Q56 / 200 · MHT CET - Medical 2026 (24 April Shift 1) · Biology

With reference to human plasma, select the CORRECT match.

  • A
    Anticoagulant – Prothrombin
  • B
    Regulators - Antibodies
  • C
    Waste - Heparin
  • Correct answer
    D
    Protein - Properdin

Solution

Prothrombin is a plasma protein that acts as a procoagulant (clotting factor), not an anticoagulant.

Antibodies are immunoglobulins involved in defense mechanisms and immunity, not regulators.

Heparin is a natural anticoagulant present in the blood, not a waste product.

Properdin is a globulin protein found in blood plasma that participates in the alternative pathway of the complement system.

Answer: Protein - Properdin

Hence, the correct answer is option: 'D'.

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