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

Which of the following is an example of a biovaccinology product?

  1. HPV vaccine

  2. Flu vaccine

  3. Measles vaccine

  4. Polio vaccine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

HPV (human papillomavirus) vaccine is a biovaccinology product that is used to prevent cervical cancer and other HPV-related diseases.

Multiple choice

What is the recommended immunization schedule for newborns?

  1. Hepatitis B vaccine at birth

  2. Diphtheria, tetanus, and pertussis (DTaP) vaccine at 2, 4, and 6 months

  3. Polio vaccine at 2, 4, and 6 months

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

The recommended immunization schedule for newborns includes hepatitis B vaccine at birth, DTaP vaccine at 2, 4, and 6 months, and polio vaccine at 2, 4, and 6 months.

Multiple choice

Which of the following is NOT a common route of administration for vaccines in animals?

  1. Oral

  2. Intravenous

  3. Intramuscular

  4. Subcutaneous
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Topical administration is not typically used for vaccines as it does not provide effective immunization.

Multiple choice

Which of the following is NOT a common route of administration for vaccines in animals?

  1. Oral

  2. Intravenous

  3. Intramuscular

  4. Subcutaneous
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Topical administration is not typically used for vaccines as it does not provide effective immunization.

Multiple choice

Which disease was eradicated globally through a successful vaccination campaign?

  1. Smallpox

  2. Polio

  3. Measles

  4. Tetanus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Smallpox was the first disease to be eradicated globally through a successful vaccination campaign.

Multiple choice

Which disease was eradicated globally through a successful vaccination campaign in the 20th century?

  1. Smallpox

  2. Polio

  3. Measles

  4. Tetanus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Smallpox was the first disease to be eradicated globally through a successful vaccination campaign in the 20th century.

Multiple choice

What is the herd immunity threshold in the SIR model?

  1. The proportion of the population that must be vaccinated to achieve herd immunity

  2. The proportion of the population that is immune to infection

  3. The proportion of the population that has recovered from infection
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The herd immunity threshold is the proportion of the population that must be vaccinated to achieve herd immunity, which is the point at which the spread of infection is stopped.

Multiple choice

What is the role of vaccination in the SIR model?

  1. To reduce the transmission rate

  2. To increase the recovery rate

  3. To increase the herd immunity threshold
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vaccination in the SIR model increases the herd immunity threshold, which helps to stop the spread of infection.

Multiple choice

Which of the following is NOT a recommended travel vaccine?

  1. Measles, mumps, and rubella (MMR)

  2. Polio

  3. Tetanus, diphtheria, and pertussis (Tdap)

  4. Influenza
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The influenza vaccine is not typically recommended for travelers, as it is not effective against all strains of influenza.

Multiple choice

Which herb is traditionally used to support the immune system and fight off infections?

  1. Echinacea

  2. Elderberries

  3. Astragalus

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

Echinacea, elderberries, and astragalus are all commonly used herbs for supporting the immune system and fighting off infections.

Multiple choice

What is the primary purpose of immunization?

  1. To treat an existing disease

  2. To prevent the occurrence of a disease

  3. To reduce the severity of a disease

  4. To enhance the immune system's response to a disease
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Immunization aims to prevent the occurrence of a disease by introducing a weakened or inactivated form of the pathogen into the body, allowing the immune system to develop protection against it without causing the actual disease.

Multiple choice

Which of the following is NOT a type of vaccine?

  1. Live attenuated vaccine

  2. Inactivated vaccine

  3. Toxoid vaccine

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

Toxoid vaccines are not a type of vaccine. They are modified versions of bacterial toxins that have been rendered harmless while retaining their ability to stimulate an immune response.

Multiple choice

What is the difference between active and passive immunization?

  1. Active immunization involves the introduction of a weakened or inactivated pathogen, while passive immunization involves the introduction of antibodies.

  2. Active immunization provides long-term protection, while passive immunization provides short-term protection.

  3. Active immunization is typically administered through vaccination, while passive immunization is typically administered through injection of antibodies.

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

Active immunization involves the introduction of a weakened or inactivated pathogen, while passive immunization involves the introduction of antibodies. Active immunization provides long-term protection, while passive immunization provides short-term protection. Active immunization is typically administered through vaccination, while passive immunization is typically administered through injection of antibodies.

Multiple choice

Which of the following diseases is NOT preventable through vaccination?

  1. Measles

  2. Mumps

  3. Rubella

  4. Common cold
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The common cold is caused by a variety of viruses, and there is no single vaccine that can prevent all types of the common cold.

Multiple choice

Which of the following is NOT a benefit of immunization?

  1. Prevents disease

  2. Reduces the severity of disease

  3. Provides lifelong protection

  4. Eliminates the need for medical treatment
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Immunization does not eliminate the need for medical treatment. While it can prevent or reduce the severity of disease, it does not guarantee that a person will never need medical treatment for a particular disease.