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Clinical Pharmacology

Pharmacogenomics Practice Questions

20 free Pharmacogenomics practice questions for the Pharmacology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Pharmacogenomics questions

20 questions
  1. Q1. Which of the following describes a 'Single Nucleotide Polymorphism' (SNP)?
  2. Q2. Patients who are 'Poor Metabolizers' of CYP2D6 are at increased risk of therapeutic failure when treated with which prodrug?
  3. Q3. The presence of the HLA-B*15:02 allele is a strong predictor of Stevens-Johnson Syndrome (SJS) in patients taking which medication?
  4. Q4. A polymorphism in the VKORC1 gene primarily affects which pharmacokinetic or pharmacodynamic process of Warfarin?
  5. Q5. Testing for the HLA-B*57:01 allele is mandatory before prescribing which antiretroviral drug to prevent hypersensitivity reactions?
  6. Q6. Which enzyme deficiency puts patients at high risk for severe, life-threatening toxicity when treated with 5-Fluorouracil (5-FU) or Capecitabine?
  7. Q7. TPMT genotyping is used to guide the dosing of which class of drugs?
  8. Q8. Which CYP450 polymorphism is most relevant for the activation of the antiplatelet drug Clopidogrel?
  9. Q9. The 'Ultra-rapid Metabolizer' phenotype of CYP2D6 is associated with which clinical outcome in a patient taking Codeine?
  10. Q10. Polymorphisms in the UGT1A1 gene, specifically the UGT1A1*28 allele, are associated with toxicity from which chemotherapeutic agent?
  11. Q11. Which genotype-based drug interaction occurs when a 'Poor Metabolizer' of CYP2C19 is given Omeprazole?
  12. Q12. What is the primary clinical consequence of G6PD deficiency when a patient is exposed to oxidant drugs like Primaquine?
  13. Q13. The SLCO1B1 gene encodes a transporter protein that facilitates the hepatic uptake of which drug class?
  14. Q14. Which polymorphism is associated with an increased risk of severe skin reactions to Allopurinol in certain ethnic groups?
  15. Q15. The 'Slow Acetylator' phenotype, caused by variations in the NAT2 gene, increases the risk of peripheral neuropathy with which drug?
  16. Q16. Pharmacogenomics is specifically defined as the study of:
  17. Q17. Patients with 'Loss-of-Function' CYP2C9 alleles (*2 or *3) require which adjustment to their Warfarin therapy?
  18. Q18. Which genetic variation is linked to an increased risk of 'Torsades de Pointes' when taking QT-prolonging drugs?
  19. Q19. In pharmacogenomics, the term 'phenoconversion' refers to:
  20. Q20. Genetic testing for which marker is recommended to avoid hypersensitivity to Carbamazepine in patients of European descent, as an alternative to HLA-B*15:02?