GI BLEEDING EXAM QUESTIONS WITH COMPLETE
SOLUTIONS GUARANTEED PASS
You are treating an 80 you male in whom you suspect a lower
GI bleed. Which of these following statements is TRUE
regarding the guaiac test?
A. A false positive may be caused by ingestion of magnesium
containing antacids
B. A false negative may be caused by the presence of
chlorophyll
C. A false positive may be caused by the presence of
methylene blue
D. A false negative may be caused by the presence of
bromide preparations - ANSWER ->The answer is C. Red fruits
or meats, methylene blue, chlorophyll, iodide, cupric sulfate
and bromide preparations can cause a false positive guaiac test.
A false negative guaiac test can be caused by bile or ingestion
, of magnesium-containing antacids or ascorbic acid. Red Jell-O,
tomato sauce, wine, iron therapy and Pepto-Bismol may cause
the stool to look bloody when it is not.
A 20-year-old man presents to the emergency department with
1 week of intermittent bloody bowel movements associated
with crampy abdominal pain, tenesmus, and fecal urgency. He
is previously healthy. He is not on medications; nor has he
recently traveled. What test will most likely confirm his
diagnosis?
A. a workup for a bleeding diathesis
B. colonoscopy to rule out inflammatory bowel disease
C. barium enema to rule out intussusception
D. stool culture to rule out invasive bacterial diarrhea ANSWER-
>The answer is B. This patient will need a colonoscopy with
intestinal biopsy to evaluate for inflammatory bowel disease
such as ulcerative colitis and Crohn's disease or other causes
SOLUTIONS GUARANTEED PASS
You are treating an 80 you male in whom you suspect a lower
GI bleed. Which of these following statements is TRUE
regarding the guaiac test?
A. A false positive may be caused by ingestion of magnesium
containing antacids
B. A false negative may be caused by the presence of
chlorophyll
C. A false positive may be caused by the presence of
methylene blue
D. A false negative may be caused by the presence of
bromide preparations - ANSWER ->The answer is C. Red fruits
or meats, methylene blue, chlorophyll, iodide, cupric sulfate
and bromide preparations can cause a false positive guaiac test.
A false negative guaiac test can be caused by bile or ingestion
, of magnesium-containing antacids or ascorbic acid. Red Jell-O,
tomato sauce, wine, iron therapy and Pepto-Bismol may cause
the stool to look bloody when it is not.
A 20-year-old man presents to the emergency department with
1 week of intermittent bloody bowel movements associated
with crampy abdominal pain, tenesmus, and fecal urgency. He
is previously healthy. He is not on medications; nor has he
recently traveled. What test will most likely confirm his
diagnosis?
A. a workup for a bleeding diathesis
B. colonoscopy to rule out inflammatory bowel disease
C. barium enema to rule out intussusception
D. stool culture to rule out invasive bacterial diarrhea ANSWER-
>The answer is B. This patient will need a colonoscopy with
intestinal biopsy to evaluate for inflammatory bowel disease
such as ulcerative colitis and Crohn's disease or other causes
