Vitamin B1 (Thiamine) Flashcards

1
Q

Active form of vitamin B1 is ___________ (thiamine pyrophosphate/thiamine monophosphate)

A

thiamine pyrophosphate

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2
Q

TPP is involved in ______________ (oxidative decarboxylation/deamination) and transketolase reactions.

A

oxidative decarboxylation

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3
Q

Three enzymes have vitamin b1 as a coenzyme. What are the names of these enzymes?

A

Pyruvate dehydrogenase
Alpha-ketoglutarate dehydrogenase
Transketolase

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4
Q

TPP is required in the ____________ (carboxylation/conjugation with CoA) step done by the dehydrogenase enzyme.

A

carboxylation

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5
Q

Thiamine deficiency causes _____________ (beri beri/pellagra)

A

beri beri

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6
Q

Dry beri beri involves _____________ (peripheral neuropathy/edema due to cardiomyopathy)

A

peripheral neuropathy

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7
Q

Wet beri beri involves ___________ (peripheral neuropathy/edema due to cardiomyopathy)

A

edema due to cardiomyopathy

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8
Q

Beri beri can lead to _____________ (Wernicke-Korsakoff syndrome/Horner syndrome)

A

Wernicke-korsakoff syndrome

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9
Q

Mental confusion, Gait ataxia, nystagmus, and ophthalmoplegia are the symptoms of _______________ (Korsakoff syndrome/ Wernicke encephalopathy)

A

Wernicke encephalopathy

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10
Q

Memory problems and hallucinations are the symptoms of __________________ (Korsakoff syndrome/ Wernicke encephalopathy)

A

Korsakoff syndrome

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