HOSA Biomedical Laboratory Practice Test 2026 – Complete Exam Preparation

Uric acid is a waste product formed from the breakdown of purines, which are found in various foods and are also generated by the body's cells. In humans, uric acid is primarily transported in the blood within plasma. The concentration of uric acid in the plasma is typically quite low compared to other components, such as proteins and electrolytes. In fact, uric acid accounts for about 1-2% of the total plasma solutes, confirming that the percentage is significantly lower than the figures presented in the other options. Because of this, the other choices do not accurately represent the proportion of uric acid within plasma. Hence, recognizing its actual contribution to plasma composition helps clarify the metabolic processes and potential clinical implications related to uric acid, especially in conditions like gout or kidney dysfunction.