Pharmacokinetic Considerations in Hepatic Dysfunction Quiz
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Questions and Answers

Which liver function test reflects the capability of the liver to synthesize proteins and likely drug metabolizing enzymes?

  • ALT
  • Albumin (correct)
  • GGT
  • AST

Which traditional liver function test is an indication of liver damage, but not the ability of the liver to metabolize drugs?

  • GGT
  • Alkaline phosphatase
  • AST
  • ALT (correct)

Which classification system is used to classify the severity of cirrhosis based on a point system?

  • MELD score
  • Child-Pugh Classification (correct)
  • BCLC staging system
  • Model for End-Stage Liver Disease

What does a Child-Pugh score of 5-6 indicate?

<p>Class A (mild) (D)</p> Signup and view all the answers

Which factor does the Child-Pugh Classification reflect?

<p>Severity of cirrhosis (C)</p> Signup and view all the answers

What does GGT indicate?

<p>Liver damage (C)</p> Signup and view all the answers

What does the presence of ascites indicate in the Child-Pugh Classification?

<p>Class C (severe) (D)</p> Signup and view all the answers

Which liver function test reflects the destruction of the liver’s vascular and lobular architecture?

<p>GGT (D)</p> Signup and view all the answers

What do AST and ALT indicate?

<p>Liver damage (D)</p> Signup and view all the answers

What does INR reflect in terms of liver function?

<p>Capability of the liver to clot blood (C)</p> Signup and view all the answers

What can influence the levels of Albumin and INR?

<p>Other conditions (B)</p> Signup and view all the answers

What does the MELD score reflect?

<p>Severity of cirrhosis (C)</p> Signup and view all the answers

What do AST and ALT indicate?

<p>Liver damage (D)</p> Signup and view all the answers

What does GGT indicate?

<p>Liver damage (C)</p> Signup and view all the answers

What does INR reflect in terms of liver function?

<p>Liver synthetic function (B)</p> Signup and view all the answers

What does the MELD score reflect?

<p>Severity of cirrhosis (A)</p> Signup and view all the answers

What does the presence of ascites indicate in the Child-Pugh Classification?

<p>Severity of cirrhosis (D)</p> Signup and view all the answers

Which liver function test reflects the capability of the liver to synthesize proteins and likely drug metabolizing enzymes?

<p>Albumin and INR (A)</p> Signup and view all the answers

Which factor does the Child-Pugh Classification reflect?

<p>Severity of cirrhosis (D)</p> Signup and view all the answers

What does a Child-Pugh score of 5-6 indicate?

<p>Mild cirrhosis (B)</p> Signup and view all the answers

Which traditional liver function test is an indication of liver damage, but not the ability of the liver to metabolize drugs?

<p>AST/ALT (A)</p> Signup and view all the answers

What can influence the levels of Albumin and INR?

<p>Other conditions (B)</p> Signup and view all the answers

Which classification system is used to classify the severity of cirrhosis based on a point system?

<p>Child-Pugh Classification (C)</p> Signup and view all the answers

Which liver function test reflects the destruction of the liver’s vascular and lobular architecture?

<p>GGT (A)</p> Signup and view all the answers

Which drug would be expected to have increased bioavailability in a patient with cirrhosis?

<p>Morphine (C)</p> Signup and view all the answers

Which type of drug is less sensitive to changes in blood flow and may require a normal initial dose but reduced maintenance dose in patients with chronic liver disease?

<p>Low extraction drugs (A)</p> Signup and view all the answers

Which enzyme activity is greatly affected by liver dysfunction compared to others?

<p>CYP2C19 (B)</p> Signup and view all the answers

What can cause an overestimation of glomerular filtration rate (GFR) when using serum creatinine for calculations in patients with chronic liver disease?

<p>Reduced muscle mass (A)</p> Signup and view all the answers

Which drug class may require a larger loading dose due to increased volume of distribution in patients with liver dysfunction?

<p>Water-soluble drugs (A)</p> Signup and view all the answers

Which drug is more susceptible to alterations in blood flow due to decreased hepatic clearance in patients with chronic liver disease?

<p>Promethazine (D)</p> Signup and view all the answers

Which drug is an example of an intermediate extraction drug less sensitive to blood flow changes?

<p>Azathioprine (D)</p> Signup and view all the answers

Which drug class is more affected by liver dysfunction due to increased water solubility for renal excretion?

<p>Antineoplastic &amp; immunosuppressive agents (C)</p> Signup and view all the answers

Which drug may require maintenance dose reduction in patients with chronic liver disease due to decreased hepatic clearance?

<p>Nitroglycerin (D)</p> Signup and view all the answers

Which drug monitoring approach is recommended for low extraction drugs in patients with liver dysfunction?

<p>Use free concentration for drug monitoring (B)</p> Signup and view all the answers

Which drug class may be less sensitive to natriuretic effects of loop diuretics in patients with chronic liver disease?

<p>Beta blockers (B)</p> Signup and view all the answers

Which enzyme activity becomes worse as liver function worsens in patients with chronic liver disease?

<p>CYP2E1 (D)</p> Signup and view all the answers

Which enzyme activity is greatly affected by liver dysfunction compared to others?

<p>CYP2C19 (D)</p> Signup and view all the answers

Which drug class may be less sensitive to natriuretic effects of loop diuretics in patients with chronic liver disease?

<p>Beta Blockers (B)</p> Signup and view all the answers

What does the presence of ascites indicate in the Child-Pugh Classification?

<p>Severe liver disease (B)</p> Signup and view all the answers

Which factor does the Child-Pugh Classification reflect?

<p>Severity of liver cirrhosis (A)</p> Signup and view all the answers

What can cause an overestimation of glomerular filtration rate (GFR) when using serum creatinine for calculations in patients with chronic liver disease?

<p>Reduced muscle mass (B)</p> Signup and view all the answers

Which drug is more susceptible to alterations in blood flow due to decreased hepatic clearance in patients with chronic liver disease?

<p>Morphine (C)</p> Signup and view all the answers

Which liver function test reflects the capability of the liver to synthesize proteins and likely drug metabolizing enzymes?

<p>Albumin (D)</p> Signup and view all the answers

Which drug class is more affected by liver dysfunction due to increased water solubility for renal excretion?

<p>Antineoplastic &amp; Immunosuppressive Agents (B)</p> Signup and view all the answers

What does the MELD score reflect?

<p>Severity of liver cirrhosis (D)</p> Signup and view all the answers

Which liver function test reflects the destruction of the liver’s vascular and lobular architecture?

<p>ALT (C)</p> Signup and view all the answers

Which drug may require maintenance dose reduction in patients with chronic liver disease due to decreased hepatic clearance?

<p>Verapamil (D)</p> Signup and view all the answers

Which type of drug is less sensitive to changes in blood flow and may require a normal initial dose but reduced maintenance dose in patients with chronic liver disease?

<p>Low extraction drugs (A)</p> Signup and view all the answers

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