Gastro

Question 1

Pernicious anemia (MOA)

Answer 1

Cell mediated destruction (CD4) of parietal cell in the SUPERFICIAL UPPER glandular layer of the gastric BODY and FUNDUS

Question 2

Parietal cells fuction:

Answer 2

Secretion of HCL and intrinsic factor

Question 3

Intrinsic factor fuction

Answer 3

Helps with the absorption of vitamin B12

Question 4

Duodenal atresia (MOA) and syndrome associated w:

Answer 4

Failure of recanalization within the intestine (double bubble sign), bilious emesis.

Associated with Down syndrome

Question 5

Pyloric stenosis (MOA and symptoms)

Answer 5

Caused by hypertrophy of the pylorus
At age of 3-6 w with forceful non bilious emesis

Question 6

In weight loss (caloric restriction)(hormone levels)

Answer 6

Ghrelin increase
Leptin decrease
Insulin levels falls

Question 7

The inferior epigastric is a branch of :

Answer 7

External iliac Artery. And it provides blood to the lower anterior abdominal wall