Lab Values Quiz (14 Practice Questions)

Lab values are an essential part in Medical exams. Here are the Practice questions for your upcoming Nursing exams. Every question is with answer and explanation. following are the collection of 14 Practice questions of nursing exams.


Laboratory Values Nclex Practice Questions


Red Blood cells

RBC count (erythrocytes) Study Review


  • RBCs function in hemoglobin transport, which results in delivery of oxygen to the body tissues.
  • RBCs are formed by red bone marrow, have a life span of 120 days, and are removed from the blood via the liver, spleen, and bone marrow.
  • The RBC count aids in diagnosing anemias and blood dyscrasias.
  • The RBC count evaluates the ability of the body to produce RBCs in sufficient numbers.

RBC Normal Values

  • Female adult: 4 to 5.5 million cells/μL
  • Male adult: 4.5 to 6.2 million cells/μL
  • Nursing consideration: Fasting is not required.


Hemoglobin and hematocrit


  • Hemoglobin is the main component of erythrocytes and serves as the vehicle for transporting oxygen and carbon dioxide.
  • Hemoglobin determinations are important in identifying anemia.
  • Hematocrit represents red blood cell (RBC) mass and is an important measurement in the identification of anemia or polycythemia

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