#1
Which of the following types of vaccines contains live, weakened viruses?
Inactivated vaccines
Subunit vaccines
Live attenuated vaccines
Toxoid vaccines
#2
What is the primary mechanism of action of inactivated vaccines?
They stimulate the production of antibodies
They introduce live, weakened viruses into the body
They contain killed pathogens to induce an immune response
They use purified components of pathogens
#3
What is the primary mechanism of action of live attenuated vaccines?
They contain killed pathogens to induce an immune response
They introduce live, weakened viruses into the body
They use purified components of pathogens
They stimulate the production of antibodies
#4
Which of the following is an example of a subunit vaccine?
Polio vaccine
MMR vaccine
Hepatitis B vaccine
Yellow fever vaccine
#5
What is the purpose of adjuvants in some vaccines?
To weaken the pathogen
To enhance the immune response to the vaccine
To prevent allergic reactions
To prolong the shelf life of the vaccine
#6
What is the mechanism of action of toxoid vaccines?
They contain live, weakened viruses
They introduce killed pathogens into the body
They use purified components of pathogens
They induce an immune response to toxins produced by pathogens
#7
What is an example of a vaccine adjuvant commonly used in vaccines?
Aluminum salts
Ethanol
Sodium chloride
Sucrose
#8
Which type of vaccine requires a booster dose to maintain immunity?
Live attenuated vaccine
Inactivated vaccine
Toxoid vaccine
Subunit vaccine
#9
Which type of vaccine typically requires adjuvants to enhance its effectiveness?
Live attenuated vaccine
Inactivated vaccine
Toxoid vaccine
Subunit vaccine
#10
Which type of vaccine is the influenza nasal spray vaccine an example of?
Live attenuated vaccine
Inactivated vaccine
Toxoid vaccine
Subunit vaccine
#11
Which type of vaccine typically requires cold storage to maintain its stability?
DNA vaccine
Live attenuated vaccine
Subunit vaccine
Toxoid vaccine
#12
Which type of vaccine is typically used for the measles, mumps, and rubella (MMR) vaccine?
Live attenuated vaccine
Inactivated vaccine
Toxoid vaccine
Subunit vaccine
#13
What is the primary mechanism of action of subunit vaccines?
They contain live, weakened viruses
They use synthetic mRNA to produce an immune response
They contain purified components of pathogens
They introduce killed pathogens into the body
#14
Which type of vaccine typically requires an adjuvant to enhance its effectiveness?
Live attenuated vaccine
Inactivated vaccine
Toxoid vaccine
Subunit vaccine
#15
Which type of vaccine is typically used for the human papillomavirus (HPV) vaccine?
Live attenuated vaccine
Inactivated vaccine
Toxoid vaccine
Subunit vaccine
#16
What is a characteristic of inactivated vaccines?
They are typically given orally
They replicate within the body
They cannot cause the disease they protect against
They induce a strong cellular immune response
#17
Which type of vaccine is the rabies vaccine an example of?
Live attenuated vaccine
Inactivated vaccine
Toxoid vaccine
Subunit vaccine
#18
Which type of vaccine is typically used for the Bacille Calmette-Guérin (BCG) vaccine against tuberculosis?
Inactivated vaccine
Subunit vaccine
Live attenuated vaccine
Toxoid vaccine
#19
Which of the following is a characteristic of mRNA vaccines?
They contain live viruses
They introduce killed pathogens into the body
They use synthetic mRNA to produce an immune response
They contain purified components of pathogens
#20
What is a potential advantage of DNA vaccines?
They have a long shelf life
They do not require refrigeration
They induce strong cellular immune responses
They can be produced quickly in response to new pathogens
#21
What is a characteristic of polysaccharide vaccines?
They are highly immunogenic in infants
They typically require multiple doses to induce immunity
They are effective against intracellular pathogens
They do not induce immunological memory
#22
Which of the following is a characteristic of recombinant vector vaccines?
They contain live, weakened viruses
They use DNA from the pathogen to stimulate an immune response
They contain purified components of pathogens
They use a harmless virus or bacterium to deliver genetic material from the pathogen
#23
What is a characteristic of conjugate vaccines?
They are highly immunogenic in infants
They typically require a single dose to induce immunity
They are effective against extracellular pathogens
They induce immunological memory
#24
What is the primary mechanism of action of DNA vaccines?
They contain live, weakened viruses
They use DNA from the pathogen to stimulate an immune response
They contain purified components of pathogens
They introduce killed pathogens into the body
#25
Which of the following is an example of a recombinant vector vaccine?
Polio vaccine
FluMist vaccine
Hepatitis B vaccine
Adenovirus-vectored Ebola vaccine