Occult blood and pregnancy testing questions and answers
2023 with complete solution
How is Fecal Occult Blood defined?
defined as presence of hidden or unseen blood in the stool which can be detected by
performing the fecal occult blood test
How can fecal occult blood identified when in large amounts?
macroscopically
How do you identify lower GI tract bleeding?
bright red blood that coats the surface of the stool
How can you identify upper GI tract bleeding?
dark red or mahogany
What is the Fecal Occult Blood test used for?
to detect occult blood in the stool for detecting and localizing diseases of the GI tract
What is fecal blood a frequent and early symptom of?
Colorectal cancer
Colorectal cancer is what percentage of GI tract cancers?
15 - 35% mortality rate
What must you instruct the patient concerning their diet for the test?
be meat free and vegetable with peroxidase activity (Vit C) for 3 days before the test
what is good for bowel movement?
high fiber diet
How many cards do you give the patient?
3 cards. one for each day
What is an aliquot?
a small sample
Where does the patient take a sample of their from?
center of the stool
What should be avoided when collecting a sample?
contamination
How big of a smear do you place on the test card?
Thin smear from two separate areas of the stool
How do you test for blood?
Apply two drops of the developer to the back side of the card
What indicates a positive test result?
a blue color
How much blood is the test kit designed to pick up?
5 - 10 ml
What amount of blood is an important sign of GI disease?
2.8 ml
How many times must the test be repeated before it is valid?
3 - 6 times
What does the Fecal Occult Blood Test not do?
Pinpoint actual site of the bleeding nor is it conclusive or diagnostic test
when the sample is gathered how long do you have to test it?
2023 with complete solution
How is Fecal Occult Blood defined?
defined as presence of hidden or unseen blood in the stool which can be detected by
performing the fecal occult blood test
How can fecal occult blood identified when in large amounts?
macroscopically
How do you identify lower GI tract bleeding?
bright red blood that coats the surface of the stool
How can you identify upper GI tract bleeding?
dark red or mahogany
What is the Fecal Occult Blood test used for?
to detect occult blood in the stool for detecting and localizing diseases of the GI tract
What is fecal blood a frequent and early symptom of?
Colorectal cancer
Colorectal cancer is what percentage of GI tract cancers?
15 - 35% mortality rate
What must you instruct the patient concerning their diet for the test?
be meat free and vegetable with peroxidase activity (Vit C) for 3 days before the test
what is good for bowel movement?
high fiber diet
How many cards do you give the patient?
3 cards. one for each day
What is an aliquot?
a small sample
Where does the patient take a sample of their from?
center of the stool
What should be avoided when collecting a sample?
contamination
How big of a smear do you place on the test card?
Thin smear from two separate areas of the stool
How do you test for blood?
Apply two drops of the developer to the back side of the card
What indicates a positive test result?
a blue color
How much blood is the test kit designed to pick up?
5 - 10 ml
What amount of blood is an important sign of GI disease?
2.8 ml
How many times must the test be repeated before it is valid?
3 - 6 times
What does the Fecal Occult Blood Test not do?
Pinpoint actual site of the bleeding nor is it conclusive or diagnostic test
when the sample is gathered how long do you have to test it?
