Carbohydrate Metabolism — Flashcards

Flashcard 101: _____ differ in the orientation of the  H and  OH groups around the 1st carbon atom in the ring structure of carbohydrates

Answer: Anomers

Flashcard 102: _____ forms rhombic plate-shaped crystals in osazone test

Answer: Galactose

Flashcard 103: In refeeding syndrome, the initial carbohydrate load leads to severe _____glycemia, which triggers a massive release of insulin.

Answer: hyper

Extra: In refeeding syndrome, the administration of carbohydrates to a severely malnourished patient leads to an initial hyperglycemia. This triggers a massive surge in insulin, which promotes the intracellular shift of glucose along with phosphate, magnesium, and potassium. The resulting **hypophosphatemia** is the hallmark of refeeding syndrome and can lead to life-threatening complications such as arrhythmias, respiratory failure, and seizures.

Flashcard 104: De Vivo disease is a metabolic disorder due to _____ deficiency.

Answer: GLUT1

Flashcard 105: Glucose-6-phosphatase is a marker for _____

Answer: Endoplasmic reticulum (cell organelle)

Flashcard 106: What is the first committed step of glycolysis?

Answer: Fructose-6-phosphate to Fructose-1,6-bisphosphate

Flashcard 107: The percentage of _____ in human milk is greater than that in cow s milk.

Answer: lactose

Flashcard 108: Glycemic index is highest for _____.

Answer: Maltose

Flashcard 109: _____ forms broomstick/ needle-shaped crystals in osazone test

Answer: Glucose, Fructose and Mannose (3)

Flashcard 110: Essential pentosuria is a benign condition caused due to a defect in the _____ pathway.

Answer: uronic acid