A 20-Year-Old Student Collapses Suddenly in Class and Dies, Despite

question 803

Multiple Choice

A 20-year-old student collapses suddenly in class and dies, despite resuscitation efforts.  Review of the medical chart is conducted-including symptoms, review of systems, medical history, and substance use-and is unremarkable except for a family history of sudden cardiac death.  Autopsy is performed and myocardial histology is shown in the image.  Complete genotyping is most likely to reveal a pathologic mutation that affects a protein belonging to which of the following structures?

• A)Cell junction complex
• B)Ion channel
• C)Mitochondria
• D)Nuclear envelope
• E)Sarcomere

---

Definitions:

Interaction

The process through which people affect or influence each other's feelings, thoughts, or actions.

Postmodernist

Relating to a late-20th-century movement characterized by broad skepticism, subjectivism, or relativism; a general suspicion of reason, and an acute sensitivity to the role of ideology in asserting and maintaining political and economic power.

Factual History

A record of past events based on empirical evidence, verified documents, and other sources that historians agree upon as accurate and true.

Oral Stories

Narratives passed down through verbal storytelling, preserving culture, history, and traditions across generations.