A home care nurse is caring for a client with complaints of epigastric discomfort who is scheduled for a barium swallow. Which statement by the client indicates an understanding of the test?A) "I'll take a laxative to clear my bowels before the test."
B) "I'll drink full liquids the day before the test."
C) "I'll avoid eating or drinking anything 6 to 8 hours before the test."
D) "There is no need for special preparation before the test."