Which of the Following Is True of the Bulk-Type Laxative

Which of the following is true of the bulk-type laxative drugs? Select all that apply.

A) The prototype is milk of magnesia.
B) They are contraindicated when the client has undiagnosed abdominal pain, suspected intestinal obstruction, or fecal impaction.
C) They must be taken with plenty of water, or they can cause an esophageal obstruction.
D) They work immediately after consumption.