Phlebotomy Technician Practice Exam (NCPT/CPT) 2026 - Free Phlebotomy Practice Questions and Study Guide

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Where are platelets formed?

In bone marrow

Platelets are formed in the bone marrow. Platelets are tiny blood cells that are important for blood clotting. The bone marrow is the soft, spongy tissue found inside bones where blood cells are produced. The spleen, liver, and lymph nodes do not play a role in the formation of platelets.

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In the spleen

In the liver

In lymph nodes

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