Condition in which the usually protective antibodies are produced in large quantities but react against the person's own normal tissue

A) carcinoma
B) sarcoma
C) leukemia
D) lymphoma
E) P53
F) tumor marker
G) endoscopy
H) positron emission tomography (PET) scan
I) adjunct therapy
J) colony-stimulating factor (CSF)
K) interleukin
L) leukapheresis
M) lupus
N) steroid
O) rheumatoid factor

Rheumatoid Factor

An autoantibody that is often present in the blood of individuals with rheumatoid arthritis and some other autoimmune diseases or infections.

Lupus

A chronic autoimmune disease where the body's immune system becomes hyperactive and attacks normal, healthy tissue, leading to inflammation and tissue damage in various parts of the body.

Tumor Marker

Substances often produced by cancer cells or by the body in response to cancer, used in the blood, urine, or tissues to help detect and manage some types of cancer.