The nurse is discharging home a client at risk for venous thromboembolism (VTE)on low-molecular-weight heparin.What instruction does the nurse provide to this client? A) "You must have your aPTT checked every 2 weeks." B) "Massage the injection site after the heparin is injected." C) "Notify your health care provider if your stools appear tarry." D) "An IV catheter will be placed to administer your heparin."