L43. Liver and Pancreas Flashcards

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1
Q

What proportion of the pancreas is exocrine?

A

99%

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2
Q

What proportion of the pancreas is endocrine?

A

1%

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3
Q

What is present in the exocrine portion of the pancreas?

A

many digestive enzymes

bicarbonate ions

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4
Q

What is present in the endocrine portion of the pancreas?

A

Islets of Langerhans
Hormones
insulin, glucagon, somatostatin

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5
Q

Name the regions of the pancreas.

A

Head neck, body, tail

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6
Q

What runs through the pancreas?

A

Pancreatic duct

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7
Q

Which cells produce glucagon?

A

Alpha cells

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8
Q

Which cells produce insulin?

A

Beta cells

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9
Q

Which cells produce somatostatin?

A

Delta cells

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10
Q

The exocrine portion of the pancreas is linked to which condition?

A

Cystic fibrosis - thick secretions

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11
Q

Give 2 uses for the liver.

A

Metabolism - storage of glycogen, release of glucose

Inactivation of drugs

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12
Q

Which ligament runs between the left and right lobe of the liver?

A

Falciform ligament

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13
Q

What are liver cells called?

A

Hepatocytes

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14
Q

Where is bile produced?

A

In the liver

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15
Q

Where is bile stored?

A

Gall bladder

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16
Q

What is bilirubin

A

A waste product in bile

17
Q

What does the hepatic portal vein do?

A

Drains unpaired organs

Almost all GIT material enters the HPV and is passed though the liver.

18
Q

What is the liver lobule made from?

A

It is made up of the “portal triad”
portal vein
hepatic artery
bile canaliculus

19
Q

Name the 2 structures for liver blood supply

A

Hepatic artery

Hepatic portal vein

20
Q

Name 2 liver conditions

A

Hepatomegaly

Cirrhosis

21
Q

What is liver cirrhosis?

A

Long term liver damage

22
Q

What is hepatomegaly?

A

Abnormal liver enlargement