Question 01: Rh Antigen

Rh-ve patient means he does not have:

  • [ ] E antigen

  • [✓] D antigen (CORRECT)

  • [ ] B antigen

  • [ ] C antigen

Question 02: Primary Antibody Response

The first antibody response appears after infection:

  • [ ] Ig A.

  • [✓] Ig M. (CORRECT)

  • [ ] Ig G

  • [ ] Ig D.

Question 03: Hemoglobin Normal Range

The normal range of hemoglobin in an adult male is:

  • [✓] 14-18 g/dl. (CORRECT)

  • [ ] 12-14 g/dl.

  • [ ] 10-12 g/dl

  • [ ] 15- 20 g/dl

Question 04: RBC Lifespan

Life span of red blood cells in the circulation (body):

  • [ ] 80 days

  • [✓] 120 days (CORRECT)

  • [ ] 130 days

  • [ ] 230 days

Question 05: Chemical Indicator

An indicator is:

  • [✓] Change color with change pH (CORRECT)

  • [ ] Resist acidic pH

  • [ ] Resist alkaline pH

  • [ ] Weak acid + weak base

Question 06: Viral Transmission

Which of the following viruses does not transmit by blood:

  • [✓] HAV (CORRECT)

  • [ ] HIV

  • [ ] HTLV-1

  • [ ] HBV

Question 07: Urea Catabolism

Urea is final product of catabolism of:

  • [✓] amino acid (CORRECT)

  • [ ] triglyceride

  • [ ] cholesterol

  • [ ] polysaccharide

Question 08: Serum Sodium Reference

The normal value of (Na) in serum is:

  • [ ] 135 -145 mg/dl

  • [ ] 135-145 mmol/dl

  • [✓] 135-145 mmol/l (CORRECT)

  • [ ] 135-145 IU/L

Question 09: Giardia Infection

Infection with Giardia lamblia is through:

  • [ ] Ingestion of the trophozoite stage

  • [✓] Food or water contaminated with the cyst stage (CORRECT)

  • [ ] Ingestion of the mature egg

  • [ ] Water contaminated with cesticerci

Question 10: Non-Serum Tests

Which test could not be performed on a serum sample:

  • [ ] vitamin B12.

  • [ ] total lipids

  • [✓] clotting factors (CORRECT)

  • [ ] potassium

Question 11: Blood Donor Limits

The lower limit of Hb in female blood donor is:

  • [ ] 10gm/dl

  • [✓] 12gm/dl (CORRECT)

  • [ ] 13gm/dl

  • [ ] 14 gm/dl

Question 12: Rheumatoid Factor

The RA latex tests used as a screening test for:

  • [ ] Thyroiditis

  • [ ] Infectious mononucleosis

  • [✓] Rheumatoid arthritis (CORRECT)

  • [ ] Thalassemia

Question 13: Calcium Absorption

Which of the following vitamin is essential for absorption of Ca from the intestinal tract?

  • [✓] vit D (CORRECT)

  • [ ] vit E

  • [ ] vit B12

  • [ ] vit B6

Question 14: Bacterial Motility

Bacteria having no flagella are unable to:

  • [✓] move (CORRECT)

  • [ ] reproduce

  • [ ] stick to tissue surfaces

  • [ ] grow in nutrient agar

Question 15: Brucellosis Transmission

Human transmission of Brucellae occurs by:

  • [ ] Contaminated soil

  • [✓] Ingestion of infected milk (CORRECT)

  • [ ] Contaminated water

  • [ ] Eating contaminated fish

Last modified: Sunday, 18 October 2026, 6:51 AM