Vitamin

Question 1

iron fist bro

Answer 1

-
Iron Absorbed as Fe2 in duodenum.
Folate Absorbed in jejunum
B12 Absorbed in terminal ileum // need IF.

Question 2

Small intestinal bacterial overgrowth (SIBO) is characterized by ?
Roux-en-Y gastric bypass…

Answer 2

-
overproduction off vitamin K and folate.
associated with nausea, bloating, abdominal discomfort, and malabsorption.

Question 3

The most sensitive strategy to diagnosis malabsorption ?

Answer 3

-
Sudan lll stain !

• Stool should normally contain no measurable fat !!

Question 4

The most severity affected macronutrient in generalized malabsorption ?

Answer 4

-

Fats

Question 5

Lactose intolerance !!

Answer 5

-
Decreased function of the lactase enzyme

• abdominal distension and diarrhea
•⬇️ stool PH consumption of milk product
• increased breath hydrogen content 
• elevated stool osmolality/ 
( osmotic diarrhea.)

• congenital
(Rare autosomal recessive disorder)
• acquired ( Common develops late childhood)
• temporary deficiency is seen after small bowel infection .

• microscopic examination of the bowel mucosa in lactase-deficient patients has (((( normal intestinal mucosa ))))

Question 6

Clinical presentation of Celiac disease ?

Answer 6

- 
Children 
• abdominal distension
• diarrhea 
• failure to thrive !!!!
Adults 
• ghronic diarrhea and bloating.

•• dermatitis herpetiformis
Due to lgA deposition at the tips of dermal papillae // resolves with gluten-
free diet.