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ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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What is the liquid portion of blood?

Blood
Plasma
Platelets
Leukocytes

Explanation

Answer: B - Plasma is the liquid portion of blood. Within the plasma are erythrocytes, leukocytes, and platelets. Erythrocytes are the most numerous cells. Leukocytes can be granular and nongranular. Platelets are cell fragments of red bone marrow that do not contain nuclei.

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