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Author5 Posts
  #1

A 3 year old boy with cystic fibrosis is evaluated for onset of uncontrollable nosebleed there is no family history of a bleeding disorder
a few large bruises are seen on the legs no other abnormalities are noted
prothrombin and partial thromboplastin times are prolonged
the patients abnormalities are likely to improve with treatment using a cofactor for which process ?

a.-craboxylation of prothrombin
b.-conversion of homocysteine to methionine
c.-farnesylation of ras
d.-hydroxylation
e.-phosphorylation of pyruvate dehydrogenase

  #2

A

Vit K deficiency


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  #3

there you go

A

  #4

a is right
wat abt hydroxylation of procollagen?

  #5

rn wrote:
a is right
wat abt hydroxylation of procollagen?


hydroxylation of procollagen requires Vit C, which is a water-solube vit and does not need pancreatic lipase (unlike Vit K.) to be absorbed. therefore in these kids only fat soluble vit.s (K.A.D.E) are missing.


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