Michael Jardine
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PHSI3012 10-2 Disorders of Lipid Metabolism #2 (T3L2)

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Michael Jardine
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PHSI3012 10-2 Disorders of Lipid Metabolism #2 (T3L2)

Question 1 of 8

2

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Cholesterol is a 26-Carbon sterol lipid that’s synthesised through a complex 37-step process.
It composes ( 10%, 30%, 50%, 70%, 90% ) of cell membranes.
Circulating cholesterol arises from the diet as well as from ( Intracellular, Extracellular, Intercellular ) synthesis.
It circulates mostly as Cholesterol Ester (cholesterol + FA).

Explanation

Question 2 of 8

2

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Familial Hypercholesterolaemia is a family of pathologies that range from heterozygous to homozygous. It’s characterised by ( Increased, Decreased ) ( LDL-Chol, HDL-Chol ) levels. Caused by a loss of LDL-R.

Explanation

Question 3 of 8

2

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Lysosomal Storage Disease (aka Niemann-Pick disease type C) is a collection of ~50 rare inherited metabolic pathologies. Its hallmark is defective lysosomal function. It’s characterised by ( Free cholesterol, FFA, TAG ) ( Accumulation, Dissipation ) in the lysosome due to the loss of function of NPC1 and/or NPC2.

Explanation

Question 4 of 8

2

The highly proliferative nature of cancer cells means they have increased metabolic requirements, especially of which two things?

Select one or more of the following:

  • Energy

  • Phospholipids

Explanation

Question 5 of 8

4

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In cancer, metabolism changes.
De Novo Cholesterol ( Synthesis AND uptake, Synthesis, Uptake ) ( Increases, Decreases );
De Novo Lipid ( Synthesis AND uptake, Synthesis, Uptake ) ( Increases, Decreases ).

Explanation

Question 6 of 8

3

Prostate cancer growth is [primarily?] driven by .
It’s a metabolism cancer and is greatly dependent on .

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    Androgens
    Non-Warburg
    Warburg
    Fatty Acid oxidation
    Reactive Oxygen Species
    Cholesterol oxidation

Explanation

Question 7 of 8

1

CRPC = ??

Select one of the following:

  • Castration-Resistant Prostate Cancer

  • Castratian-Resistant Prostate Cancer

Explanation

Question 8 of 8

1

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Gene Expression of Steroidogenic Enzymes is ( Increased, Decreased ) in CRPC.

Explanation