An RN in a Medical Intensive Care Unit Is Leading

An RN in a medical intensive care unit is leading a research study regarding administration of probiotics to critically ill patients receiving antibiotic therapy. She provides education about normal flora and probiotics as part of the consent process to patients and families.
-Following the teaching to patients and families,the RN assesses understanding prior to obtaining consent.Which of the following demonstrates a lack of understanding by the patient?

A) Probiotics are live microorganisms.
B) Probiotics are nutrients to encourage microbe growth.
C) Probiotics augment the microbes in the intestine.
D) Probiotics can replace microbes killed during antibiotic therapy.