<prompt> Fluorescein for ophthalmological diagnosis is injected in -Antecubital veinPopliteal veinFemoral veinSubclavian vein  <response>: Ans. a Antecubital veinRef: Diagnostic Procedures by Nema, 2e, p. 177The technique of fluorescein angiography comprises rapidly injecting 5 mL of 10 solution of sterile sodium fluorescein dye in the antecubital vein and taking serial photographs of the fundus. 