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Laboratory Procedures Flashcards

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

Read the first 7 Laboratory Procedures flashcards as text

  1. Which of the following urine sediment findings is MOST consistent with a bacterial urinary tract infection?

    Answer: Bacteria and WBC casts

    Bacteria combined with WBC casts in urine sediment strongly indicate a bacterial infection involving the renal tubules or upper urinary tract.

  2. What is the purpose of a differential white blood cell count?

    Answer: To identify the percentage of each type of WBC present

    A differential WBC count classifies the proportion of neutrophils, lymphocytes, monocytes, eosinophils, and basophils to help diagnose infections, allergies, and hematologic conditions.

  3. A blood glucose result of 52 mg/dL in a fasting patient is classified as:

    Answer: Hypoglycemia

    A fasting blood glucose below 70 mg/dL is classified as hypoglycemia and requires immediate clinical attention.

  4. Which specimen type is required for a fecal occult blood test (FOBT)?

    Answer: Random stool sample

    FOBT requires a stool (fecal) specimen to detect hidden (occult) blood that may indicate gastrointestinal bleeding or colorectal cancer.

  5. When performing a pregnancy test using a urine specimen, the test detects which hormone?

    Answer: Human chorionic gonadotropin (hCG)

    Urine pregnancy tests detect human chorionic gonadotropin (hCG), which is produced by the placenta shortly after implantation.

  6. Which of the following is the BEST action when a phlebotomist notices petechiae on a patient's arm during venipuncture preparation?

    Answer: Document the finding and notify the provider before proceeding

    Petechiae can indicate a clotting disorder or fragile capillaries; the finding should be documented and reported to the provider before proceeding with the procedure.

  7. Which laboratory test is used to monitor long-term blood glucose control in diabetic patients over the past 2–3 months?

    Answer: Hemoglobin A1c (HbA1c)

    HbA1c measures the percentage of glycated hemoglobin and reflects average blood glucose levels over the preceding 2–3 months, making it the standard for long-term diabetes management.