A & P III Exams Flashcards
(237 cards)
Diagnosing Carcinoid Tumors
Elevated urinary 5-HIAA
How does H. Pylori cause its damage to the gastric mucosa? (short answer)
Has high Urease activity and converts urea to NH3 which damages the gastric mucosa
Liver oxygen % for Artery and Vein
50:50
What viral hepatitis has the highest pregnancy mortality?
HEV
Zollinger-Ellison syndrome (gastrinoma) is an excessive production of
Gastrin
How do you know if someone has vaccination/immunity to HBV?
Antibody HBsAb
What is the MOA of droperidol?
dopamine blocker
What is the MOA of Zofran?
Serotonin/5-HT3 blocker
What is the MOA of omeprazole?
PPI/H+/K+ ATPase blocker; blocks secretion of H+
Ascites is caused by increased:
portal vein pressure (“portal hypertension”
Defective uptake of bilirubin causes hyperbilirubiemia: What is the name of the syndrome?
Gilbert Syndrome
What Lab is the best indicator for biliary obstruction?
Alkaline Phosphatase
What is the incubation period of Hep A?
3 weeks
What is the normal blood flow of the portal vein?
1300ml/min Total = ~1800ml/min
What is the normal blood flow of the hepatic artery?
500ml/min Total = 1800ml/min
Chief cells produce =
pepsinogen
Physiologic Jaundice is the presence of increased levels of
unconjugated bilirubin
What has an increased risk of colon cancer? UC, Crohn’s, Both, or None
UC
Colorectal fissure and abscess is associated with? UC, Crohn’s, Both, or None
Crohn’s Disease
Hemolysis =
Prehepatic / Unconjugated (free) Bilirubin
Most common cause of hepatitis in USA?
Alcoholic
Patient presenting with L Iliac pain, 3 days of S&S, 100F fever; WWBC ~14,000. Diagnosis?
Acute diverticulitis
A patient with a recent gastrectomy is expected to have pernicious anemia due to what?
Defective Vit B12 absorption
Vit B12 absorption is dependent on:
intrinsic Factor