A 32-year-old man visits his primary care physician for a routine health maintenance examination. During the examination, he expresses concerns about not wanting to become a father. He has been sexually active and monogamous with his wife for the past 5 years, and they inconsistently use condoms for contraception. He tells the physician that he would like to undergo vasectomy. His wife is also a patient under the care of the physician and during her last appointment, she expressed concerns over being prescribed any drugs that could affect her fertility because she would like to conceive soon. Which of the following is the most appropriate action by the physician regarding this patient's wish to undergo vasectomy?

Explain the procedure's benefits, alternatives, and potential complications

Refer the patient to a psychotherapist to discuss his reluctance to have children

Discourage the patient from undergoing the procedure because his wife wants children

Insist that the patient returns with his wife to discuss the risks and benefits of the procedure together

Call the patient's wife to obtain her consent for the procedure

A 46-year-old man presents with increasing fatigue and weakness for the past 3 months. He works as a lawyer and is handling a complicated criminal case which is very stressful, and he attributes his fatigue to his work. He lost 2.3 kg (5.0 lb) during this time despite no change in diet or activity level. His past history is significant for chronic constipation and infrequent episodes of bloody stools. Family history is significant for his father and paternal uncle who died of colon cancer and who were both known to possess a genetic mutation for the disease. He has never had a colonoscopy or had any genetic testing performed. Physical examination is significant for conjunctival pallor. A colonoscopy is performed and reveals few adenomatous polyps. Histopathologic examination shows high-grade dysplasia and genetic testing reveals the same mutation as his father and uncle. The patient is concerned about his 20-year-old son. Which of the following is the most appropriate advice regarding this patient's son?

A genetic test followed by colonoscopy for the son should be ordered.

The son doesn't need to be tested now.

An immediate colonoscopy should be ordered for the son.

Screening can be started by 50 years of age as the son’s risk is similar to the general population.

The son should undergo a prophylactic colonic resection.

A 3-year-old is brought to the pediatrician by his mother because she is concerned about recent changes to his behavior. She states that he has seemed to regress in his motor development and has been having occasional brief episodes of uncontrollable shaking. During the subsequent work up, a muscle biopsy is obtained which demonstrates red ragged fibers and a presumptive diagnosis of a genetic disease made. The mother asks if her other son will be affected. What should be the physician's response?

There is a 100% chance he will be affected, but the severity may be different

There is a 50% chance he will be affected

There is a 100% chance he will be affected, and the severity will be the same

There is a 25% chance he will be affected

A psychiatrist receives a call from a patient who expresses thoughts of harming his ex-girlfriend. The patient describes a detailed plan to attack her at her workplace. Which of the following represents the psychiatrist's most appropriate legal obligation?

Warn the ex-girlfriend and notify law enforcement

Only notify the patient's family

Maintain patient confidentiality

A 73-year-old man is admitted to the hospital for jaundice and weight loss. He is an immigrant from the Dominican Republic and speaks little English. A CT scan is performed showing a large mass at the head of the pancreas. When you enter the room to discuss these results with the patient, his daughter and son ask to speak with you outside of the patient's room. They express their desire to keep these results from their father. What is the appropriate response in this situation?

Explore the reasoning behind the children's request

Consult the hospital ethics committee

Deliver the information in Spanish

Respect the children's wishes to hold prognosis information

Tell the children that you are obligated to tell the father

A 12-year-old boy and his mother are brought to the emergency department after a motor vehicle accident. The boy was an unrestrained passenger in a head-on collision and was ejected from the front seat. The patient's mother was the driver and she is currently being resuscitated. Neither the child nor the mother are conscious; however, it is documented that the family are all Jehovah's witnesses and would not want a transfusion in an acute situation. The husband/father arrives to the trauma bay and confirms this wish that everyone in the family would not want a transfusion in accordance with their beliefs. The father is confirmed as the official healthcare proxy. Which of the following is the best next step in management?

Do not transfuse the mother and transfuse the boy

Consult the hospital ethics committee

Do not transfuse the boy or the mother

Do not transfuse the boy and transfuse the mother

A 26-year-old man comes to the emergency department because of a 1-week history of fever, throat pain, and difficulty swallowing. Head and neck examination shows an erythematous pharynx with purulent exudates overlying the palatine tonsils. Microscopic examination of a throat culture shows pink, spherical bacteria arranged in chains. Treatment with amoxicillin is initiated. A day later, a physician colleague from another department approaches the physician in the lobby of the hospital and asks about this patient, saying, "Did you see him? What does he have? He's someone I play football with and he hasn't come to play for the past 5 days. I'm worried about him." Which of the following is the most appropriate action by the physician?

Inform the colleague that they cannot divulge any information about the patient

Inform the colleague that they should ask the patient's attending physician

Tell the colleague the patient's case file number so they can look it up themselves

Tell the colleague that they cannot tell them the diagnosis but that their friend was treated with antibiotics

Ask the colleague to meet in the office so they can discuss the patient in private

Genetic testing ethics for USMLE Step 2 CK: High-Yield Patient Safety Lessons

Core Principles - The Genetic Compass

Autonomy: Patient's right to make informed decisions. Requires full informed consent (risks, benefits, alternatives). Includes the right not to know.
Beneficence & Non-maleficence: Act in the patient's best interest while minimizing harm. Involves accurate testing, clear communication, and appropriate counseling.
Justice: Ensure fair and equitable access to genetic testing resources, regardless of socioeconomic status or ethnicity.
Confidentiality: Protecting sensitive genetic information is paramount.

⭐ The Genetic Information Nondiscrimination Act (GINA) of 2008 prevents discrimination by health insurers and employers, but does not apply to life, disability, or long-term care insurance.

Core Components: A valid consent requires full disclosure of the test's purpose, risks, benefits, and alternatives. The patient must demonstrate understanding, appreciate the situation, and reason through the choice.
Genetic-Specific Disclosures:
- Test Limitations: Discuss analytical & clinical validity, and the possibility of uncertain results (VUS).
- Broader Implications: Cover potential psychological stress, impact on family members (duty to warn vs. confidentiality), and risks of genetic discrimination.
- Incidental Findings: Address the possibility of discovering unsolicited information, like cancer risks or non-paternity.

⭐ GINA's Reach: The Genetic Information Nondiscrimination Act (GINA) protects against discrimination by health insurers and employers, but it does not cover life, disability, or long-term care insurance providers.

Results & Fallout - The GINA Shield

Genetic Information Nondiscrimination Act (GINA) of 2008: Federal law protecting against discrimination based on genetic information in health insurance and employment.
Key Protections:
- Health Insurance: Prohibits using genetic data (e.g., BRCA1 status, family history) to determine eligibility, premiums, or coverage. Genetic predispositions cannot be treated as pre-existing conditions.
- Employment: Forbids employers from using genetic information for hiring, firing, or promotion decisions.
⚠️ GINA's Limits - What is NOT protected:
- Life insurance, disability insurance, and long-term care insurance.
- Employers with < 15 employees.
- Members of the U.S. military (TRICARE) & Veterans Health Administration.

⭐ A patient with a newly discovered HNPCC gene mutation can legally be denied life or disability insurance based on the results; GINA does not offer protection in these specific markets.

Special Populations - Kids, Kin & DTC

Pediatric Testing (Minors):
- Guided by the best interest of the child.
- Test only for childhood-onset conditions with proven, early interventions.
- Avoid testing for adult-onset diseases or carrier status; defer until the child has capacity to consent.
Duty to Warn Relatives ("Kin"):
- Confidentiality is paramount.
- Breach is permissible only if there's a high risk of serious, preventable harm to identifiable relatives and the patient refuses to inform them.
Direct-to-Consumer (DTC) Tests:
- ⚠️ Concerns: No genetic counseling, data privacy issues, variable accuracy.
- Confirm clinically significant results in a CLIA-certified lab.

⭐ Testing asymptomatic children is justified only for conditions where early intervention is beneficial. Defer testing for adult-onset diseases or carrier status until the child can give informed consent.

Genetic Testing Algorithm for Cancer Susceptibility

High‑Yield Points - ⚡ Biggest Takeaways

GINA prohibits health insurance and employment discrimination but does not apply to life, disability, or long-term care insurance.

Informed consent is crucial, covering risks, benefits, limitations, and the possibility of incidental findings.

Testing in minors is reserved for childhood-onset conditions where early intervention is beneficial.

The duty to warn identifiable at-risk relatives can sometimes override strict patient confidentiality.

Uphold patient autonomy, which includes the right not to know genetic results.

Continue reading on Oncourse

CONTINUE READING — FREE

or get the app

App Store|Google Play