Which of the following statements regarding rheumatoid arthritis ...

[Diane]

Which of the following statements regarding rheumatoid arthritis (RA) is INCORRECT?
 
  A. The blood and synovial tissues of RA patients contain an autoantibody directed against the patient's own gamma globulin.
  B. Immune complexes composed of gamma globulin and autoantibody are deposited in joints of RA patients.
  C. Antigen-antibody complexes activate complement and generate an inflammation within the joints.
  D. Lymphocytes and macrophages attracted to the joints by the inflammatory process secrete cytokines (tumor necrosis factor) that damage the joints.
  E. Drugs that block the effect of tumor necrosis factor have not been useful or effective for treating RA patients.

Question 2

Renal agenesis can best be described as which of the following?
 
  A. Fusion of the two kidneys
  B. Formation of extra ureters and renal pelves
  C. Improper positioning of one or both kidneys
  D. Failure of one or both kidneys to develop

[enass]

Answer to Question 1

E

Answer to Question 2

D

[Diane]

TYSM

[adammoses97]

Gracias!