In rheumatoid arthritis (RA), tissue destruction occurs primarily in the:
Pannus
Synovial membrane
Articular cartilage
Ligaments and tendons
The Correct Answer is B
A. The pannus is a pathological feature that forms over the synovial membrane, but tissue destruction primarily begins in the synovial membrane itself.
B. The synovial membrane becomes inflamed and thickened in rheumatoid arthritis, leading to destruction of the surrounding joint structures, making it the primary site of tissue damage.
C. While articular cartilage is affected, it is a secondary effect of the inflammatory processes originating in the synovial membrane.
D. Ligaments and tendons can be affected in RA but are not the primary sites of destruction.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Anti-inflammatory drugs primarily work by blocking the chemical mediators of inflammation, such as prostaglandins, thereby reducing pain and swelling.
B. While some anti-inflammatory medications may affect blood flow indirectly, their main action is not to increase blood flow to tissues.
C. Anti-inflammatory drugs may help minimize scar formation indirectly but are not primarily indicated for that purpose.
D. These drugs do not enhance the immune system; instead, they modulate inflammatory responses.
Correct Answer is D
Explanation
A. While HIV affects a range of immune cells, it specifically targets certain types.
B. CD4 cells include T helper cells, but stating only CD4 cells oversimplifies the response.
C. T suppressor cells, while affected by HIV, are not the primary targets.
D. T helper cells, which express the CD4 surface marker, are the primary targets of HIV, leading to the characteristic immunosuppression seen in the infection.
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