When instructing a patient on collecting a stool sample, which of the following is a key point to emphasize to ensure an uncontaminated specimen?
The patient should collect as much fecal matter as possible to ensure enough sample volume for testing.
The patient should use a clean, dry container provided by the healthcare facility to directly collect the stool sample.
The patient should use toilet paper to transfer the stool sample into the collection container.
The patient should void urine before collecting the stool sample to avoid contamination.