Which is true of gout? a. it is associated with bursal sac inflammation and calcium deposits b. it produces inflammation of muscle fibers, resulting in tissue necrosis c. it involves urate crystal formation within the articular tissues d. it results in chronic inflammation of lower extremity joints

C. It involves urate crystal formation within the articular tissues

Explanation:

Gout is described as a sudden, severe attacks of pain, swelling, redness and tenderness in the joints most often at the base of the big toe.

When urate crystals formed in your joint, it causes the inflammation and intense pain of a gout attack. When you have high levels of uric acid in your blood, urate crystals can form.

Uric acid is produced in your body when it breaks down purines — substances that are naturally found in your body.

Purines are also found in some foods, like steak, meats and seafood. Alcoholic beverages, especially beer, and drinks sweetened with fruit sugar (fructose) also promote higher levels of uric acid

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the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.