3/18 Flashcards

1
Q

biochemistry in Huntingtons

A

gain of function mutation in CAG repeats that leads to deacetylation of histones

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2
Q

defective neurotransmitter in Alzeimers

A

acetylcholine in nucleus basalis

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3
Q

lab values in hypoaldosteronism

A
  • high sodium
  • low potassium
  • low bicarb (H+ is no longer secreted - metabolic acidosis)
  • high chloride to balance lost bicarb
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4
Q

triad in VIPoma

A
  • watery diarrhea (increase in cAMP)
  • hypokalemia (secretion of K)
  • achlorhydria (inhibits gastric acid secretion)
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5
Q

paraneoplastic syndrome in squamous cell carcinoma

A

PTHrP

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6
Q

ambiguous genitalia with maternal virilization

A

aromatase deficiency (to many androgens make it to mom)

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7
Q

reactions that require B6

A

transaminase (remember that thiamine is for transketolase)

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8
Q

hepatitis B replication

A
  • semi double stranded DNA to RNA - reverse transcription back to DNA
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9
Q

NK cells are activated by…..

A

gamma interferon and IL12

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10
Q

fibroblast migration and proliferation are controlled by….

A

PDGF and TGF-beta

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11
Q

poorly vascularized peripheral compartment

A

skeletal muscle, bone and fat

- for lipophilic drugs

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