Biochem diseases Flashcards

1
Q

what problems does alcohol toxicity cause

A
inc NADH/NAD+:
lactic acidosis
fasting hypoglycemia
hepatosteatosis
ketoacidosis
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2
Q

arsenic blocks

A

lipoic acid - involved in pyruvate dehydrogenase and akg dehydrogenase

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3
Q

symptoms of pyruvate dehydrogenase deficiency

A

inc alanine

lactic acidosis

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4
Q

treatment for PD deficiency

A

only ketogenic aminoacids - lysine and leucine

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5
Q

symptoms of methylmalonic acidemia

A

anion gap acidosis
ketosis
hypoglycemia

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6
Q

electron chain inhibitors

A

rotenone
cyanide
CO
antimycin A

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7
Q

what blocks ATP synthase directly

A

oligomycin

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8
Q

name some uncoupling agents

A

2,4 dinitrophenol
aspirin
thermogenin

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9
Q

what is deficient when someone has benign fructose in their blood and urine

A

fuctokinase

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10
Q

baby develops hypoglycemia, jaundice and vomiting after eating fruit for the first time

A

fructose intolerance

aldolase B deficient

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11
Q

treatment for aldolase B deficiency

A

dec fructose and sucrose in diet

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12
Q

galactose kinase deficiency symptoms

A

cataracts - no social smile, cant track objects

build up of galactitol

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13
Q

what is deficient in classic galactosemia

A

GIP UT

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14
Q

what infection are babies with G1P UT prone to

A

ecoli sepsis

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15
Q

treatment for G1P UT deficiency

A

decrease galactose and lactose

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16
Q

symptoms of arginase deficiency

A

spasticity similar to cerebral palsy

17
Q

treatment for hyperammonemia

A

lactulose
rifaximin
benzoate
phenylbutyrate

18
Q

symptoms of n acetyl glutamate synthase deficiency

A

hyperammonemia

poor respiration, temperature control, feeding

19
Q

OTC deficiency symptoms

A

increased orotic acid
decreased BUN
hyperammonemia

20
Q

how does OTC deficiency differ from orotic aciduria

A

no megaloblastic anemia

21
Q

treatment for both types of PKU

A

increase tyrosine and BH4

decrease phenylalanine

22
Q

maple syrup urine disease what is deficient

A

alpha ketoacid dehydrogenase

23
Q

what is the treatment for maple syrup urine disease

A

decrease isoleucine, leucine, valine

increase thiamine

24
Q

what is deficient in alkaptonuria

A

homogentisate oxidase

25
Q

treatment for cystathione synthase deficient homocystinuria

A

decrease methionine

increase cysteine, B12, folate

26
Q

treatment for homocysteine methyltransferase deficient homocystinuria

A

increase methionine

27
Q

how do you treat cystinuria

A

alkalinization of the urine with citrate or acetazolamide

28
Q

two causes of hypoketotic hypoglycemia

A

carnitine deficiency

MCAD deficiency

29
Q

what is deficient in hyperchylomicronemia

A

lipoprotein lipase or CII

30
Q

what is the issue in hypertriglyceridemia

A

increase VLDL production
acute pancreatitis

associated with TG deficiency

31
Q

what does homogentisate oxidase normally convert

A

tyrosine to fumarate