A 17-Year-Old Boy Collapses While Jogging and Dies Despite Resuscitation

question 778

Multiple Choice

A 17-year-old boy collapses while jogging and dies despite resuscitation efforts.  He has no medical history; however, his family history is significant for an uncle who died suddenly at age 20.  The boy is 185.4 cm (6 ft 1 in) tall and weighs 80 kg (176.4 lb) .  Autopsy reveals significant left ventricular hypertrophy predominantly affecting the interventricular septum.  There are no valvular abnormalities.  Assuming the boy died of an inherited condition, which of the following proteins was most likely affected by the relevant mutation?

• A)Beta-myosin heavy chain
• B)Dystrophin
• C)Fibrillin-1
• D)Membrane potassium channel
• E)Transthyretin

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Definitions:

Influence

The power to impact the personality, growth, or actions of an individual or entity, or the impact resulting from this.

Control

The power to influence or direct people's behavior or the course of events.

Referent Power

The capacity to influence other people because of their desire to identify personally with you.

Charisma

The compelling attractiveness or charm that can inspire devotion in others.