A patient in the hospital has been receiving heparin injections. The platelet count on admission was 222,(000/m) m³ and four days later is 113,(000/m) m³. What is the best action for the healthcare professional to take? 〇 Prepare to transfuse the patient with platelets. 〇 Do nothing; this is an expected side effect. 〇 Switch the heparin to an alternative anticoagulant. 〇 Stop all the patient's medicati