#1
Which of the following is a primary goal of immunization?
To treat existing infections
To prevent the spread of diseases
To cure chronic illnesses
To enhance physical fitness
#2
What is herd immunity?
The immunity of a single individual
The resistance of a community to a specific disease
The immunity of domestic animals
The immunity of wildlife species
#3
Which of the following vaccines requires periodic re-administration throughout a person's life?
Hepatitis A vaccine
Yellow fever vaccine
Tetanus vaccine
Rabies vaccine
#4
What is the recommended age for administering the MMR (Measles, Mumps, and Rubella) vaccine?
2-4 months
6-8 months
12-15 months
18-24 months
#5
What is the primary purpose of the National Immunization Days (NIDs) organized by health authorities?
To celebrate achievements in public health
To raise awareness about infectious diseases
To provide free vaccinations to the entire population
To distribute educational materials on nutrition
#6
What is a vaccine?
A type of antibiotic
A weakened or inactivated form of a pathogen
A painkiller
A type of vitamin
#7
Which immunization method involves exposing an individual to a weakened or inactivated form of a pathogen?
Passive immunization
Active immunization
Innate immunization
Artificial immunization
#8
Which type of vaccine is made from fragments of the pathogen?
Live attenuated vaccine
Inactivated vaccine
Subunit, recombinant, or conjugate vaccine
Toxoid vaccine
#9
What is the purpose of a booster shot in vaccination?
To initiate the primary immune response
To enhance the effectiveness of the initial vaccine
To eliminate the need for future vaccinations
To replace the initial vaccine
#10
What is the purpose of the World Health Organization's Expanded Program on Immunization (EPI)?
To promote alternative medicine
To eradicate all infectious diseases
To provide free vaccines to developing countries
To regulate the pharmaceutical industry
#11
Which type of immunity is acquired through the transfer of antibodies from another individual or animal?
Active immunity
Passive immunity
Innate immunity
Artificial immunity
#12
What is the purpose of an adjuvant in vaccines?
To increase the shelf life of the vaccine
To enhance the taste of the vaccine
To boost the immune response to the vaccine
To dilute the vaccine
#13
Which of the following is an example of a live attenuated vaccine?
Hepatitis B vaccine
Influenza vaccine
Polio vaccine
Measles vaccine
#14
Which of the following diseases has been successfully eradicated through vaccination?
Smallpox
Polio
Measles
Influenza
#15
What is the role of memory cells in the immune system?
To initiate the immune response
To store information about previous infections
To produce antibodies
To destroy pathogens
#16
What is the main advantage of subunit vaccines?
Long-lasting immunity
Low cost of production
Reduced risk of adverse reactions
Simulated natural infection
#17
In vaccine development, what does the term 'efficacy' refer to?
The ability to produce an immune response
The ability to prevent disease in a controlled environment
The effectiveness in real-world conditions
The ability to provide immediate protection