Metabolism — Flashcards

Flashcard 211: Can a urine test for ketones detect β-hydroxybutyrate? _____

Answer: No

Extra: * can test for acetoacetate in urine - confirmed by measuring BHB in the SERUM

Flashcard 212: Glucose, galactose and fructose are extruded from the intestinal cell into the blood by _____

Answer: GLUT-2 (facilitated diffusion)

Flashcard 213: Downstream effects of insulin cause protein _____

Answer: dephosphorylation

Flashcard 214: What complement protein does the lectin pathway of activation begin with? _____

Answer: C1-like complex

Flashcard 215: The _____ subunits of the insulin receptor are connected by a disulfide bond and lie in the extracellular domain

Answer: alpha

Flashcard 216: Vitamin E primarily functions as a(n) _____; protects RBCs and membranes from free radical damage

Answer: antioxidant

Flashcard 217: One sign of vitamin A deficiency is dry, scaly _____

Answer: skin (xerosis cutis)

Flashcard 218: In total, the TCA cycle produces _____ GTP per acetyl-CoA

Answer: 1

Extra: Other:

Flashcard 219: Acute intermittent porphyria is due to deficiency of the enzyme _____

Answer: porphobilinogen deaminase

Extra: UWorld:

Flashcard 220: Extra- and intravascular hemolysis may present with increased _____ in the urine, which results from increased conjugated bilirubin

Answer: urobilinogen

Extra: * UNcollared Billy goats next to baby urine goats= Increased UNconjugated bilirubin Other: