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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? 1 / 2
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✔✔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.
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