CHEM 1005 Final Review Exam Questions And Answers All Verified

CHEM 1005 Final Review Exam Questions And Answers All Verified In the fasted state, fatty acyl-CoA are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyltransferase I (CPTI) can be directly inhibited by which of the following compounds? a. Malonyl CoA b. Carnitine c. Acetyl CoA d. Palmitate - ANS Malonyl CoA A 22-year-old woman engaging in a political protest goes on a hunger strike on a prominent corner in a city park. She refuses all offers of food except for water for the first 2 weeks. Under these conditions there is a decreased reliance on what pathway for fuel? - ANS Gluconeogenesis An 11-year-old girl is brought by the emergency department by her father. He reports she has recently been very thirsty and needing to make frequent trips to the bathroom. At her soccer game today, she complained of lightheadedness and the symptoms did not resolve after drinking a power beverage. A rapid dipstick test revealed glucose in her urine and further diagnostics were consistent with a diagnosis of Type 1 diabetes. Evaluation of the girl's liver would reveal an increased rate of which process? - ANS Ketogenesis Ketonuria, hyperglycemia, and severe acidosis are prime diagnostic indicators of the diagnosis of Type 1 diabetic ketoacidosis. Which compound are "ketone bodies" that would be elevated in serum and urine of a patient in this condition? - ANS D-3 hydroxybutyrate and acetoacetate An individual is on hunger strike and has not eaten in 13 days. What best describes their metabolic state? - ANS The brain will be preferentially oxidizing ketones Under fasting conditions (ratio of insulin to glucagon <1), elevated glucagon will activate what enzyme? - ANS Hormone sensitive lipase A 10-year-old boy is brought to the emergency department by his father. He reports his son has recently been very thirsty and needing to make frequent trips to the bathroom. Physical examination revealed a thin boy, in the 30th percentile for height and weight. A rapid dipstick test revealed glucose in his urine. Evaluation of this boy's blood would reveal decrease levels of which compound or hormone? - ANS Insulin