Diagnostic Testing MCQs

Which phase of diagnostic testing involves specimen collection and transportation?

• Pretest phase

• Intratest phase

• Post-test phase

• Analytic phase

The actual performance of a laboratory test occurs in which phase?

• Preanalytical phase

• Postanalytical phase

• Analytical phase

• Interpretative phase

The final interpretation and treatment plan based on test results are part of which phase?

• Pretest phase

• Intratest phase

• Post-test phase

• Sampling phase

What is the normal red blood cell (RBC) count range for males?

• 3.5-5.0 million/μL

• 4.2-5.4 million/μL

• 4.7-6.1 million/μL

• 5.0-6.5 million/μL

Leukocytosis is defined as:

• Decreased WBC count

• Increased RBC production

• Increased WBC count

• Decreased hemoglobin level

Which of the following white blood cells is most abundant in the body?

• Monocytes

• Eosinophils

• Neutrophils

• Basophils

A condition where there is a decrease in the production of WBCs is called:

• Leukemia

• Leukocytosis

• Leukopenia

• Anemia

Which type of white blood cell responds to parasitic infections?

• Basophils

• Eosinophils

• Neutrophils

• Monocytes

Hemoglobin's primary function is to:

• Destroy bacteria

• Coagulate blood

• Carry oxygen

• Maintain pH balance

What is a normal hematocrit value in females?

• 30%

• 35%

• 40%

• 45%