CIC Practice Test Exam #1 Questions
And Answers
The bacterium most likely to be transmitted from mother to infant during labor and cause neonatal
sepsis is: - Answer - Group B Streptococcus
Which of the following is an example of the criterion of "Strength of the Association" from Hill's criteria
for causation? - Answer - In a study of the association between antibiotic exposure and development of
C. difficile infection, the odds ratio was 2:3. Rationale: The stronger the association between an exposure
and a disease, the more likely the exposure is to be causal. The odds ratio is a statistical measure that
gives us an indication of how strongly the risk factor is associated with the disease outcome.
Which of the following rules should be followed when collecting a stool sample for C. difficile testing? -
Answer - 1. Stool sample should be freshly passed within 1-2 hours & 3. Stool should be passed into a
clean, dry container
The following blood culture result should be considered a potential contaminant: - Answer - A positive
result of coagulase-negative staphylococci from two sets, 2 days apart, without symptoms
Which of the following organisms have been associated with the transmission of infections after body
piercing? - Answer - 1) Atypical Mycobacterium species
2) Staphylococcus species
3) Pseudomonas species
All of the following may be indications of a heating, ventilation, and air conditioning (HVAC) malfunction
except: - Answer - An outbreak of ventilator-associated Acinetobacter infections in the Intensive Care
Unit (ICU)
A patient who underwent intraocular surgery was diagnosed with a noninfectious endopthalmitis after
the procedure. The IP initiates an investigation to identify the possible cause. Which of the following
factors should be considered? - Answer - 1) Improper handling, cleaning, and rinsing of the instruments
& 3) Gloves and powder
, Sensitivity may be defined as: - Answer - The ability of a test to detect true positives (persons with the
disease) when applied to a population with the disease
The IP is monitoring blood work in order to differentiate between bacterial or viral infection in a newly
admitted ICU patient. Which of the following components of a complete blood count (CBC) should the IP
examine in order to determine this information? - Answer - White blood cell count
Herpes simplex virus (HSV) keratitis is suspected in an oncology patient. Aerobic eye cultures are
negative to date. A single serum sample is sent for enzyme-linked immunosorbent assay (ELISA) antibody
testing. The following titers are reported: HSV titer 1:128, cytomegalovirus (CMV) titer <1:8, Epstein-Barr
virus (EBV) titer <1:8. These results indicate: - Answer - Presumptive identification of HSV infection. The
reference range for HSV Type I or 2 IgM antibody is <1:10 negative; a result of 1:10 or greater is a
positive result indicative of acute HSV infection.
A patient is suspected of having Pertussis. A nasopharyngeal aspirate is collected for direct fluorescent
antibody (DFA) testing and for culture eight hours after antimicrobial therapy is started. The DFA test is
negative but the culture test is positive. Does this patient have Pertussis? - Answer - Yes, because the
culture test is 100 percent specific for identification of Bordatella pertussis
An ambulatory clinic will be transporting equipment to the local hospital for sterilization. The IP at the
clinic has been askedto write a policy to ensure safe handling of the equipment by staff. The policy
should include which of the following points on handling the instruments at the point of use? - Answer -
1) Devices are to be cleaned before biofilm can form
2) Keep instrumentation moist to prevent bio-burden from drying
4) Contaminated devices are to be placed in a sealed container to prevent exposure to staff and patients
A patient is admitted for a skin infection after swimming in the ocean. Which of the following organisms
is the most likely cause? - Answer - Mycobacterium marinum
The most common organism associated with pneumonia in school-aged children and young adults is: -
Answer - Mycoplasma pneumoniae
A pediatric patient has been diagnosed with pediculosis. What is the most appropriate follow-up to
prevent it from spreading to other patients or healthcare professionals? - Answer - Place the patient on
Contact Precautions until 24 hours after appropriate treatment has been initiated
And Answers
The bacterium most likely to be transmitted from mother to infant during labor and cause neonatal
sepsis is: - Answer - Group B Streptococcus
Which of the following is an example of the criterion of "Strength of the Association" from Hill's criteria
for causation? - Answer - In a study of the association between antibiotic exposure and development of
C. difficile infection, the odds ratio was 2:3. Rationale: The stronger the association between an exposure
and a disease, the more likely the exposure is to be causal. The odds ratio is a statistical measure that
gives us an indication of how strongly the risk factor is associated with the disease outcome.
Which of the following rules should be followed when collecting a stool sample for C. difficile testing? -
Answer - 1. Stool sample should be freshly passed within 1-2 hours & 3. Stool should be passed into a
clean, dry container
The following blood culture result should be considered a potential contaminant: - Answer - A positive
result of coagulase-negative staphylococci from two sets, 2 days apart, without symptoms
Which of the following organisms have been associated with the transmission of infections after body
piercing? - Answer - 1) Atypical Mycobacterium species
2) Staphylococcus species
3) Pseudomonas species
All of the following may be indications of a heating, ventilation, and air conditioning (HVAC) malfunction
except: - Answer - An outbreak of ventilator-associated Acinetobacter infections in the Intensive Care
Unit (ICU)
A patient who underwent intraocular surgery was diagnosed with a noninfectious endopthalmitis after
the procedure. The IP initiates an investigation to identify the possible cause. Which of the following
factors should be considered? - Answer - 1) Improper handling, cleaning, and rinsing of the instruments
& 3) Gloves and powder
, Sensitivity may be defined as: - Answer - The ability of a test to detect true positives (persons with the
disease) when applied to a population with the disease
The IP is monitoring blood work in order to differentiate between bacterial or viral infection in a newly
admitted ICU patient. Which of the following components of a complete blood count (CBC) should the IP
examine in order to determine this information? - Answer - White blood cell count
Herpes simplex virus (HSV) keratitis is suspected in an oncology patient. Aerobic eye cultures are
negative to date. A single serum sample is sent for enzyme-linked immunosorbent assay (ELISA) antibody
testing. The following titers are reported: HSV titer 1:128, cytomegalovirus (CMV) titer <1:8, Epstein-Barr
virus (EBV) titer <1:8. These results indicate: - Answer - Presumptive identification of HSV infection. The
reference range for HSV Type I or 2 IgM antibody is <1:10 negative; a result of 1:10 or greater is a
positive result indicative of acute HSV infection.
A patient is suspected of having Pertussis. A nasopharyngeal aspirate is collected for direct fluorescent
antibody (DFA) testing and for culture eight hours after antimicrobial therapy is started. The DFA test is
negative but the culture test is positive. Does this patient have Pertussis? - Answer - Yes, because the
culture test is 100 percent specific for identification of Bordatella pertussis
An ambulatory clinic will be transporting equipment to the local hospital for sterilization. The IP at the
clinic has been askedto write a policy to ensure safe handling of the equipment by staff. The policy
should include which of the following points on handling the instruments at the point of use? - Answer -
1) Devices are to be cleaned before biofilm can form
2) Keep instrumentation moist to prevent bio-burden from drying
4) Contaminated devices are to be placed in a sealed container to prevent exposure to staff and patients
A patient is admitted for a skin infection after swimming in the ocean. Which of the following organisms
is the most likely cause? - Answer - Mycobacterium marinum
The most common organism associated with pneumonia in school-aged children and young adults is: -
Answer - Mycoplasma pneumoniae
A pediatric patient has been diagnosed with pediculosis. What is the most appropriate follow-up to
prevent it from spreading to other patients or healthcare professionals? - Answer - Place the patient on
Contact Precautions until 24 hours after appropriate treatment has been initiated
