IMMUNOLOGY EXAMINATION QUESTIONS AND CORRECT ANSWER WITH EXPLANATION GRADED A+ STUDY GUIDE

IMMUNOLOGY EXAMINATION QUESTIONS AND
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Immunology is the study of:
A. The immune system
B. Rocks and minerals
C. Weather systems
D. Muscle movement
Answer: A
Rationale: Immunology focuses on body defense mechanisms.

2. The immune system protects the body against:
A. Pathogens
B. Vitamins
C. Hormones
D. Nutrients
Answer: A
Rationale: Immune responses target harmful organisms.

3. Pathogens include:
A. Bacteria, viruses, and fungi
B. Proteins only
C. Hormones only
D. Red blood cells only
Answer: A
Rationale: These organisms can cause disease.

4. The first line of defense in the body is the:
A. Skin and mucous membranes
B. Antibodies
C. T cells
D. Bone marrow
Answer: A
Rationale: Physical barriers prevent pathogen entry.

5. Innate immunity is:
A. Non-specific defense

, B. Acquired defense only
C. Antibody production only
D. Genetic mutation only
Answer: A
Rationale: Provides immediate protection.

6. Adaptive immunity is characterized by:
A. Specificity and memory
B. Random response only
C. No memory
D. Lack of antibodies
Answer: A
Rationale: Targets specific pathogens and remembers them.

7. White blood cells are also called:
A. Leukocytes
B. Erythrocytes
C. Platelets
D. Osteocytes
Answer: A
Rationale: Leukocytes defend against infection.

8. Neutrophils mainly function in:
A. Phagocytosis
B. Antibody production
C. Oxygen transport
D. Blood clotting
Answer: A
Rationale: They engulf pathogens.

9. Macrophages are important for:
A. Phagocytosis and antigen presentation
B. Oxygen transport
C. Hormone production
D. Bone formation
Answer: A
Rationale: Key cells in innate and adaptive immunity.

10. Lymphocytes include:
A. B cells and T cells

, B. Red blood cells only
C. Platelets only
D. Neutrophils only
Answer: A
Rationale: Major adaptive immune cells.

11. B lymphocytes mature in the:
A. Bone marrow
B. Thymus
C. Spleen
D. Liver
Answer: A
Rationale: Site of B-cell development.

12. T lymphocytes mature in the:
A. Thymus
B. Bone marrow
C. Liver
D. Kidneys
Answer: A
Rationale: T-cell maturation organ.

13. Antibodies are produced by:
A. Plasma cells
B. Neutrophils
C. Platelets
D. Macrophages
Answer: A
Rationale: Activated B cells form plasma cells.

14. Antibodies are also called:
A. Immunoglobulins
B. Antigens
C. Cytokines
D. Hormones
Answer: A
Rationale: Scientific name for antibodies.

15. The basic unit recognized by antibodies is the:
A. Antigen