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質問 1：
Which of the following BEST demonstrates the effectiveness of a program targeted at reducing central-line associated bloodstream infections (CLABSIs) in an intensive care unit (ICU)?
A. A 30% decrease in total costs related to treatment of CLABSIs over 12 months
B. A 30% reduction in the use of antibiotic-impregnated central catheters over 6 months
C. A 25% reduction in the incidence of CLABSIs over 6 months
D. A 25% decrease in the length of stay in the ICU related to CLABSIs
正解：C
解説: (Pass4Test メンバーにのみ表示されます)
質問 2：
There are four cases of ventilator-associated pneumonia in a surgical intensive care unit with a total of 200 ventilator days and a census of 12 patients. Which of the following BEST expresses how this should be reported?
A. Postoperative pneumonia rate of 6% in SICU patients
B. Ventilator-associated pneumonia rate of 2%
C. More information is needed regarding ventilator days per patient
D. 20 ventilator-associated pneumonia cases/1000 ventilator days
正解：D
解説: (Pass4Test メンバーにのみ表示されます)
質問 3：
An infection preventionist is evaluating a new catheter that may decrease the rate of catheter-associated urinary tract infections. Which of the following provides the BEST information to support the selection of this catheter?
A. Cost benefit analysis and safety considerations
B. Value analysis and information provided by the manufacturer
C. Staff member preference and product availability
D. Product materials and vendor information
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 4：
A microbiology laboratory plays a pivotal role in both endemic and epidemic epidemiology. Which of the following should be investigated FIRST?
A. Two isolates of Staphylococcus aureus in postoperative surgical sites.
B. Three respiratory isolates of multi-drug resistant Klebsiella pneumoniae in the medical ICU.
C. One blood isolate of Streptococcus agalactiae in the nursery.
D. Two blood isolates of coagulase-negative staphylococci in the oncology unit.
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 5：
Which of the following statements is true in considering work reassignment for pregnant employees?
A. Pregnant employees who are not immune to varicella should be excluded from pediatrics
B. Pregnant employees should not be assigned to patients with known infections
C. Pregnant employees who are positive for hepatitis B surface antibody may not care for hepatitis B patients
D. Pregnant employees rarely require work reassignments
正解：A
解説: (Pass4Test メンバーにのみ表示されます)
質問 6：
An infection preventionist (IP) observes an increase in primary bloodstream infections in patients admitted through the Emergency Department. Poor technique is suspected when peripheral intravenous (IV) catheters are inserted. The IP should FIRST stratify infections by:
A. Site of insertion: hand, forearm, or antecubital fossa.
B. Location of IV insertion: pre-hospital, Emergency Department, or in-patient unit.
C. Type of skin preparation used for the IV site: alcohol, CHG/alcohol, or iodophor.
D. Type of dressing used: gauze, CHG impregnated sponge, or transparent.
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
Which of the following BEST demonstrates the effectiveness of a program targeted at reducing central-line associated bloodstream infections (CLABSIs) in an intensive care unit (ICU)?
A. A 30% decrease in total costs related to treatment of CLABSIs over 12 months
B. A 30% reduction in the use of antibiotic-impregnated central catheters over 6 months
C. A 25% reduction in the incidence of CLABSIs over 6 months
D. A 25% decrease in the length of stay in the ICU related to CLABSIs
正解：C
解説: (Pass4Test メンバーにのみ表示されます)
質問 2：
There are four cases of ventilator-associated pneumonia in a surgical intensive care unit with a total of 200 ventilator days and a census of 12 patients. Which of the following BEST expresses how this should be reported?
A. Postoperative pneumonia rate of 6% in SICU patients
B. Ventilator-associated pneumonia rate of 2%
C. More information is needed regarding ventilator days per patient
D. 20 ventilator-associated pneumonia cases/1000 ventilator days
正解：D
解説: (Pass4Test メンバーにのみ表示されます)
質問 3：
An infection preventionist is evaluating a new catheter that may decrease the rate of catheter-associated urinary tract infections. Which of the following provides the BEST information to support the selection of this catheter?
A. Cost benefit analysis and safety considerations
B. Value analysis and information provided by the manufacturer
C. Staff member preference and product availability
D. Product materials and vendor information
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 4：
A microbiology laboratory plays a pivotal role in both endemic and epidemic epidemiology. Which of the following should be investigated FIRST?
A. Two isolates of Staphylococcus aureus in postoperative surgical sites.
B. Three respiratory isolates of multi-drug resistant Klebsiella pneumoniae in the medical ICU.
C. One blood isolate of Streptococcus agalactiae in the nursery.
D. Two blood isolates of coagulase-negative staphylococci in the oncology unit.
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 5：
Which of the following statements is true in considering work reassignment for pregnant employees?
A. Pregnant employees who are not immune to varicella should be excluded from pediatrics
B. Pregnant employees should not be assigned to patients with known infections
C. Pregnant employees who are positive for hepatitis B surface antibody may not care for hepatitis B patients
D. Pregnant employees rarely require work reassignments
正解：A
解説: (Pass4Test メンバーにのみ表示されます)
質問 6：
An infection preventionist (IP) observes an increase in primary bloodstream infections in patients admitted through the Emergency Department. Poor technique is suspected when peripheral intravenous (IV) catheters are inserted. The IP should FIRST stratify infections by:
A. Site of insertion: hand, forearm, or antecubital fossa.
B. Location of IV insertion: pre-hospital, Emergency Department, or in-patient unit.
C. Type of skin preparation used for the IV site: alcohol, CHG/alcohol, or iodophor.
D. Type of dressing used: gauze, CHG impregnated sponge, or transparent.
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
Tachibana -
各項の注目点と基本的な考え方が分かりやすい内容だ。
試験にはこれが出る！と明確に要点を把握できる構成もなかなか良いと感じる。