Practice Test Geeks(CLT) Clinical Laboratory Technologist Certification Practice Test
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Patient Assessment & Clinical Evaluation Flashcards

7 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. A 65-year-old male with chest pain has troponin I of 0.04 ng/mL (reference <0.04). The most appropriate clinical interpretation is:

    Answer: Borderline elevation requiring serial testing and clinical correlation

    A borderline troponin at the 99th percentile requires serial measurements and clinical correlation to evaluate for rising or falling patterns consistent with acute MI.

  2. Which urinalysis finding requires the laboratory to immediately notify the ordering clinician regardless of the clinical setting?

    Answer: Greater than 50 RBCs/HPF

    Greater than 50 RBCs/HPF represents heavy hematuria, a critical finding that may indicate serious pathology such as malignancy or glomerulonephritis.

  3. A patient's hemoglobin A1c is 10.2%. Which average blood glucose level does this most closely correspond to?

    Answer: Approximately 240 mg/dL

    An HbA1c of 10.2% corresponds to an estimated average glucose of approximately 240 mg/dL over the preceding 2–3 months.

  4. A patient with suspected deep vein thrombosis has a D-dimer of 0.28 µg/mL FEU (reference <0.50). The most appropriate clinical interpretation is:

    Answer: Low probability of thrombotic disease

    A normal D-dimer has high negative predictive value, making active thrombosis unlikely and supporting low clinical probability when pre-test probability is low.

  5. A specimen from a febrile patient shows WBC count of 28,000/µL with 90% neutrophils and 8% bands. This leukocytosis pattern is most consistent with:

    Answer: Bacterial infection

    Marked neutrophilia with bandemia (left shift) is classically associated with acute bacterial infection driving bone marrow release of immature neutrophils.

  6. Which finding on a peripheral blood smear is most consistent with iron deficiency anemia?

    Answer: Microcytosis with hypochromia and target cells

    Iron deficiency anemia characteristically produces small (microcytic), pale (hypochromic) red cells that may include target cells on peripheral smear.

  7. A patient's arterial blood gas shows pH 7.28, PaCO2 55 mmHg, HCO3 24 mEq/L. This pattern indicates:

    Answer: Respiratory acidosis

    Low pH with elevated PaCO2 and normal bicarbonate indicates respiratory acidosis from CO2 retention without metabolic compensation.