Biology ยท General Awareness

Vaccination and Immunity

997 Questions

This hub presents questions focused on vaccination and human immunity. It covers essential topics such as herd immunity, non-specific immunity, antigens, and historical vaccine developments. These concepts are crucial for general science sections in medical and civil service exams.

Herd immunity functionsNon-specific immunitySmallpox vaccinationInterferon proteinsAntigen propertiesImmunological amnesia

Vaccination and Immunity Questions

Multiple choice

What is the primary mechanism by which vaccines prevent disease?

  1. Killing the pathogen

  2. Stimulating the production of antibodies

  3. Interfering with the pathogen's life cycle

  4. Providing passive immunity
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vaccines work by stimulating the body's immune system to produce antibodies against a specific pathogen, providing protection against future infection.

Multiple choice

Which of the following vaccines is recommended for all adults over 65 years old?

  1. Influenza vaccine

  2. Pneumococcal vaccine

  3. Tetanus-diphtheria-pertussis vaccine

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All adults over 65 years old should receive the influenza vaccine, pneumococcal vaccine, and tetanus-diphtheria-pertussis vaccine.

Multiple choice

Which of the following vaccines is recommended for all children under 5 years old?

  1. Diphtheria-tetanus-pertussis vaccine

  2. Measles-mumps-rubella vaccine

  3. Polio vaccine

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All children under 5 years old should receive the diphtheria-tetanus-pertussis vaccine, measles-mumps-rubella vaccine, and polio vaccine.

Multiple choice

Which of the following vaccines is recommended for all pregnant women?

  1. Influenza vaccine

  2. Tetanus-diphtheria-pertussis vaccine

  3. Hepatitis B vaccine

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All pregnant women should receive the influenza vaccine, tetanus-diphtheria-pertussis vaccine, and hepatitis B vaccine.

Multiple choice

Which of the following vaccines is recommended for all people with chronic health conditions?

  1. Influenza vaccine

  2. Pneumococcal vaccine

  3. Hepatitis B vaccine

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All people with chronic health conditions should receive the influenza vaccine, pneumococcal vaccine, and hepatitis B vaccine.

Multiple choice

Which of the following vaccines is recommended for all children in developing countries?

  1. Measles vaccine

  2. Polio vaccine

  3. Diphtheria-tetanus-pertussis vaccine

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All children in developing countries should receive the measles vaccine, polio vaccine, and diphtheria-tetanus-pertussis vaccine.

Multiple choice

What is the primary purpose of vaccination in livestock production?

  1. To prevent disease

  2. To improve growth performance

  3. To reduce the risk of parasites

  4. To increase milk production
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vaccination is a management practice that involves administering a vaccine to livestock to protect them from specific diseases.

Multiple choice

Which type of hepatitis is preventable through vaccination?

  1. Hepatitis A

  2. Hepatitis B

  3. Hepatitis C

  4. All of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Hepatitis A and B can be prevented through vaccination.

Multiple choice

Which of the following is an example of a primary prevention strategy?

  1. Providing vaccinations

  2. Screening for diseases

  3. Treating illnesses

  4. Rehabilitating individuals after an illness
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Primary prevention strategies aim to prevent the occurrence of diseases or injuries before they happen. Providing vaccinations is an example of a primary prevention strategy because it helps to protect individuals from contracting infectious diseases.

Multiple choice

Which of the following is an example of a secondary prevention strategy?

  1. Providing vaccinations

  2. Screening for diseases

  3. Treating illnesses

  4. Rehabilitating individuals after an illness
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Secondary prevention strategies aim to detect and treat diseases or injuries early, before they become more serious. Screening for diseases is an example of a secondary prevention strategy because it helps to identify individuals who have a disease or are at risk of developing a disease, so that they can receive early treatment.

Multiple choice

Which of the following is an example of a tertiary prevention strategy?

  1. Providing vaccinations

  2. Screening for diseases

  3. Treating illnesses

  4. Rehabilitating individuals after an illness
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tertiary prevention strategies aim to reduce the impact of diseases or injuries that have already occurred. Rehabilitating individuals after an illness is an example of a tertiary prevention strategy because it helps to restore individuals' physical, mental, and social functioning after an illness or injury.

Multiple choice

Which of the following is NOT a common type of vaccine used to prevent infectious diseases?

  1. Live attenuated vaccine

  2. Inactivated vaccine

  3. Toxoid vaccine

  4. Subunit vaccine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Toxoid vaccine is not a common type of vaccine used to prevent infectious diseases, as it is typically used to prevent tetanus and diphtheria.

Multiple choice

What is the most common type of immunoglobulin used to prevent infectious diseases?

  1. Intravenous immunoglobulin (IVIG)

  2. Intramuscular immunoglobulin (IMIG)

  3. Subcutaneous immunoglobulin (SCIG)

  4. Oral immunoglobulin (OIG)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Intravenous immunoglobulin (IVIG) is the most common type of immunoglobulin used to prevent infectious diseases, as it is effective against a wide range of pathogens.

Multiple choice

What is the primary goal of immunotherapy?

  1. To suppress the immune system

  2. To enhance the immune system's ability to fight diseases

  3. To replace damaged immune cells

  4. To introduce foreign antigens into the body
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Immunotherapy aims to harness the body's immune system to recognize and eliminate diseased cells, primarily cancer cells, by boosting its natural defenses.

Multiple choice

Which type of immunotherapy involves the use of immune checkpoint inhibitors?

  1. Adoptive cell therapy

  2. Cancer vaccines

  3. Immune checkpoint blockade

  4. Cytokine therapy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Immune checkpoint blockade involves the use of antibodies that block inhibitory immune checkpoints, such as PD-1 and CTLA-4, to unleash the anti-tumor activity of T cells.