________ needles allow the surgeon to go in and out of a tissue when there is not enough room to maneuver a straight needle

Which of the following conditions would warrant a bone marrow aspiration?

a. Iron deficiency in a patient with colon cancer b. Severe hereditary spherocytosis c. Disseminated intravascular coagulation (DIC) with very low hemoglobin and marked red cell fragments d. Not possible to determine obvious reason for anemia

Specialized imaging modality that uses ionizing radiation for diagnostic cardiac studies, percutaneous coronary intervention and therapeutic application.

What will be an ideal response?