The Nurse Teaches a Group of Staff Nurses About the Diagnosis

The nurse teaches a group of staff nurses about the diagnosis of irritable bowel syndrome. After the teaching session, an attending nurse is asked to determine the presence of lactose intolerance in a client with irritable bowel syndrome. Which intervention by the nurse indicates effective learning?

A) The nurse performs a complete blood analysis of the client.
B) The nurse performs a hydrogen breath test on the client.
C) The nurse performs a blood draw for culture and sensitivity.
D) The nurse performs testing on a stool sample for occult blood.