Already Passed
Which blood type is considered the universal donor?
✔✔A) O negative
B) AB positive
C) A positive
D) B negative
What is the role of antibodies in the immune system?
✔✔A) To identify and neutralize foreign invaders
B) To produce red blood cells
C) To break down waste products
D) To transport oxygen
Which cell type is most involved in allergic reactions?
A) Erythrocytes
B) Monocytes
✔✔C) Basophils
1
,D) Platelets
What is the main purpose of performing a complete blood count (CBC)?
A) To check kidney function
✔✔B) To assess overall blood health
C) To measure cholesterol levels
D) To analyze enzyme activity
Which of the following tests measures blood glucose levels?
A) CBC
✔✔B) Fasting blood sugar (FBS)
C) Hemoglobin A1c
D) Lipid panel
What is the main purpose of a centrifuge in a lab?
A) To sterilize samples
✔✔B) To separate components of a sample based on density
C) To heat samples
2
,D) To freeze samples
What is the role of enzymes in biochemical reactions?
✔✔A) They act as catalysts to speed up reactions
B) They transport molecules
C) They destroy pathogens
D) They store energy
Which blood component is primarily responsible for immune response?
A) Platelets
✔✔B) White blood cells
C) Red blood cells
D) Plasma
What is the purpose of calibrating lab equipment?
A) To sterilize equipment
B) To improve accuracy and reliability of results
✔✔C) To ensure correct measurement readings
3
, D) To clean equipment
Which vitamin is essential for blood clotting?
A) Vitamin A
B) Vitamin C
✔✔C) Vitamin K
D) Vitamin D
In a standard lipid panel, which component is measured?
A) Blood glucose
✔✔B) Cholesterol
C) Hemoglobin
D) Enzymes
What does a high white blood cell count indicate?
A) Anemia
✔✔B) Infection or inflammation
C) Low oxygen levels
4