The first vaccine was developed by Edward Jenner to protect against which disease?
a) Smallpox
b) Measles
c) Polio
d) Influenza
Which type of immunity is developed after recovering from an infection?
a) Passive immunity
b) Active immunity
c) Artificial immunity
d) Innate immunity
Which of the following is an example of passive immunity?
a) Vaccination
b) Breastfeeding
c) Exposure to a virus
d) Recovery from an infection
What type of vaccine contains weakened forms of a pathogen?
a) Inactivated vaccine
b) Live attenuated vaccine
c) Subunit vaccine
d) Toxoid vaccine
Which organ is primarily responsible for producing immune cells?
a) Liver
b) Spleen
c) Bone marrow
d) Kidneys
Which type of white blood cell is responsible for producing antibodies?
a) Neutrophils
b) Monocytes
c) B cells
d) T cells
What is the main purpose of a booster dose in vaccination?
a) To start the immune response
b) To maintain immunity for a longer period
c) To cure the disease
d) To weaken the immune system
Which vaccine was the first to be developed using mRNA technology?
a) Polio vaccine
b) COVID-19 vaccine
c) Hepatitis B vaccine
d) Rabies vaccine
What is herd immunity?
a) Immunity that develops in animals
b) Protection gained when most of a population is immune
c) A type of vaccine
d) A temporary immune response
Which of the following is NOT a component of the immune system?
a) Antibodies
b) Red blood cells
c) T cells
d) Lymph nodes
Which disease has been eradicated globally due to vaccination?
a) Measles
b) Smallpox
c) Polio
d) Tuberculosis
What is the role of macrophages in immunity?
a) Produce antibodies
b) Engulf and destroy pathogens
c) Activate the nervous system
d) Produce red blood cells
Which of the following is an example of an inactivated vaccine?
a) Measles vaccine
b) Hepatitis A vaccine
c) Chickenpox vaccine
d) COVID-19 mRNA vaccine
Which immune system component directly attacks infected cells?
a) B cells
b) T cells
c) Macrophages
d) Platelets
Which type of immunity is present at birth?
a) Passive immunity
b) Acquired immunity
c) Innate immunity
d) Artificial immunity
Which scientist is known for developing the rabies vaccine?
a) Louis Pasteur
b) Robert Koch
c) Edward Jenner
d) Alexander Fleming
What is the function of a toxoid vaccine?
a) Kills bacteria
b) Protects against bacterial toxins
c) Strengthens bones
d) Attacks viruses
Which of the following is an autoimmune disease?
a) Malaria
b) Diabetes Type 1
c) Common cold
d) Tuberculosis
Which part of the immune system is the first line of defense?
a) Skin and mucous membranes
b) Antibodies
c) White blood cells
d) T cells
Which vaccine helps prevent cervical cancer?
a) Polio vaccine
b) HPV vaccine
c) Hepatitis B vaccine
d) MMR vaccine
How does a vaccine work?
a) Kills all pathogens in the body
b) Stimulates the immune system to recognize pathogens
c) Replaces white blood cells
d) Strengthens bones
Which disease is prevented by the BCG vaccine?
a) Polio
b) Tuberculosis
c) Measles
d) Hepatitis A
Which immunoglobulin is most abundant in the human body?
a) IgA
b) IgE
c) IgG
d) IgM
What type of immunity is gained through vaccination?
a) Passive immunity
b) Active artificial immunity
c) Innate immunity
d) Natural passive immunity
Which cell type is primarily responsible for allergic reactions?
a) Neutrophils
b) Basophils
c) Lymphocytes
d) Macrophages
Which disease does the MMR vaccine protect against?
a) Malaria, Mumps, Rabies
b) Measles, Mumps, Rubella
c) Meningitis, Measles, Rotavirus
d) Monkeypox, Measles, Rabies
Which component of the immune system helps remember past infections?
a) Memory B cells
b) Macrophages
c) Neutrophils
d) Platelets
Which of the following is NOT a mode of vaccine administration?
a) Injection
b) Nasal spray
c) Inhalation
d) X-ray
Which scientist discovered penicillin, leading to the development of antibiotics?
a) Louis Pasteur
b) Edward Jenner
c) Alexander Fleming
d) Robert Koch
Which term refers to the body’s ability to resist infections?
a) Susceptibility
b) Immunity
c) Pathogenicity
d) Virulence
