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Infection Prevention and Control Flashcards

7 cards from real CHSP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Infection Prevention and Control flashcards as text

  1. Which surveillance definition system does the CDC's National Healthcare Safety Network (NHSN) use to standardize healthcare-associated infection reporting?

    Answer: NHSN standardized surveillance definitions

    NHSN uses its own standardized surveillance definitions specifically designed to ensure consistent, comparable HAI reporting across facilities.

  2. A patient with active pulmonary tuberculosis is admitted. Which type of isolation room is required?

    Answer: Negative-pressure airborne infection isolation room (AIIR)

    Airborne infection isolation rooms with negative pressure and at least 12 air changes per hour are required for patients with active pulmonary TB.

  3. Which element is NOT part of the central line bundle used to prevent CLABSI?

    Answer: Routine replacement of central lines every 72 hours

    Routine scheduled replacement of central lines is not recommended and is not part of the CLABSI prevention bundle; lines should be removed when no longer necessary.

  4. A healthcare safety professional is evaluating the reprocessing of a laryngoscope blade after use. According to the Spaulding classification, how should this item be categorized?

    Answer: Semi-critical — high-level disinfection required

    Laryngoscope blades contact mucous membranes and are classified as semi-critical devices requiring high-level disinfection or sterilization.

  5. During an influenza outbreak investigation, the infection preventionist calculates an attack rate of 30% among vaccinated staff and 65% among unvaccinated staff. What does this data primarily demonstrate?

    Answer: Vaccine effectiveness is approximately 54% in this outbreak

    Vaccine effectiveness is calculated as (1 - risk ratio) × 100; with attack rates of 30% vs. 65%, VE = (1 - 0.46) × 100 ≈ 54%, showing partial but meaningful protection.

  6. Which of the following best describes the purpose of an infection control risk assessment (ICRA) in a healthcare construction project?

    Answer: To identify and mitigate infection risks to patients from construction dust and disruption

    An ICRA systematically evaluates infection risks posed by construction activities and drives control measures such as negative-pressure barriers to protect immunocompromised patients.

  7. A nurse reports that a patient on droplet precautions for influenza was transported through a common hallway without a surgical mask. What is the most appropriate immediate corrective action?

    Answer: Place a surgical mask on the patient during any transport outside the room

    Patients on droplet precautions should wear a surgical mask during transport to contain respiratory droplets and protect others in common areas.