After Having an Enema Tube Inserted into the Rectum, a Patient

After having an enema tube inserted into the rectum, a patient begins to exhibit symptoms of a vagal response. A nurse should immediately do which of the following?

A) Place the patient in the supine position.
B) Remove the enema tube from the rectum.
C) Flush the colon with Kayexalate.
D) Administer a small dose of atropine.
E) Assess pulse rate, skin color, and whether the patient is diaphoretic.