NBME 20 Partial oxidation of fatty acids (NBME Answers)

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Retired NBME 20 Answers

nbme20/Block 4/Question#32 (reveal difficulty score)
A 55-year-old man comes to the physician ...
Partial oxidation of fatty acids 🔍 / 📺 / 🌳 / 📖
tags: biochem GI

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submitted by ∗hayayah(1212)

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Glucagonoma: Tumor of pancreatic α cells causing an overproduction of glucagon.

Presents with 5D’s:

Dermatitis(necrolytic migratory erythema)
Diabetes (hyperglycemia)
DVT
Declining weight
Depression

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killme And the sixth D: Diarrhea +8

ergogenic22 a) CAT1 and CAT2 are important enzymes of fatty acid beta oxidation. Glucagon upregulates this process b) glycogen formation is inhibited by glucagon, so that glucose can be used by cells c) acetyl CoA carboxylase is used for fatty acid synthesis and thus decreased by increased glucagon d) glucagon increases ketogenesis +64

dermgirl Basically, they want to know what is the function of glucagon. +3

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submitted by ∗trazobone(97)

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What is partial oxidation lmao. Is it beta oxidation? Is it FAs that has been partially oxidized? Is it FAs that have been partially beta oxidized? Please advise.

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trazobone Ok after regrouping with myself, if you ignore the “partial” part of the answer choice, it makes sense. And you can eliminate everything else. +2

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