1. What is the primary purpose of vaccination?
a) To cure diseases
b) To prevent diseases
c) To boost metabolism
d) To destroy pathogens
Answer: b) To prevent diseases
2. What type of immunity is developed through vaccination?
a) Passive natural immunity
b) Active artificial immunity
c) Passive artificial immunity
d) Active natural immunity
Answer: b) Active artificial immunity
3. Which type of vaccine contains weakened live pathogens?
a) Inactivated vaccine
b) Live attenuated vaccine
c) Subunit vaccine
d) Toxoid vaccine
Answer: b) Live attenuated vaccine
4. What is an example of a live attenuated vaccine?
a) Polio vaccine (IPV)
b) Hepatitis B vaccine
c) Measles, Mumps, and Rubella (MMR) vaccine
d) Influenza vaccine
Answer: c) Measles, Mumps, and Rubella (MMR) vaccine
5. Which component in a vaccine stimulates the immune response?
a) Antibiotics
b) Adjuvants
c) Pathogens
d) Antigens
Answer: d) Antigens
6. What is herd immunity?
a) Immunity in animals
b) Immunity in a population due to widespread vaccination
c) Immunity inherited from parents
d) Immunity from prior infection
Answer: b) Immunity in a population due to widespread vaccination
7. What is the purpose of adjuvants in vaccines?
a) To enhance the immune response
b) To kill pathogens
c) To stabilize the vaccine
d) To neutralize toxins
Answer: a) To enhance the immune response
8. Which vaccine is used to prevent tuberculosis?
a) BCG vaccine
b) DTP vaccine
c) Hepatitis B vaccine
d) Polio vaccine
Answer: a) BCG vaccine
9. Who is considered the pioneer of vaccination?
a) Louis Pasteur
b) Robert Koch
c) Edward Jenner
d) Alexander Fleming
Answer: c) Edward Jenner
10. What type of immunity does maternal antibodies provide?
a) Active artificial immunity
b) Passive natural immunity
c) Active natural immunity
d) Passive artificial immunity
Answer: b) Passive natural immunity
11. Which disease was eradicated globally through vaccination?
a) Polio
b) Measles
c) Smallpox
d) Diphtheria
Answer: c) Smallpox
12. What is a booster dose?
a) An additional dose of a vaccine to reinforce immunity
b) The first dose of a vaccine
c) A vaccine for a different disease
d) A test dose to check for allergies
Answer: a) An additional dose of a vaccine to reinforce immunity
13. What does an inactivated vaccine contain?
a) Live pathogens
b) Killed pathogens
c) DNA fragments
d) Toxins
Answer: b) Killed pathogens
14. Which vaccine prevents cervical cancer?
a) Polio vaccine
b) HPV vaccine
c) Hepatitis B vaccine
d) Influenza vaccine
Answer: b) HPV vaccine
15. What is the term for a vaccine that uses a piece of the pathogen?
a) Subunit vaccine
b) Live attenuated vaccine
c) Conjugate vaccine
d) Inactivated vaccine
Answer: a) Subunit vaccine
16. What is the primary function of a toxoid vaccine?
a) To neutralize toxins produced by pathogens
b) To kill pathogens
c) To prevent viral replication
d) To activate T cells directly
Answer: a) To neutralize toxins produced by pathogens
17. What is an example of a toxoid vaccine?
a) Tetanus vaccine
b) Influenza vaccine
c) MMR vaccine
d) BCG vaccine
Answer: a) Tetanus vaccine
18. How are vaccines typically administered?
a) Orally
b) Intramuscularly
c) Subcutaneously
d) All of the above
Answer: d) All of the above
19. What is a contraindication to receiving a vaccine?
a) Mild fever
b) Severe allergic reaction to a previous dose
c) History of vaccination
d) Age below one year
Answer: b) Severe allergic reaction to a previous dose
20. How does a vaccine create memory cells?
a) By stimulating the innate immune system
b) By triggering a primary immune response
c) By directly attacking pathogens
d) By neutralizing toxins
Answer: b) By triggering a primary immune response
21. What is the role of mRNA in mRNA vaccines?
a) To stimulate antibody production
b) To encode for a viral protein
c) To weaken the virus
d) To kill bacteria
Answer: b) To encode for a viral protein
22. What is a major advantage of live attenuated vaccines?
a) Long-lasting immunity
b) Easy storage
c) No side effects
d) Single-dose immunity
Answer: a) Long-lasting immunity
23. Which vaccine prevents hepatitis B?
a) MMR vaccine
b) DTP vaccine
c) HBV vaccine
d) Polio vaccine
Answer: c) HBV vaccine
24. What is the main challenge with live attenuated vaccines?
a) They may revert to virulent form
b) High cost of production
c) Lack of effectiveness
d) Limited immune response
Answer: a) They may revert to virulent form
25. Which age group typically receives the DTP vaccine?
a) Adults only
b) Infants and children
c) Elderly individuals
d) Pregnant women
Answer: b) Infants and children
26. What is the role of polysaccharides in conjugate vaccines?
a) They act as carriers
b) They elicit a strong immune response
c) They neutralize toxins
d) They kill pathogens directly
Answer: b) They elicit a strong immune response
27. Which of the following is a DNA-based vaccine?
a) Hepatitis B vaccine
b) Johnson & Johnson COVID-19 vaccine
c) MMR vaccine
d) Polio vaccine
Answer: b) Johnson & Johnson COVID-19 vaccine
28. What does the term “cold chain” refer to in vaccination?
a) Transporting vaccines at low temperatures
b) Storing vaccines at room temperature
c) Delivering vaccines rapidly
d) Increasing vaccine efficacy
Answer: a) Transporting vaccines at low temperatures
29. What is the term for the first dose of a vaccine given to a child?
a) Booster dose
b) Primary dose
c) Initial dose
d) Trial dose
Answer: b) Primary dose
30. Which vaccine prevents polio?
a) IPV and OPV vaccines
b) MMR vaccine
c) BCG vaccine
d) Influenza vaccine
Answer: a) IPV and OPV vaccines
