Laboratory Science Hematology and Blood Analysis 2

Question 1

What does an elevated ESR (erythrocyte sedimentation rate) typically indicate?

Accepted Answer

Increased presence of inflammation or infection

Answer

Normal physiological state

Answer

Decreased platelet count

Answer

Iron overload

Question 2

Which coagulation pathway is measured by the PT (prothrombin time) test?

Accepted Answer

Extrinsic pathway

Answer

Intrinsic pathway

Answer

Common pathway only

Answer

Fibrinolytic pathway

Question 3

A differential WBC count showing 85% neutrophils in an adult patient most likely suggests which condition?

Accepted Answer

Bacterial infection

Answer

Viral infection

Answer

Allergic reaction

Answer

Parasitic infestation

Question 4

What is the normal platelet count range in adults?

Accepted Answer

150,000–400,000/µL

Answer

50,000–100,000/µL

Answer

500,000–800,000/µL

Answer

1,000,000–1,500,000/µL

Question 5

Which blood cell type is elevated in allergic reactions and parasitic infections?

Accepted Answer

Eosinophils

Answer

Neutrophils

Answer

Monocytes

Answer

Basophils

Question 6

What does a high MCHC (Mean Corpuscular Hemoglobin Concentration) in a blood sample indicate?

Accepted Answer

Spherocytosis or technical error (hemolysis)

Answer

Microcytic anemia

Answer

Iron deficiency

Answer

Vitamin B12 deficiency