<prompt> For what procedure is the instrument depicted in the diagram used?Bone marrow biopsyPleural biopsyKidney biopsyLiver biopsy  <response>: Ans. a. Bone marrow biopsy Ref: Dacie Practical Hematology We p163The given diagram shows various types of bone marrow biopsy needles.Bone Marrow Biopsy NeedlesNeedles most commonly used for obtaining bone marrow aspirates from sternum are Salah, Klima Jamshidi needlesQ.Salah NeedleKlima NeedleJamshidi Needle Salah sternal puncture needle is a wide-bore needle for obtaining samples of red marrow from sternum. The needle is advanced into the marrow cavity with the stylet locked in place. The stylet is then removed and a syringe used to aspirate the marrow. The stylet is in place for advancement through soft tissue and cortex. On reaching marrow, the needle is advanced without the stylet to create a core sample. The probe hooked is used to expel the sample into formalin. 