John feels that his memory is failing.His friends say that his behavior has changed of late and complain about his irregular jerks, grimaces, and twitches.If his condition is transmitted by chromosome 4, John is most likely suffering from:
A)Creutzfeldt-Jakob disease.
B)HIV-associated neurocognitive disorder.
C)Huntington's disease.
D)Prion disease.

Question

Quizplus · Accepted Answer

The symptoms described suggest Huntington's disease, which is caused by a genetic mutation on chromosome 4. Creutzfeldt-Jakob disease and prion diseases are caused by abnormal proteins, while HIV-associated neurocognitive disorder is caused by the HIV virus.

John Feels That His Memory Is Failing