Types of Immunity: Natural vs Acquired

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Questions and Answers

What is the key difference between innate (natural) immunity and acquired immunity?

  • Innate immunity is a result of vaccination, while acquired immunity is not.
  • Innate immunity is species-specific, while acquired immunity is not. (correct)
  • Innate immunity results from disease, while acquired immunity does not.
  • Innate immunity is temporary, while acquired immunity is permanent.

Why does species immunity differ between humans and animals for certain diseases?

  • Because animals have a different immune system than humans.
  • Due to the lack of herd immunity among animals.
  • Because certain diseases do not affect animals naturally. (correct)
  • Due to the lack of availability of vaccines for animals.

What distinguishes herd immunity from innate (natural) immunity?

  • Herd immunity depends on individual immunity levels, while innate immunity does not.
  • Herd immunity applies to contagious diseases, while innate immunity does not. (correct)
  • Herd immunity is a result of disease, while innate immunity is not.
  • Herd immunity is permanent, while innate immunity is temporary.

What has contributed significantly to the eradication of smallpox worldwide?

<p>Widespread vaccination (D)</p> Signup and view all the answers

How does herd immunity benefit individuals who are more at risk of getting a disease?

<p>By reducing the likelihood of infection in the community. (B)</p> Signup and view all the answers

Why are contagious diseases more susceptible to eradication through herd immunity?

<p>Contagious diseases rely on person-to-person transmission. (D)</p> Signup and view all the answers

What is the main goal of COVID 19 Immunization?

<p>To achieve herd immunity (A)</p> Signup and view all the answers

Which type of immunity involves the injection of antigens to stimulate antibody production?

<p>Active Immunity - Artificial (A)</p> Signup and view all the answers

What is an example of passive immunity mentioned in the text?

<p>Anti Tetanus Serum (ATS) (A)</p> Signup and view all the answers

Which type of immunity involves antibodies transferred from mother to fetus through placenta or breastmilk?

<p>Passive Immunity - Natural (B)</p> Signup and view all the answers

What does active immunity, whether natural or artificial induced, typically result in?

<p>Immunity for life (B)</p> Signup and view all the answers

In which type of immunity do the recipient's tissues not participate actively in the immune response?

<p>Artificial Passive Immunity (C)</p> Signup and view all the answers

Which type of vaccine is the Penta valent vaccine according to the text?

<p>Attenuated live vaccine (C)</p> Signup and view all the answers

How are live attenuated vaccines produced according to the text?

<p>By weakening 'wild' viruses or bacteria in a laboratory (C)</p> Signup and view all the answers

Which type of vaccine includes polio, hepatitis A, and rabies vaccines according to the text?

<p>Whole-cell inactivated vaccines (B)</p> Signup and view all the answers

What is the main difference between live attenuated and inactivated vaccines based on the text?

<p>The pathogens used (B)</p> Signup and view all the answers

What is one of the tasks of vaccine managers according to the text?

<p>Ensuring the required temperature for vaccine stock (D)</p> Signup and view all the answers

Which vitamin amount is given to children aged 6-11 months according to the text?

<p>100,000 iu (Blue) (B)</p> Signup and view all the answers

What is the main purpose of the cold chain in vaccine distribution?

<p>To ensure vaccines remain potent by storing them at recommended temperatures (A)</p> Signup and view all the answers

Which factor is NOT crucial in maintaining the cold chain according to the text?

<p>Ensuring vaccines are exposed to heat (D)</p> Signup and view all the answers

Why is estimating the needed amount of vaccines important in maintaining the cold chain?

<p>To avoid running out of vaccines or having excess wastage (A)</p> Signup and view all the answers

What is the significance of checking vaccine expiry dates in maintaining the cold chain?

<p>To maintain the potency and effectiveness of vaccines (B)</p> Signup and view all the answers

How many types of cold chain containers are mentioned in the passage?

<p>3 (B)</p> Signup and view all the answers

What role does refrigeration equipment play in the cold chain?

<p>Refrigeration equipment helps store vaccines at recommended temperatures (A)</p> Signup and view all the answers

What is the recommended temperature range for storing DPT, HAEM, HEP, TT, and BCG vaccines?

<p>4-8°C (B)</p> Signup and view all the answers

Where should vaccines in use be placed inside the vaccine carrier?

<p>Inside the holes in the ice-packs (A)</p> Signup and view all the answers

What should be done with vaccines sent to outreach programs and not used?

<p>Returned to the refrigerator (D)</p> Signup and view all the answers

Which vaccines are stored in the deep freezer with a temperature below 0°C?

<p>Measles, YF &amp; polio (B)</p> Signup and view all the answers

What is the purpose of placing small plastic bags with ice cubes on top of the ice packs in the vaccine carrier?

<p>To keep the vaccines cool during immunization sessions (A)</p> Signup and view all the answers

Why is it advised not to keep vaccines in the door of the fridge?

<p>To prevent vaccine spoilage due to temperature fluctuations (C)</p> Signup and view all the answers

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