Which of the following are components of the complete blood count (CBC)? Select all that apply.
Hemoglobin level
Blood glucose level
White blood cell count
Platelet count
Red blood cell count
Correct Answer : A,C,D,E
A. Hemoglobin level is a key component of the CBC, reflecting the oxygen-carrying capacity of the blood.
B. Blood glucose level is not part of the CBC; it is typically measured separately in metabolic panels or glucose tests.
C. White blood cell count is included in the CBC and is important for assessing the immune response.
D. Platelet count is also part of the CBC and is essential for evaluating clotting function.
E. Red blood cell count is included in the CBC and is crucial for assessing overall blood health and anemia status.
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Correct Answer is B
Explanation
A. Distended jugular veins may indicate fluid overload or congestive heart failure, not an allergic reaction.
B. Generalized urticaria, or hives, is a classic sign of an allergic transfusion reaction, presenting as an itchy rash or welts on the skin.
C. Bilateral flank pain is more indicative of a hemolytic reaction, particularly due to kidney involvement, rather than an allergic reaction.
D. A blood pressure of 184/92 mm Hg may suggest hypertension or a reaction, but it is not specific to allergic transfusion reactions, which are characterized by skin symptoms like urticaria.
Correct Answer is B
Explanation
A. Over-hydration is not a trigger for a sickle cell crisis; in fact, adequate hydration helps prevent sickling of the cells.
B. Dehydration is a significant trigger for sickle cell crises, as it can lead to increased blood viscosity and sickling of red blood cells.
C. Non-steroidal anti-inflammatory drugs (NSAIDs) are often used to manage pain associated with sickle cell crises, but they do not trigger a crisis.
D. Vaccinations are important for preventing infections in individuals with sickle cell anemia but are not associated with triggering a sickle cell crisis.