NHA CCMA Questions and Answers |
Latest Version | 2025/2026 | Correct &
Verified
Which component of blood is primarily responsible for carrying oxygen?
✔✔Red blood cells (erythrocytes).
What is the primary function of platelets in the blood?
✔✔To aid in blood clotting and prevent excessive bleeding.
Which blood test measures the percentage of red blood cells in the blood?
✔✔Hematocrit (Hct).
What is the normal adult hemoglobin range for men?
✔✔13.5–17.5 g/dL.
Which white blood cell type is most abundant in a healthy adult?
✔✔Neutrophils.
1
,What is the purpose of a complete blood count (CBC)?
✔✔To evaluate overall health and detect a wide range of disorders, including anemia and
infection.
Which test measures the time it takes for blood to clot?
✔✔Prothrombin time (PT).
What is the function of hemoglobin in red blood cells?
✔✔To bind and transport oxygen from the lungs to body tissues.
Which white blood cell is primarily involved in allergic reactions?
✔✔Eosinophils.
What is the term for a lower-than-normal red blood cell count?
✔✔Anemia.
Which hematology test measures the number of white blood cells in a blood sample?
✔✔White blood cell count (WBC).
2
,Which blood component is responsible for immune defense?
✔✔White blood cells (leukocytes).
What is the normal platelet count range in adults?
✔✔150,000–450,000 per microliter of blood.
Which test is used to monitor patients on anticoagulant therapy such as warfarin?
✔✔International Normalized Ratio (INR).
Which white blood cell is responsible for producing antibodies?
✔✔B lymphocytes (B cells).
What is the medical term for an abnormally high white blood cell count?
✔✔Leukocytosis.
Which test evaluates the ability of platelets to form a blood clot?
✔✔Platelet function assay.
3
, What is the primary site of blood cell production in adults?
✔✔Bone marrow.
Which type of anemia is caused by vitamin B12 deficiency?
✔✔Pernicious anemia.
Which test measures the average size of red blood cells?
✔✔Mean corpuscular volume (MCV).
Which white blood cell fights viral infections?
✔✔Lymphocytes.
What is the medical term for a decrease in platelet count?
✔✔Thrombocytopenia.
Which test measures the amount of hemoglobin in the blood?
✔✔Hemoglobin (Hgb) test.
4
Latest Version | 2025/2026 | Correct &
Verified
Which component of blood is primarily responsible for carrying oxygen?
✔✔Red blood cells (erythrocytes).
What is the primary function of platelets in the blood?
✔✔To aid in blood clotting and prevent excessive bleeding.
Which blood test measures the percentage of red blood cells in the blood?
✔✔Hematocrit (Hct).
What is the normal adult hemoglobin range for men?
✔✔13.5–17.5 g/dL.
Which white blood cell type is most abundant in a healthy adult?
✔✔Neutrophils.
1
,What is the purpose of a complete blood count (CBC)?
✔✔To evaluate overall health and detect a wide range of disorders, including anemia and
infection.
Which test measures the time it takes for blood to clot?
✔✔Prothrombin time (PT).
What is the function of hemoglobin in red blood cells?
✔✔To bind and transport oxygen from the lungs to body tissues.
Which white blood cell is primarily involved in allergic reactions?
✔✔Eosinophils.
What is the term for a lower-than-normal red blood cell count?
✔✔Anemia.
Which hematology test measures the number of white blood cells in a blood sample?
✔✔White blood cell count (WBC).
2
,Which blood component is responsible for immune defense?
✔✔White blood cells (leukocytes).
What is the normal platelet count range in adults?
✔✔150,000–450,000 per microliter of blood.
Which test is used to monitor patients on anticoagulant therapy such as warfarin?
✔✔International Normalized Ratio (INR).
Which white blood cell is responsible for producing antibodies?
✔✔B lymphocytes (B cells).
What is the medical term for an abnormally high white blood cell count?
✔✔Leukocytosis.
Which test evaluates the ability of platelets to form a blood clot?
✔✔Platelet function assay.
3
, What is the primary site of blood cell production in adults?
✔✔Bone marrow.
Which type of anemia is caused by vitamin B12 deficiency?
✔✔Pernicious anemia.
Which test measures the average size of red blood cells?
✔✔Mean corpuscular volume (MCV).
Which white blood cell fights viral infections?
✔✔Lymphocytes.
What is the medical term for a decrease in platelet count?
✔✔Thrombocytopenia.
Which test measures the amount of hemoglobin in the blood?
✔✔Hemoglobin (Hgb) test.
4
