Q:

The cells of the liver

safaTerkawi
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2022-08-09
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 The cells of the liver.

  1. Help to maintain the normal blood glucose level.
  2. Deaminate amino acids to form NH4 + which is excreted as ammonium salts in the urine.
  3. Synthesize Vitamin D3 (cholecalciferol).
  4. Manufacture most of the immune globulins.
  5. Inactivate steroid hormones manufactured in the gonads.
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safaTerkawi
2022-08-09
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A. True When blood glucose falls, liver glycogen is broken down to form glucose; when glucose levels rise above normal, glucose is taken up by the liver and stored as liver glycogen.

B. False The NH4 + is converted into urea and excreted in the urine; NH4 + is toxic.

C. False Cholecalciferol in produced in skin by the action of sunlight; the liver converts it to 25-hydroxycholecalciferol and the kidney completes its activation by further hydroxylation.

D. False They manufacture most of the plasma proteins but lymphocytes manufacture immune globulins.

E. True The failure to inactivate oestrogens in men with liver failure can lead to breast enlargement.

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