A needle biopsy of a joint shows red synovial fluid This cou

A needle biopsy of a joint shows red synovial fluid. This could indicate a. Blood in the joint space b. A bacterial infection c. Arthritis d. A ligamentous tear Where is the medial meniscus of the knee the thickest? a. Anterior aspect b. Posterior aspect c. Lateral aspect d. Medial aspect

Solution

Synovial fluid is a thick fluid present in the joints space of the body. It is a thick viscous liquid that minimizes friction between the two bones of a joint and eases movement. Synovial fluid is straw colored clear thick liquid in normal individuals.

Red synovial fluid indicates the presence of blood in the fluid due to bleeding. Bleeding occurs due to breaks in the tiny blood vessels of the synovial membranes that surround the fluid. Bleeding in joints can be due to injury or haemophilia.

Hence option a is correct.