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- Which of the following human cells produce insulin? a) Beta cells b) F cells C) Alpha cells d) Delta cellsIt is noticed that when a strain of mice exercises, their blood glucose drops to very low levels. Which of the following can explain this situation? a) These mice do not make enough insulin b) these mice lack insulin receptors on their cells c)these mice lack glucagon d) these mice cannot synthesize glycogen from glucose*Pumps deliver insulin through:a) A tube inserted under skinb) A pod attached to bodyc) Both a and b
- Pumps deliver insulin through: a) A tube inserted under skin b) A pod attached to body c) Both a and bWhich of the following is the primary process by which insulin stimulates glucose transport into adipose tissue cells?A) Activating Na+-K+ ATPaseB) Increasing synthesis of the glucose transporterC) Phosphorylating glucose to maintain the gradient of free glucose across the cellD) Promoting movement of the glucose transporter from the cytoplasm to the cell membraneInsulin will tend to increase (More than one answer may be correct): A) gluconeogenesis B) glycogenolysis C) glycogenesis D) protein degradation E) lypolysis
- Pancreatic beta cell dysfunction in type 2 diabetes is probably related in part to: a) Decreased advanced glycation end products b) Autoimmune destruction of the beta cells resulting in no insulin secretion c) Decreased beta cell mass d) Increased glucose-stimulated insulin secretionLow insulin to glucagonratio is seen in all of these except :- A) glycogen synthesis B) glycogen breakdown C) gluconeogenesis D) ketogenesisWhat chemical is the structural basis of the bile salts, Vitamin D, and all of the steroid hormones to include estrogen, progesterone, and testosterone? A) Cholesterol B) Arginine C) Glucose D) Acetyl CoA E) Glucose-6-dehydrogenase
- Insulin: A) Lowers the blood sugar B)  All these answers are correct C) Helps maintain homeostasis D) Facilitates cellular glucose uptake from the blood E) Is released during feasting or the absorptive state15.18) Determine whether the following statements describe insulin, glucagon, or both insulin and glucagon. a) secreted by pancreas both insulin and glucagon b) released when blood glucose concentration is high insulin c) released when blood glucose concentration is low glucagon d) immediately increases the amount of glucose entering cells insulin e) is a hormone both insulin and glucagon f) lowers blood glucose concentration insulin g) not enough is produced by individuals with type-1 diabetes insulin h) stimulates glycogen breakdown (glycogenolysis) glucagon EXPLANATION: When insulin binds to liver and muscle cell receptors, it triggers a series of events that result in the activation of an enzyme in the glycogenesis pathway and the inhibition of an enzyme in the glycogenolysis pathway. Glucagon has the opposite effect of insulin on liver cells; it accelerates glycogenolysis and suppresses glycogenesis causes a decrease in blood glucose levels • accelerated by insulin suppressed by…Which of the following statements is true? a) High insulin/glucagon ratio activates lipolysis in muscle b) High insulin/glucagon ratio inhibits lipolysis in liver c) High insulin/glucagon d) Low insulin/glucagon ratio activates lipolysis in adipocytes ratio activates lipolysis in adipocytes