What does a CBC include?
A CBC includes red-cell measures, white-cell count, and platelet count.
Study 2 Hematology and Coagulation with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
What does a CBC include?
A CBC includes red-cell measures, white-cell count, and platelet count.
What information does a white-cell differential provide?
A differential gives counts or percentages of white-cell types.
What risk does the absolute neutrophil count help estimate?
ANC is particularly useful for estimating infection risk, especially in neutropenia.
What do low and high MCV indicate?
A low MCV indicates microcytosis; a high MCV indicates macrocytosis.
What do low hemoglobin and hematocrit suggest?
Low hemoglobin and hematocrit indicate anemia, but results must be interpreted with symptoms and clinical findings.
Does microcytosis alone identify the cause of anemia?
Iron deficiency is one possible cause, but a microcytic pattern alone does not establish the cause.
How should fever with severe neutropenia be handled?
An ANC below 500 cells per microliter is severe neutropenia. Fever in this setting requires prompt assessment and immediate escalation under the local protocol.
Does a high WBC count prove sepsis?
No. Leukocytosis can occur with infection, inflammation, stress, or other conditions; it does not diagnose sepsis by itself.
What action is appropriate for suspected infection with hypotension and new confusion?
Promptly assess the patient and activate the facility’s urgent escalation or sepsis pathway; hypotension and new confusion are urgent findings.
What is the priority when a very low platelet count is accompanied by bleeding?
A low platelet count increases bleeding risk. Assess promptly, use bleeding precautions, and notify the responsible clinician or team.
Which less-visible bleeding signs should be assessed with severe thrombocytopenia?
Assess for neurologic changes, severe headache, blood in urine or stool, and persistent mucosal bleeding.
What does PT/INR commonly monitor, and what affects the target range?
PT/INR commonly monitors warfarin effect. The intended INR range depends on why the patient takes warfarin.
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