False statement regarding Schilling test is:
Correct Answer: Abnormal test rules out primary intestinal malabsorption
Description: Schilling test - its test useful in diagnosis of etiology of vitamin B12 deficiency This test is divided into 2 main stages Stages Steps Result Stage 1 Oral radiolabeled vitamin B12 is given followed by unlabeled IM VITAMIN B12 A 24-hour urine collection monitors the absorption and the excretion Normal finding:-Excreting- 8 to 40% of radioactive vitamin B12 Abnormal:-any defect in absorption at terminal ileum Do Stage 2 Stage 2 Stage 1 is repeated along with an oral dose of intrinic factor 24 hour urine collection monitors the absorption and the excretion Normal urine excretion means Pernicious anemia If abnormal:- Fuher testing for cause cause:- crohn's disease Small bowel bacterial overgrowth syndrome Diphyllobothrium latum infection
Category:
Biochemistry
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now