Vaccines work by stimulating the body’s immune system to:
a) Produce more white blood cells
b) Neutralize toxins
c) Destroy bacteria directly
d) Recognize and fight specific pathogens
Answer: d) Recognize and fight specific pathogens
Which of the following is an example of a live attenuated vaccine?
a) Tetanus vaccine
b) Influenza vaccine
c) Measles vaccine
d) Hepatitis B vaccine
Answer: c) Measles vaccine
A vaccine contains:
a) The disease-causing pathogen
b) Antibodies against the pathogen
c) Dead or weakened forms of the pathogen
d) Synthetic chemicals that mimic the pathogen
Answer: c) Dead or weakened forms of the pathogen
Which of the following is an example of a subunit vaccine?
a) Polio vaccine
b) Yellow fever vaccine
c) MMR vaccine
d) Hepatitis B vaccine
Answer: d) Hepatitis B vaccine
The process of giving a vaccine to produce immunity is called:
a) Immunization
b) Antibody therapy
c) Inoculation
d) Herd immunity
Answer: a) Immunization
Which of the following is an example of a conjugate vaccine?
a) Diphtheria vaccine
b) Hepatitis A vaccine
c) Pneumococcal vaccine
d) HPV vaccine
Answer: c) Pneumococcal vaccine
The process of reducing the strength of a pathogen for use in a vaccine is called:
a) Attenuation
b) Inactivation
c) Conjugation
d) Stimulation
Answer: a) Attenuation
Which of the following is an example of a toxoid vaccine?
a) Pertussis vaccine
b) Polio vaccine
c) Rotavirus vaccine
d) Tetanus vaccine
Answer: d) Tetanus vaccine
Herd immunity occurs when:
a) A large proportion of the population is immune to a disease
b) Vaccinated individuals are protected from the disease
c) The disease-causing pathogen becomes less virulent
d) Antibodies are transferred from mother to baby during pregnancy
Answer: a) A large proportion of the population is immune to a disease
Which of the following is an example of a DNA vaccine?
a) Influenza vaccine
b) Rabies vaccine
c) COVID-19 vaccine
d) Meningococcal vaccine
Answer: c) COVID-19 vaccine
The term “herd immunity” refers to:
a) Immunity gained from consuming animal products
b) Immunity achieved by vaccinating a group of animals
c) Immunity that protects a population from a disease
d) Immunity provided by breastfeeding
Answer: c) Immunity that protects a population from a disease
Which of the following is an example of a recombinant vaccine?
a) Measles vaccine
b) Yellow fever vaccine
c) HPV vaccine
d) MMR vaccine
Answer: c) HPV vaccine
The process of killing or inactivating a pathogen for use in a vaccine is called:
a) Attenuation
b) Inactivation
c) Conjugation
d) Stimulation
Answer: b) Inactivation
Which of the following is an example of a polysaccharide vaccine?
a) Influenza vaccine
b) MMR vaccine
c) Meningococcal vaccine
d) Hepatitis A vaccine
Answer: c) Meningococcal vaccine
The primary purpose of a vaccine is to:
a) Cure a disease
b) Prevent a disease
c) Treat the symptoms of a disease
d) Boost the immune system
Answer: b) Prevent a disease
Which of the following is an example of a vector-based vaccine?
a) Polio vaccine
b) Rotavirus vaccine
c) Cholera vaccine
d) Yellow fever vaccine
Answer: d) Yellow fever vaccine
The immune response triggered by a vaccine is similar to the response triggered by:
a) Antibiotics
b) Allergens
c) Antiviral medications
d) Natural infection
Answer: d) Natural infection
Which of the following is an example of a viral vector-based vaccine?
a) COVID-19 vaccine
b) Hepatitis B vaccine
c) Tetanus vaccine
d) HPV vaccine
Answer: a) COVID-19 vaccine
Adjuvants are substances added to vaccines to:
a) Increase their shelf life
b) Improve their taste
c) Enhance the immune response
d) Reduce the risk of adverse effects
Answer: c) Enhance the immune response
Which of the following is an example of a whole-cell vaccine?
a) Diphtheria vaccine
b) Rotavirus vaccine
c) Hepatitis A vaccine
d) MMR vaccine
Answer: a) Diphtheria vaccine
The minimum percentage of a population that needs to be vaccinated to achieve herd immunity depends on:
a) The severity of the disease
b) The effectiveness of the vaccine
c) The transmission rate of the disease
d) All of the above
Answer: d) All of the above
Which of the following is an example of an inactivated vaccine?
a) Measles vaccine
b) Influenza vaccine
c) Polio vaccine
d) Hepatitis B vaccine
Answer: b) Influenza vaccine
The World Health Organization (WHO) recommends vaccination as a means to:
a) Eradicate diseases globally
b) Control disease outbreaks
c) Improve overall health
d) All of the above
Answer: d) All of the above
Which of the following is an example of a protein-based vaccine?
a) Influenza vaccine
b) Measles vaccine
c) MMR vaccine
d) Rotavirus vaccine
Answer: a) Influenza vaccine
Vaccine effectiveness refers to:
a) The number of vaccines produced each year
b) The ability of a vaccine to prevent disease in a population
c) The side effects of a vaccine
d) The cost of a vaccine
Answer: b) The ability of a vaccine to prevent disease in a population
Which of the following is an example of a recombinant protein vaccine?
a) COVID-19 vaccine
b) Yellow fever vaccine
c) Tetanus vaccine
d) Meningococcal vaccine
Answer: c) Tetanus vaccine
Vaccine schedules are designed to:
a) Optimize immune response
b) Minimize side effects
c) Ensure long-term protection
d) All of the above
Answer: d) All of the above
Which of the following is an example of a bacterial-based vaccine?
a) Polio vaccine
b) Hepatitis B vaccine
c) Diphtheria vaccine
d) Rotavirus vaccine
Answer: c) Diphtheria vaccine
The process of introducing a weakened or dead pathogen into the body to stimulate an immune response is known as:
a) Vaccination
b) Antibody production
c) Immunotherapy
d) Antigen presentation
Answer: a) Vaccination
Which of the following is an example of an adjuvanted vaccine?
a) MMR vaccine
b) Influenza vaccine
c) Hepatitis A vaccine
d) HPV vaccine
Answer: b) Influenza vaccine
The process of introducing a weakened pathogen into the body to stimulate an immune response is called:
a) Attenuation
b) Inactivation
c) Conjugation
d) Stimulation
Answer: a) Attenuation
Which of the following is an example of a polysaccharide-protein conjugate vaccine?
a) MMR vaccine
b) Hepatitis B vaccine
c) Pneumococcal vaccine
d) Tetanus vaccine
Answer: c) Pneumococcal vaccine
The most common route of vaccine administration is:
a) Intravenous
b) Intramuscular
c) Subcutaneous
d) Oral
Answer: b) Intramuscular
Which of the following is an example of an inactivated whole-cell vaccine?
a) Diphtheria vaccine
b) Yellow fever vaccine
c) Hepatitis A vaccine
d) Rotavirus vaccine
Answer: c) Hepatitis A vaccine
Vaccine-preventable diseases can be:
a) Bacterial
b) Viral
c) Both bacterial and viral
d) Neither bacterial nor viral
Answer: c) Both bacterial and viral
Which of the following is an example of a live vector-based vaccine?
a) Polio vaccine
b) Rotavirus vaccine
c) Cholera vaccine
d) MMR vaccine
Answer: c) Cholera vaccine
The process of introducing a specific antigen into the body to stimulate an immune response is known as:
a) Vaccination
b) Antibody production
c) Immunotherapy
d) Antigen presentation
Answer: a) Vaccination
Which of the following is an example of a viral-based vaccine?
a) Diphtheria vaccine
b) Measles vaccine
c) Tetanus vaccine
d) MMR vaccine
Answer: b) Measles vaccine
Vaccine side effects are typically:
a) Severe and long-lasting
b) Mild and temporary
c) Nonexistent
d) Unknown
Answer: b) Mild and temporary
Which of the following is an example of a killed vaccine?
a) MMR vaccine
b) Influenza vaccine
c) Polio vaccine
d) Hepatitis B vaccine
Answer: b) Influenza vaccine
The process of introducing a specific antibody into the body to provide immediate immunity is known as:
a) Vaccination
b) Antibody therapy
c) Immunotherapy
d) Antigen presentation
Answer: b) Antibody therapy
Which of the following is an example of a whole-cell inactivated vaccine?
a) MMR vaccine
b) Hepatitis B vaccine
c) Pertussis vaccine
d) Tetanus vaccine
Answer: c) Pertussis vaccine
Vaccine development involves:
a) Extensive research and testing
b) Clinical trials
c) Regulatory approval
d) All of the above
Answer: d) All of the above
Which of the following is an example of a recombinant vector-based vaccine?
a) Polio vaccine
b) Rotavirus vaccine
c) COVID-19 vaccine
d) Yellow fever vaccine
Answer: c) COVID-19 vaccine
The process of introducing a weakened or inactivated toxin into the body to stimulate an immune response is called:
a) Attenuation
b) Inactivation
c) Toxoid production
d) Stimulation
Answer: c) Toxoid production
Which of the following is an example of a recombinant DNA-based vaccine?
a) MMR vaccine
b) Influenza vaccine
c) HPV vaccine
d) Tetanus vaccine
Answer: c) HPV vaccine
The concept of vaccines dates back to:
a) Ancient Greece
b) Medieval times
c) The Renaissance
d) The 18th century
Answer: a) Ancient Greece
Which of the following is an example of a protein subunit vaccine?
a) Measles vaccine
b) Hepatitis B vaccine
c) Polio vaccine
d) Yellow fever vaccine
Answer: b) Hepatitis B vaccine
The process of introducing a weakened or dead pathogen into the body to stimulate an immune response is known as:
a) Vaccination
b) Antibody production
c) Immunotherapy
d) Antigen presentation
Answer: a) Vaccination
Which of the following is an example of a conjugate subunit vaccine?
a) MMR vaccine
b) Influenza vaccine
c) Tetanus vaccine
d) Pneumococcal vaccine
Answer: d) Pneumococcal vaccine
The term “immunization” refers to:
a) The process of becoming immune to a disease
b) The process of receiving a vaccine
c) The presence of antibodies in the body
d) The transfer of immunity from mother to child
Answer: a) The process of becoming immune to a disease
Which of the following is an example of a DNA-based vaccine?
a) Measles vaccine
b) Influenza vaccine
c) Hepatitis B vaccine
d) COVID-19 vaccine
Answer: d) COVID-19 vaccine
Vaccine efficacy refers to:
a) The ability of a vaccine to prevent disease in vaccinated individuals
b) The cost-effectiveness of a vaccine
c) The number of vaccines distributed
d) The safety profile of a vaccine
Answer: a) The ability of a vaccine to prevent disease in vaccinated individuals
Which of the following is an example of a viral subunit vaccine?
a) Polio vaccine
b) Influenza vaccine
c) Tetanus vaccine
d) Hepatitis B vaccine
Answer: b) Influenza vaccine
Vaccine hesitancy refers to:
a) The fear of needles
b) The reluctance to receive vaccines or skepticism about their safety and effectiveness
c) The refusal to vaccinate children
d) The lack of access to vaccines
Answer: b) The reluctance to receive vaccines or skepticism about their safety and effectiveness
Which of the following is an example of an mRNA-based vaccine?
a) Polio vaccine
b) Influenza vaccine
c) Tetanus vaccine
d) COVID-19 vaccine
Answer: d) COVID-19 vaccine
Vaccine coverage refers to:
a) The percentage of the population vaccinated against a disease
b) The cost of vaccines
c) The number of vaccines produced
d) The availability of vaccines in a certain area
Answer: a) The percentage of the population vaccinated against a disease
Which of the following is an example of a vector-based subunit vaccine?
a) Measles vaccine
b) Hepatitis B vaccine
c) COVID-19 vaccine
d) MMR vaccine
Answer: c) COVID-19 vaccine
The development of vaccines has significantly contributed to:
a) The eradication of certain diseases
b) The increase in global population
c) The development of antibiotic resistance
d) The decline in life expectancy
Answer: a) The eradication of certain diseases
Which of the following is an example of a synthetic vaccine?
a) Measles vaccine
b) Influenza vaccine
c) Tetanus vaccine
d) HPV vaccine
Answer: d) HPV vaccine
Vaccine safety is ensured through:
a) Extensive clinical trials
b) Strict regulatory processes
c) Post-marketing surveillance
d) All of the above
Answer: d) All of the above
Which of the following is an example of a whole-cell subunit vaccine?
a) Measles vaccine
b) Hepatitis B vaccine
c) Tetanus vaccine
d) Polio vaccine
Answer: d) Polio vaccine
Vaccine storage and handling require:
a) Specific temperature conditions
b) Protection from light
c) Adherence to expiration dates
d) All of the above
Answer: d) All of the above
Which of the following is an example of a recombinant subunit vaccine?
a) Measles vaccine
b) Influenza vaccine
c) Tetanus vaccine
d) Hepatitis B vaccine
Answer: d) Hepatitis B vaccine
Vaccine production involves:
a) Growing and harvesting pathogens
b) Purifying and inactivating pathogens
c) Formulating and packaging vaccines
d) All of the above
Answer: d) All of the above
Which of the following is an example of a whole-cell vector-based vaccine?
a) Measles vaccine
b) Hepatitis B vaccine
c) Tetanus vaccine
d) MMR vaccine
Answer: a) Measles vaccine
The process of introducing a weakened or dead virus into the body to stimulate an immune response is known as:
a) Attenuation
b) Inactivation
c) Toxoid production
d) Stimulation
Answer: b) Inactivation
Which of the following is an example of a killed whole-cell vaccine?
a) MMR vaccine
b) Hepatitis B vaccine
c) Influenza vaccine
d) Rotavirus vaccine
Answer: c) Influenza vaccine
Vaccine research and development is primarily conducted by:
a) Pharmaceutical companies
b) Government agencies
c) Academic institutions
d) All of the above
Answer: d) All of the above
Which of the following is an example of a recombinant viral-based vaccine?
a) Measles vaccine
b) Influenza vaccine
c) Tetanus vaccine
d) COVID-19 vaccine
Answer: d) COVID-19 vaccine
The process of introducing a specific antigen into the body to stimulate an immune response is known as:
a) Vaccination
b) Antibody production
c) Immunotherapy
d) Antigen presentation
Answer: a) Vaccination
Which of the following is an example of a synthetic subunit vaccine?
a) Measles vaccine
b) Influenza vaccine
c) Tetanus vaccine
d) HPV vaccine
Answer: d) HPV vaccine
The process of introducing a weakened or dead bacteria into the body to stimulate an immune response is known as:
a) Attenuation
b) Inactivation
c) Toxoid production
d) Stimulation
Answer: a) Attenuation
Which of the following is an example of a subunit vector-based vaccine?
a) Measles vaccine
b) Hepatitis B vaccine
c) Tetanus vaccine
d) MMR vaccine
Answer: b) Hepatitis B vaccine
Vaccine distribution involves:
a) Supply chain management
b) Cold chain storage and transport
c) Vaccination campaigns
d) All of the above
Answer: d) All of the above
Which of the following is an example of a whole-cell viral-based vaccine?
a) MMR vaccine
b) Hepatitis B vaccine
c) Tetanus vaccine
d) Polio vaccine
Answer: d) Polio vaccine
The process of introducing a weakened or dead toxin into the body to stimulate an immune response is known as:
a) Attenuation
b) Inactivation
c) Toxoid production
d) Stimulation
Answer: c) Toxoid production
Which of the following is an example of a synthetic vector-based vaccine?
a) Measles vaccine
b) Hepatitis B vaccine
c) Tetanus vaccine
d) COVID-19 vaccine
Answer: d) COVID-19 vaccine
Vaccine distribution and administration are important factors in:
a) Achieving herd immunity
b) Controlling disease outbreaks
c) Preventing vaccine wastage
d) All of the above
Answer: d) All of the above
Which of the following is an example of a recombinant subunit vector-based vaccine?
a) Measles vaccine
b) Hepatitis B vaccine
c) COVID-19 vaccine
d) Yellow fever vaccine
Answer: c) COVID-19 vaccine
