Solutions
70% alcohol and quaternary ammonium compounds are
effective against Correct Answers enveloped viruses
A person who has been exposed to rabies receives both HRIG
(human rabies immunoglobulin) injected near the bite site and
the rabies vaccine. What does this strategy represent?
A) active immunization
B) passive immunotherapy
C) viral hemagglutination inhibition
D) passive immunotherapy combined with viral
hemagglutination inhibition
E) active immunization combined with passive immunotherapy
Correct Answers E) active immunization combined with
passive immunotherapy
Although vaccines used in national immunization programs are
considered safe and effective, vaccines are not risk-free and
adverse events will occasionally occur following vaccination.
Public trust in vaccine safety is key to the success of vaccination
programs. An adverse event following immunization is any
untoward medical occurrence after immunization, which does
not necessarily have a causal relationship with the usage of the
vaccine. Which of the following is a correct statement with
regard to an adverse event following immunization?
A. An adverse event following immunization can be due to any
adverse vaccine reaction caused or precipitated by a vaccine-
related event when the vaccine administered correctly.
,B. An adverse event following immunization can be due to an
adverse vaccine reaction caused by errors in the administration
of the vaccine.
C. An adverse event following immunization can be due to an
adverse Correct Answers E. An adverse event following
immunization can be due to an adverse vaccine reaction due to
the causes mentioned in A, B and C
An autoclave is able to achieve temperatures higher than that of
boiling water ____________.
A. by decreasing the volume of liquid
B. by increasing the temperature higher than boiling water
C. by increasing the time of exposure to boiling water
D. by increasing the pressure
E. Autoclaves cannot reach temperatures higher than boiling
water. Correct Answers D. by increasing the pressure
An increase or non-increase of the post-vaccination rate of
adverse events may give a clue on whether the event is actually
caused by the vaccine. In addition, observing the rate of an
adverse event in the vaccinated population and comparing it
with the rate of that event among the unvaccinated population
can help distinguish genuine vaccine reactions.Imagine that
rumors begin to circulate about a vaccine when cases of
convulsions following immunization occur amongst vaccinated
infants. The background rate of convulsions in this population is
1:1,000 infants. The observed rate of convlusions in vaccinated
infants is 1.2:1,000.
, What is the vaccine attributable rate derived from these figures?
Correct Answers 2 additional cases of convulsions in every
10,000 vaccinations, compared with the background rate
An infectious disease researcher isolates the pathogen
responsible for an emerging disease. The microbe is grown in
the lab for many generations. A preparation of the laboratory-
grown microbe is treated with ionizing radiation and then tested
for its potential as a vaccine. What type of vaccine is this?
A) attenuated vaccine
B) subunit vaccine
C) combination vaccine
D) toxoid vaccine
E) inactivated whole Correct Answers E) inactivated whole
Antibiotic resistance is
A. the misuse of antibiotics by clinicians resulting in increased
healthcare costs.
B. a consequence of the mutagenic action of the antibiotic on the
bacterium.
C. clinically important because it results in increased morbidity
and mortality
D. found equally prevalent in hospital-acquired and community-
acquired infections
E. clinically important because it results in increased toxicity
during infection Correct Answers C. clinically important
because it results in increased morbidity and mortality
Beta-lactam containing antibiotics