Muscle

question 14

Multiple Choice

Which of the following statements is true about GI muscle contractions?

• A) Phasic contractions last only seconds and occur in the stomach and small intestine.
• B) Tonic contractions are sustained for minutes and occur in the small intestine.
• C) Cycles of smooth muscle contraction and relaxation are associated with fast wave potentials.
• D) Contractions of the smooth muscle do not depend on calcium.
• E) None of these statements are true.

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