Question:
The blood product used for expanding plasma volume is
The blood product used for expanding plasma volume is
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Different blood products are given for different clinical needs.
Updated On: Jun 24, 2026
- Platelets
- Packed red cells
- Cryoprecipitate
- Albumin
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The Correct Option is D
Solution and Explanation
Concept:
Different blood products are given for different clinical needs. To expand plasma volume (for example in shock or low blood volume), we need a product that holds water inside the blood vessels by exerting oncotic (colloid osmotic) pressure.
Step 1: Albumin is the major plasma protein responsible for maintaining oncotic pressure. When infused, it pulls and holds fluid within the circulation, which expands the plasma volume. That is why human albumin solution is used as a plasma volume expander.
Step 2: The others serve other purposes — platelets are given to help clotting in low-platelet patients, packed red cells correct anemia and carry oxygen, and cryoprecipitate supplies clotting factors like fibrinogen. None of these is used primarily to expand plasma volume.
Answer: Option (4) — Albumin is the blood product used for expanding plasma volume. (4)
Different blood products are given for different clinical needs. To expand plasma volume (for example in shock or low blood volume), we need a product that holds water inside the blood vessels by exerting oncotic (colloid osmotic) pressure.
Step 1: Albumin is the major plasma protein responsible for maintaining oncotic pressure. When infused, it pulls and holds fluid within the circulation, which expands the plasma volume. That is why human albumin solution is used as a plasma volume expander.
Step 2: The others serve other purposes — platelets are given to help clotting in low-platelet patients, packed red cells correct anemia and carry oxygen, and cryoprecipitate supplies clotting factors like fibrinogen. None of these is used primarily to expand plasma volume.
Answer: Option (4) — Albumin is the blood product used for expanding plasma volume. (4)
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