Genetics and Evolution

Genetic Testing and Counseling Practice Questions

20 free Genetic Testing and Counseling practice questions for the USMLE Step 1, 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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Questions

All Genetic Testing and Counseling questions

20 questions
  1. Q1. What is the primary purpose of genetic counseling before genetic testing?
  2. Q2. Which professional is typically qualified to provide formal genetic counseling services?
  3. Q3. Which of the following situations would most strongly indicate a referral for genetic counseling and possibly genetic testing?
  4. Q4. Which ethical principle is emphasized in genetic counseling to ensure that patients’ personal values and autonomy are respected?
  5. Q5. What is a major limitation of genetic testing that must be discussed during pre-test counseling?
  6. Q6. Why is confidentiality especially important in genetic testing and counseling?
  7. Q7. Which of the following types of genetic testing might be discussed during pre-test counseling for a prenatal patient?
  8. Q8. What does the concept of “cascade testing” refer to in genetic testing and counseling?
  9. Q9. Which component is NOT typically part of a genetic counseling session?
  10. Q10. In the context of genetic testing and counseling, what is a variant of uncertain significance (VUS)?
  11. Q11. Which of the following is a reason a healthcare provider might recommend genetic counseling for adult-onset conditions?
  12. Q12. After receiving a positive result for a pathogenic variant, what role does a genetic counselor play next?
  13. Q13. Why might someone choose to decline genetic testing even when offered after counseling?
  14. Q14. What distinguishes predictive (pre-symptomatic) genetic testing from diagnostic testing?
  15. Q15. Which family member should ideally be the first one tested (proband) when performing genetic testing in a family with suspected inherited disease?
  16. Q16. Which of the following statements about direct-to-consumer (DTC) genetic testing is correct in the context of genetic counseling?
  17. Q17. Which of the following is considered an ethical obligation of providers when offering genetic testing and counseling?
  18. Q18. What is “cascade screening” in the context of hereditary disorders and genetic counseling?
  19. Q19. Which of the following is a limitation of genetic counseling services globally, despite increasing demand?
  20. Q20. During pre-test genetic counseling, why must the possibility of incidental (secondary) findings be discussed?