Bài tập Unit 8 Immunization

PART 1: REMEMBERING (20 QUESTIONS)

Choose the best answer

  1. Immunization is also called ______.
    A. infection
    B. vaccination
    C. contamination
    D. inflammation
  2. Immunization stimulates the body’s ______ system.
    A. nervous
    B. digestive
    C. immune
    D. respiratory
  3. Vaccines are made from ______.
    A. vitamins
    B. bacteria or viruses
    C. proteins only
    D. hormones
  4. Treated microorganisms in vaccines are ______.
    A. stronger
    B. alive and dangerous
    C. modified or killed
    D. inactive chemicals
  5. The immune system builds a ______ against diseases.
    A. reaction
    B. structure
    C. defense mechanism
    D. pathway
  6. Smallpox was eradicated in ______.
    A. 1970
    B. 1980
    C. 1990
    D. 2000
  7. WHO stands for ______.
    A. World Health Office
    B. World Human Organization
    C. World Health Organization
    D. World Hospital Organization
  8. Active immunization involves ______.
    A. antibodies only
    B. injection of antigens
    C. exercise
    D. surgery
  9. Antigens are substances recognized as ______.
    A. normal
    B. foreign
    C. harmless
    D. useful
  10. T lymphocytes are ______.
    A. red blood cells
    B. white blood cells
    C. platelets
    D. hormones
  11. Passive immunization provides ______ protection.
    A. permanent
    B. temporary
    C. lifelong
    D. delayed
  12. Antibodies in passive immunity last about ______.
    A. 1 day
    B. 1 month
    C. 2–3 weeks
    D. 1 year
  13. Booster shots are given ______.
    A. once only
    B. randomly
    C. at specific intervals
    D. daily
  14. Tetanus shots are recommended every ______ years.
    A. 5
    B. 8
    C. 10
    D. 15
  15. Attenuated organisms are ______.
    A. dead
    B. weakened
    C. harmful
    D. toxic
  16. Passive immunization uses ______.
    A. vaccines
    B. bacteria
    C. antibodies
    D. viruses
  17. Hemophilus influenzae type B affects mainly ______.
    A. adults
    B. elderly
    C. infants and children
    D. animals
  18. Immune globulin is derived from ______.
    A. plants
    B. blood plasma
    C. bones
    D. muscles
  19. Measles vaccine was first licensed in ______.
    A. 1950
    B. 1963
    C. 1975
    D. 1985
  20. Pneumococcus can cause ______.
    A. flu
    B. cancer
    C. pneumonia
    D. diabetes

PART 2: UNDERSTANDING (20 QUESTIONS)

  1. Why do vaccines not cause disease?
    A. They are too weak to react
    B. They are modified or killed
    C. They contain no microorganisms
    D. They destroy immunity
  2. What is the main function of immunization?
    A. Cure diseases
    B. Prevent diseases
    C. Diagnose diseases
    D. Spread immunity
  3. Why does the immune system respond quickly after immunization?
    A. It remembers the antigen
    B. It becomes weaker
    C. It avoids pathogens
    D. It ignores infection
  4. What does active immunization mimic?
    A. Artificial infection
    B. Real infection
    C. Surgery
    D. Chemical reaction
  5. Why are booster shots needed?
    A. To start immunity
    B. To strengthen immunity
    C. To replace vaccines
    D. To reduce cost
  6. What is the difference between active and passive immunity?
    A. Duration of protection
    B. Type of disease
    C. Age group
    D. Cost
  7. Why is passive immunity immediate?
    A. It produces antigens
    B. It injects antibodies directly
    C. It stimulates memory
    D. It weakens pathogens
  8. Why can passive immunity be life-saving?
    A. It works slowly
    B. It acts immediately
    C. It lasts long
    D. It replaces vaccines
  9. What is the purpose of using attenuated organisms?
    A. To increase risk
    B. To weaken pathogens
    C. To destroy immunity
    D. To delay response
  10. Why are infants prioritized for vaccination?
    A. They are stronger
    B. They are more vulnerable
    C. They need fewer vaccines
    D. They resist diseases
  11. Why did measles outbreaks occur in the 1980s?
    A. No vaccines existed
    B. Vaccines were ineffective long-term
    C. No children were vaccinated
    D. Virus disappeared
  12. Why is human-derived immune globulin preferred?
    A. It is cheaper
    B. It reduces side effects
    C. It is stronger
    D. It lasts longer
  13. Why do some vaccines give partial protection?
    A. Weak immune response
    B. Poor quality
    C. No antigens
    D. High toxicity
  14. Why are genetically engineered vaccines important?
    A. They are cheaper
    B. They are safer and effective
    C. They are easier to produce
    D. They last forever
  15. Why must adults be vaccinated?
    A. They are immune already
    B. Immunity may decrease
    C. They cannot get diseases
    D. They need fewer doses
  16. Why is influenza vaccine recommended yearly?
    A. Virus changes
    B. Vaccine expires
    C. Immunity is permanent
    D. It is optional
  17. Why are vaccines considered safe?
    A. No side effects
    B. Only used in adults
    C. No testing
    D. Low risk compared to benefits
  18. Why can some vaccines cause mild symptoms?
    A. Infection occurs
    B. Body rejects vaccine
    C. Vaccine is toxic
    D. Immune response is triggered
  19. Why does immunization reduce disease incidence?
    A. It kills all bacteria
    B. It replaces medicine
    C. It removes viruses
    D. It builds population immunity
  20. Why is early immunization important?
    A. It saves money
    B. It builds early protection
    C. It avoids doctors
    D. It reduces vaccines

PART 3: APPLYING (10 QUESTIONS)

  1. A patient is bitten by a rabid animal. Which is best?
    A. Active immunization
    B. Passive immunization
    C. No treatment
    D. Antibiotics
  2. A child receives multiple doses of a vaccine. This is called ______.
    A. infection
    B. booster vaccination
    C. passive immunity
    D. immunity failure
  3. A person needs immediate protection after exposure. Choose:
    A. Active immunity
    B. Passive immunity
    C. Natural immunity
    D. Genetic immunity
  4. A vaccine uses weakened live organisms. It is ______.
    A. inactive
    B. attenuated
    C. toxic
    D. artificial
  5. A patient develops mild fever after vaccination. This indicates:
    A. failure
    B. immune response
    C. infection
    D. allergy
  6. An adult has not had tetanus shot for 12 years. What should be done?
    A. Ignore
    B. Booster shot
    C. Surgery
    D. Antibiotics
  7. A newborn receives antibodies from mother. This is ______.
    A. active immunity
    B. passive immunity
    C. artificial immunity
    D. vaccination
  8. A vaccine prevents severe but not mild disease. It gives ______.
    A. full immunity
    B. artificial immunity
    C. no immunity
    D. partial immunity
  9. A doctor injects immune globulin after exposure. Purpose?
    A. Long-term protection
    B. Prevention only
    C. Diagnosis
    D. Immediate protection
  10. A country increases vaccination coverage. Expected result?
    A. More disease
    B. Less immunity
    C. Reduced epidemics
    D. More infections
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