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Book 4 - Self Instructional Manual for Cancer Registrars - SEER ...

Book 4 - Self Instructional Manual for Cancer Registrars - SEER ...

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Answer:Q18White blood cells which are known as leukocytes function as a defense or protectionagainst invading microorganisms (infection) or as a reaction to treatment by radiationand/or chemotherapy.Answer:Q19When a blood clot <strong>for</strong>ms in and clogs a vessel, it is called a thrombus. When a blood clotbreaks loose from an area in a vein and travels to another area and becomes lodged there,it is called an embolus.122

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