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NCK Licensing Exam (Nursing) Immunisation — practice questions

Explore 8 free Immunisation questions in NCK Licensing Exam (Nursing) Public Health. Open each question or exercise to read its content, reference answers and available explanation.

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Immunisation questions and exercises with answers

Showing questions 1–8 of 8.

Antibody produced in one person or animal and transferred to another gives which kind of protection?Read the answer and worked solution →Maternal antibodies are transported across the placenta mainly during which part of pregnancy?Read the answer and worked solution →Why must a live, attenuated vaccine replicate inside the person who receives it?Read the answer and worked solution →Live, attenuated vaccines carry which storage and handling requirement?Read the answer and worked solution →Which statement holds for inactivated vaccines?Read the answer and worked solution →For most inactivated vaccines, what is true of the very first dose given?Read the answer and worked solution →Tetanus and diphtheria vaccines are made from bacterial toxins that have been inactivated. What are such vaccines called?Read the answer and worked solution →Sort the two basic vaccine typesRead the answer and worked solution →

Worked practice questions

Antibody produced in one person or animal and transferred to another gives which kind of protection?

  1. Immediate protection that is temporary
  2. Delayed protection that lasts a lifetime
  3. Immediate protection that lasts for life
  4. Delayed protection that fades in a week
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Correct answer: A. Immediate protection that is temporary

1. Passive immunity is protection by antibody or antitoxin made elsewhere and given to the recipient. 2. Because the antibody is already made, protection begins at once. 3. Because the recipient's own immune system was never stimulated, the antibody degrades over weeks to months and protection ends. 4. Lifelong protection follows active immunity instead, where the person's own immune system responds. _Source: CDC Epidemiology and Prevention of Vaccine-Preventable Diseases (Pink Book), section Passive Immunity_

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Maternal antibodies are transported across the placenta mainly during which part of pregnancy?

  1. The first 1 to 2 months of pregnancy
  2. The middle 1 to 2 months of pregnancy
  3. The last 1 to 2 months of pregnancy
  4. Evenly across all nine months of pregnancy
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Correct answer: C. The last 1 to 2 months of pregnancy

1. The commonest form of passive immunity is what an infant receives from its mother. 2. IgG crosses the placenta primarily during the last 1 to 2 months of pregnancy. 3. A full-term infant therefore carries the same types of antibody as the mother and is protected for the first few months of life. 4. The timing explains why a preterm infant, delivered before that transfer is complete, starts with less maternal antibody. 5. Protection is better against some diseases, such as measles, rubella and tetanus, than against polio and pertussis. _Source: CDC Epidemiology and Prevention of Vaccine-Preventable Diseases (Pink Book), section Passive Immunity_

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Why must a live, attenuated vaccine replicate inside the person who receives it?

  1. To keep the vaccine stable during storage
  2. To produce an immune response at all
  3. To prevent reversion to the wild form
  4. To avoid interference by antibody
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Correct answer: B. To produce an immune response at all

1. A live vaccine carries a weakened organism derived from a wild virus or bacterium. 2. Only a small dose is given, too small on its own to stimulate the immune system. 3. That dose must replicate in the body to create enough organism to raise an immune response. 4. Replication is also why circulating antibody, which blocks it, can cause the vaccine to fail. _Source: CDC Epidemiology and Prevention of Vaccine-Preventable Diseases (Pink Book), section Live, Attenuated Vaccines_

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