The Liver: Part II Flashcards

0
Q

The Pancreas

A
  1. Produces enzymes (exocrine) and hormones (endocrine) that assist in the digestive process
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1
Q

The Gallbladder

A
  1. Stores and concentrates bile
    - stores about 90 mL of bile
    - Dissolves fats for easy absorption
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2
Q

The Pancreas

-Exocrine Function

A
  1. Exocrine pancreas secretes enzymes and alkaline fluids into the pancreatic duct
  2. Produces 1 to 1.5L of pancreatic juice per day
  3. Lipase promotes breakdown of fats
  4. Amylase promotes carbohydrate breakdown
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3
Q

What two things are ordered to keep a Pt’s GI system completely at Rest?

A
  1. Keep patient NPO

2. NG Tube insertion to Intermittent wall suction

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4
Q

The Pancreas

-Endocrine Function

A
  1. Endocrine pancreas secretes insulin and glucagon
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5
Q

The Pancreas

-Endocrine: Insulin

A
  1. Protein hormone that promotes the storage and utilization of food
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6
Q

The Pancreas

-Endocrine: Glucagon

A
  1. Stimulates glucogenolysis in the liver

- Promotes breakdown of muscles

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7
Q

What Happens If the Liver Fails?

-Detoxificaion

A
  1. Decrease in detoxification reactions
    - Resulting in accumulation of toxic substances in the blood
    - Can lead to hepatic encephalopathy
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8
Q

What Happens If the Liver Fails?

-Gluconeogenesis

A
  1. Decrease in gluconeogenesis

- can cause fasting hypoglycemia

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9
Q

What Happens If the Liver Fails?

-Protein Production

A
  1. Decrease in protein production
    - Can decrease clotting factor production
    - increasing the risk of bleeding
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10
Q

What Happens If the Liver Fails?

-Bilirubin

A
  1. Failure of the liver to secrete conjugated bilirubin or failure to conjugate it
    - Can cause JAUNDICE
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11
Q

Glucagon

A
  1. Produced in pancreas but acts in the liver
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12
Q

Jaundice

-Increased Lysis of RBC’s

A
  1. PreHepatic

27 minutes **TEST

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13
Q

Portal Hypertension

-Esophageal Varices **TEST

A
  1. The rational for esophageal Varices is portal hypertension
    - Portal hypertension causes blood to back up into esophagus

(Varices are engorged veins)

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14
Q

Portal Hypertension

-Hepatic Vein Post-hepatic Problems

A
  1. Right sided heart failure
  2. Cardiomyopathy
  3. Constrictive pericarditis
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15
Q

Liver Function Tests (LFT’s)

-Mark of Injury to Hepatocytes

A
  1. AST
  2. ALT
    - Both are ELEVATED
16
Q

Liver Function Tests

-Mark of Injury to the Bile Ducts

A
  1. Elevated Alkaline Phosphatase
17
Q

Liver Function Tests

-Elevated AST, ALT, Alkaline Phosphatase?

A
  1. Means that there is already liver damage