ATI Pharmacology 5.0 The Hematologic System Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

ATI Pharmacology 5.0 The Hematologic System Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Why is vitamin K considered the antidote for warfarin overdose? Because it reverses the anticoagulant effects of warfarin by promoting clotting factor synthesis. What is a common early sign of internal bleeding in patients taking anticoagulants? Unexplained bruising or bleeding gums. Why is heparin typically administered subcutaneously or intravenously instead of orally? Because it is poorly absorbed through the gastrointestinal tract. What symptom should a patient report immediately while on enoxaparin therapy? Sudden shortness of breath, which may indicate a pulmonary embolism. What is the purpose of using thrombolytic medications like alteplase? 2 To dissolve existing blood clots in emergencies such as stroke or myocardial infarction. Why should aspirin be used with caution in patients on anticoagulants? Because it increases the risk of bleeding by inhibiting platelet aggregation. What dietary consideration should be taught to patients taking warfarin? Maintain a consistent intake of foods containing vitamin K to prevent fluctuations in INR. What is the primary action of filgrastim in hematologic therapy? To stimulate the production of white blood cells in patients with neutropenia. Why should platelet counts be monitored closely when administering chemotherapy or bone marrow suppressants? Because these medications can cause thrombocytopenia and increase bleeding risk. What is the expected therapeutic effect of epoetin alfa? To increase red blood cell production in patients with anemia. 3 Why should a nurse monitor hemoglobin levels before administering epoetin alfa? Because high hemoglobin can increase the risk of stroke or thromboembolic events. What adverse effect should be monitored during iron supplement therapy? Constipation or dark stools. Why should iron supplements be taken on an empty stomach when possible? Because iron is best absorbed in an acidic environment without food interference. What is the purpose of using a straw when administering liquid iron orally? To prevent staining of the teeth. What should the nurse do if a patient on heparin develops a low platelet count? Report it immediately, as it may indicate heparin-induced thrombocytopenia. What is the safest injection site for administering subcutaneous enoxaparin? The abdomen, at least 2 inches away from the umbilicus. 4 Why should patients avoid using herbal supplements like garlic or ginkgo biloba with anticoagulants? Because they may increase the risk of bleeding. What is a serious side effect of clopidogrel that requires immediate attention? Unusual bleeding or signs of stroke such as sudden confusion or weakness. Why is a test dose often given before administering iron dextran IM or IV? To check for allergic reactions, as serious anaphylaxis can occur. What method is used for intramuscular administration of iron dextran? Z-track method, to prevent staining and tissue irritation. What is a therapeutic use of oprelvekin? To increase platelet production