Which of the Following Occult Blood Tests Does Not Require

question 17

Multiple Choice

Which of the following occult blood tests does not require a restrictive diet prior to testing because it uses an antibody-antigen reaction to detect human blood rather than the guaiac methods, which detect any blood (i.e., red meat in the stool) ?

• A) Colocare method with testing sheets placed in the toilet after three separate bowel movements to be read within 30 seconds and recorded as positive or negative
• B) iFOB method using a sampling probe that is placed in a solution and sent back to the lab for testing
• C) Coloscreen III method that applies three separate fecal samples onto three testing cards that are then returned to the lab for testing
• D) All the occult blood tests restrict the eating of red meat before and during the testing period.

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