Answers | Latest Version | 2024/2025 |
Correct & Verified
What is the primary function of the immune system?
✔✔ To protect the body from pathogens and infections
Which type of white blood cell is responsible for producing antibodies?
✔✔ B cells
What is the role of T cells in the immune system?
✔✔ They help identify and destroy infected cells
Which organ produces T cells?
✔✔ Thymus
What is the first line of defense in the immune system?
✔✔ Skin and mucous membranes
1
,How does the body recognize a pathogen it has encountered before?
✔✔ Through memory cells
Which protein helps the immune system recognize foreign invaders?
✔✔ Antibodies
What is the purpose of inflammation in the immune response?
✔✔ To increase blood flow and bring immune cells to the affected area
Which type of immunity is acquired through vaccination?
✔✔ Adaptive immunity
What is the difference between innate and adaptive immunity?
✔✔ Innate immunity is present at birth, while adaptive immunity develops over time
How do vaccines help the immune system?
✔✔ They train the immune system to recognize and fight specific pathogens
2
,Which type of white blood cell engulfs and digests pathogens?
✔✔ Macrophages
What is an autoimmune disease?
✔✔ A condition where the immune system attacks the body’s own cells
What substance is released by mast cells during an allergic reaction?
✔✔ Histamine
How does a fever help fight infections?
✔✔ It slows down pathogen growth and boosts immune activity
Which type of immunity is passed from mother to baby through breast milk?
✔✔ Passive immunity
What is the function of lymph nodes in the immune system?
✔✔ They filter harmful substances and produce immune cells
3
, Which type of immune response involves antibodies?
✔✔ Humoral immunity
What happens when the immune system overreacts to harmless substances?
✔✔ An allergic reaction
Which cells are responsible for killing virus-infected cells?
✔✔ Cytotoxic T cells
How do natural killer cells fight infections?
✔✔ They attack and destroy virus-infected or cancerous cells
What is the role of the spleen in the immune system?
✔✔ It filters blood and helps fight infections
Which immune system disorder causes the body to have difficulty fighting infections?
✔✔ Immunodeficiency disorder
4