A rhombus by definition has four equal sides and the sum of its internal angles is 360o A square is a speical case of the rhombus as it is further defined that its internal anâ¦gles are all equal (to 90o) So, some rhombuses may be squares, and, all squares are rhombuses.
Renal Mechanism of Trimethoprim-induced Hyperkalemia. From the Department of Veterans Affairs Medical Center, West Haven, Connecticut; Yale University School of Medicine, New Haven, Connecticut.
DRUG CLASS AND MECHANISM: Polymyxin B sulfate/ trimethoprim is an antibiotic eye drop composed of two drugs. Polymyxin B sulfate works by altering bacterial cell wall structure that causes the leaking out of cellular contents that can result in cell death. Trimethoprim is an antibiotic that interferes with the production of tetrahydrofolic acid, a chemical that is necessary for bacteria and human cells to produce proteins.