Clinical Features of Metabolic Syndrome
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Questions and Answers

What physical findings are characteristically associated with severe insulin resistance in patients with the metabolic syndrome?

  • High HDL cholesterol levels
  • Elevated waist circumference and blood pressure
  • Lipoatrophy and acanthosis nigricans (correct)
  • Low cholesterol levels
  • In the INTERHEART study, which component of the metabolic syndrome had a stronger odds ratio (OR) for acute myocardial infarction than others?

  • Hypertension
  • Diabetes mellitus (correct)
  • Elevated waist circumference
  • Low HDL cholesterol
  • Which of the following diseases is NOT mentioned as being associated with the metabolic syndrome?

  • Alzheimer’s disease
  • Congestive heart failure
  • Peripheral vascular disease
  • Liver cirrhosis (correct)
  • How does the relative risk for new-onset cardiovascular disease (CVD) in patients with metabolic syndrome compare to those without the syndrome?

    <p>The risk is higher in patients with metabolic syndrome.</p> Signup and view all the answers

    How do free fatty acids (FFAs) impact insulin sensitivity in muscle?

    <p>By inhibiting insulin-mediated glucose uptake</p> Signup and view all the answers

    What is a consequence of hyperinsulinemia in the context of the metabolic syndrome?

    <p>Enhanced sodium reabsorption</p> Signup and view all the answers

    How do interleukin 6 (IL-6) and tumor necrosis factor α (TNF-α) contribute to insulin resistance in the metabolic syndrome?

    <p>By promoting insulin resistance and lipolysis of adipose tissue triglyceride stores</p> Signup and view all the answers

    What is the effect of free fatty acids (FFAs) on the production of very-low-density lipoproteins (VLDLs)?

    <p>Increase in VLDL production</p> Signup and view all the answers

    Which mechanism contributes to a pro-thrombotic state in individuals with the metabolic syndrome?

    <p>Hepatic production of fibrinogen</p> Signup and view all the answers

    What effect does hyperleptinemia have on individuals with leptin resistance?

    <p>Increases appetite</p> Signup and view all the answers

    What is one of the roles of the gut microbiome in the development of obesity and metabolic disorders?

    <p>Affecting bile acid metabolism</p> Signup and view all the answers

    Which factor is associated with the defect in mitochondrial oxidative phosphorylation in insulin-resistant individuals?

    <p>Increased triglyceride accumulation in muscle</p> Signup and view all the answers

    What is one potential consequence of leptin resistance in the brain and other tissues?

    <p>Hyperlipidemia</p> Signup and view all the answers

    How does leptin normally regulate cardiac and vascular function?

    <p>Via a nitric oxide-dependent mechanism</p> Signup and view all the answers

    How do free fatty acids (FFAs) impact insulin sensitivity in muscle?

    <p>By reducing insulin-mediated glucose uptake</p> Signup and view all the answers

    What is the role of hyperinsulinemia in contributing to hypertension in the context of the metabolic syndrome?

    <p>It enhances sodium reabsorption</p> Signup and view all the answers

    How do interleukin 6 (IL-6) and tumor necrosis factor α (TNF-α) affect insulin resistance in the metabolic syndrome?

    <p>They contribute to insulin resistance</p> Signup and view all the answers

    What do high levels of circulating glucose and free fatty acids (FFAs) do to pancreatic insulin secretion in the metabolic syndrome?

    <p>Enhance insulin secretion</p> Signup and view all the answers

    What is the relationship between leptin and insulin sensitivity in the context of leptin deficiency?

    <p>Leptin deficiency enhances insulin sensitivity.</p> Signup and view all the answers

    How does hyperleptinemia impact individuals with leptin resistance?

    <p>Hyperleptinemia exacerbates insulin resistance.</p> Signup and view all the answers

    What is the effect of leptin resistance in the brain and other tissues?

    <p>Leads to hyperlipidemia.</p> Signup and view all the answers

    How does the gut microbiome contribute to obesity and metabolic disorders?

    <p>Leads to inflammation and metabolic dysfunction.</p> Signup and view all the answers

    What is the effect of higher levels of circulating cytokines on hepatic production of C-reactive protein (CRP)?

    <p>Stimulates hepatic production of C-reactive protein (CRP).</p> Signup and view all the answers

    In the context of insulin resistance, what mechanism contributes to increased triglyceride accumulation in the liver?

    <p>Elevated levels of circulating cytokines.</p> Signup and view all the answers

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