Practice Test Geeks(CLT) Clinical Laboratory Technologist Certification Practice Test
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CLT Hematology & Blood Analysis Flashcards

6 cards from real CLT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which blood cell type is primarily responsible for oxygen transport throughout the body?

    Answer: Erythrocytes

    Erythrocytes (red blood cells) contain hemoglobin, which binds oxygen and carries it to tissues throughout the body.

  2. A patient's CBC shows a hemoglobin of 8.5 g/dL. This finding is most consistent with which condition?

    Answer: Anemia

    A hemoglobin below the normal range (13.5–17.5 g/dL for males, 12–15.5 g/dL for females) indicates anemia.

  3. Which stain is most commonly used to differentiate the morphology of blood cells in a peripheral blood smear?

    Answer: Wright-Giemsa stain

    Wright-Giemsa stain is the standard differential stain used in hematology to identify and differentiate blood cell types on a peripheral smear.

  4. What does the Mean Corpuscular Volume (MCV) measure in a CBC?

    Answer: Average size of red blood cells

    MCV measures the average volume (size) of individual red blood cells, expressed in femtoliters (fL), used to classify anemia types.

  5. An elevated eosinophil count (eosinophilia) is most commonly associated with which condition?

    Answer: Allergic reactions or parasitic infections

    Eosinophilia is classically associated with allergic conditions such as asthma or parasitic infections that trigger an immune response.

  6. What is the normal platelet count range for an adult?

    Answer: 150,000–400,000/µL

    The normal adult platelet count is 150,000–400,000 per microliter; counts below this are called thrombocytopenia.