CFS CFS Pathophysiology and Research

Question 1

Which body system is believed to play a central role in CFS pathophysiology according to current research?

Accepted Answer

Immune system dysregulation

Answer

Skeletal system

Answer

Endocrine system exclusively

Answer

Reproductive system

Question 2

What is the 'two-hit hypothesis' sometimes proposed for CFS?

Accepted Answer

An initial trigger (e.g., infection) combined with a second factor perpetuates the illness

Answer

Two different viruses must infect simultaneously

Answer

Two organ systems must be affected for diagnosis

Answer

Two years of symptoms are required before the condition becomes permanent

Question 3

What does research suggest about mitochondrial function in CFS patients?

Accepted Answer

Evidence suggests impaired mitochondrial energy production in some CFS patients

Answer

Mitochondria are overactive in CFS

Answer

Mitochondrial DNA is mutated in all CFS cases

Answer

Mitochondria are unaffected in CFS

Question 4

Which biomarker abnormality has been reported in some CFS research studies?

Accepted Answer

Reduced natural killer (NK) cell cytotoxic activity

Answer

Elevated red blood cell count

Answer

Elevated white blood cell count

Answer

Reduced platelet count

Question 5

What does the term 'neuroimmune' mean in the context of CFS?

Accepted Answer

Involving both the nervous system and the immune system

Answer

A condition affecting only nerves

Answer

A type of brain tumor

Answer

A purely psychological condition

Question 6

Which finding in the autonomic nervous system has been documented in CFS research?

Accepted Answer

Autonomic dysfunction including reduced heart rate variability

Answer

Hyperactive parasympathetic nervous system

Answer

Elevated sympathetic baseline exclusively

Answer

No autonomic abnormalities found