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Illinois Clinical Laboratory Scientist Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

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Illinois Clinical Laboratory Scientist Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download PdfIllinois Clinical Laboratory Scientist Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download PdfIllinois Clinical Laboratory Scientist Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download PdfIllinois Clinical Laboratory Scientist Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download PdfIllinois Clinical Laboratory Scientist Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download PdfIllinois Clinical Laboratory Scientist Licensing Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

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Illinois Clinical Laboratory Scientist
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Il Licensing Examination Practice Il Il




Il Questions And Correct Answers (Verified Il Il Il Il




Answers)PlusRationales2026 Q&A |
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Il Instant Download Pdf Il Il




1. Which anticoagulant is preferred for coagulation studies?
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A. EDTA
B. Heparin
C. Sodium citrate Il




D. Oxalate

C. Sodium citrate
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Rationale: Sodium citrate binds calcium reversibly and preserves coagulation
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factors,making it the anticoagulant of choice for coagulation tests.
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, 2. Theprimary function of hemoglobin is to:
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A. Fight infection Il




B. Transport oxygen Il




C. Clot blood Il




D. Maintain pH Il




B. Transport oxygen
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Rationale: Hemoglobin in red blood cells binds oxygen in the lungs and delivers
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Il it to tissues.
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3. Which of the following is considered a granulocyte?
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A. Lymphocyte
B. Monocyte
C. Neutrophil
D. Eosinophil

C. Neutrophil
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Rationale: Neutrophils, eosinophils, and basophils are granulocytes due to
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Il their cytoplasmic granules; lymphocytesand monocytes are agranulocytes.
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4. The most abundant plasma protein is:
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A. Albumin
B. Fibrinogen
C. Globulin
D. Hemoglobin

,A. Albumin
Rationale: Albumin maintains oncotic pressure and is the most abundant
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Il plasma protein. Il




5. AGram-positive cocci in clusters most likely represents:
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A. Streptococcus
B. Staphylococcus
C. Neisseria
D. Enterococcus

B. Staphylococcus
Rationale: Staphylococcus species appear as Gram-positive cocci in clusters;
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Il Streptococcus is in chains. Il Il Il




6. Which vitamin is essential for coagulation factor synthesis?
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A. Vitamin A Il




B. Vitamin D Il




C. Vitamin E Il




D. Vitamin K Il




D. Vitamin K
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Rationale: Vitamin K is required for synthesis of clotting factors II, VII, IX, and X.
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7. Thenormal adult white blood cell count ranges from:
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A. 1,000–5,000/µL
B. 4,500–11,000/µL

, C. 15,000–20,000/µL
D. 50,000–100,000/µL

B. 4,500–11,000/µL
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Rationale: The normal WBC count is 4.5–11 × 10^9/L (or 4,500–11,000/µL).
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8. Which test is used to monitor heparin therapy?
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A. PT
B. aPTT
C. INR
D. Fibrinogen

B. aPTTIl




Rationale:Activated partial thromboplastin time(aPTT)monitors heparin
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Il anticoagulation.

9. Which blood component is most affected by EDTA anticoagulant?
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A. Platelets
B. RBC morphology Il




C. Coagulation factors Il




D. Plasma proteins Il




B. RBC morphology
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Rationale: EDTA preserves cellular elements but may alter RBC morphology
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Il over time if samples are stored too long.
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10. Thepresence of Auer rods is indicative of:
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A. Chronic lymphocytic leukemia Il Il

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