Cold Chain Management Flashcards
7 cards from real APHA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Cold Chain Management flashcards as text
A state health department conducts a cold chain audit and finds that a clinic's data logger has not been calibrated in over 2 years. What is the clinical implication of this finding?
Answer: Temperature readings during that period may be inaccurate, potentially compromising vaccine viability assessments
An uncalibrated data logger may display inaccurate readings, making it impossible to confirm whether vaccines were stored properly during the uncalibrated period.
During a power outage, a generator is used to power vaccine storage units. What additional monitoring step is essential during generator operation?
Answer: Manually checking temperature every 30 minutes since generators can cause voltage spikes
Generators can produce voltage fluctuations that affect cooling units; more frequent manual temperature checks catch excursions that automated alarms might miss.
Which of the following correctly describes the recommended approach for storing diluents alongside vaccines?
Answer: Diluents should be stored with or near their corresponding vaccines to ensure they are at the correct temperature at time of use
Diluents should be stored with or near their corresponding vaccines so they reach the correct temperature for reconstitution, preventing cold shock to the vaccine.
What minimum distance should vaccines be stored from the walls, floor, and ceiling of a refrigeration unit to ensure proper air circulation?
Answer: 2 to 3 inches (5 to 8 cm)
CDC recommends storing vaccines at least 2 to 3 inches from the walls, floor, and ceiling to allow cold air to circulate and maintain even temperatures.
A clinic is evaluating two temperature alarm systems. System A sends text alerts to one staff member's phone. System B sends alerts to multiple staff phones and also calls the clinic's main line. Which system is preferred and why?
Answer: System B, because redundant alerts ensure someone is notified if the primary contact is unavailable
Redundant alert systems ensure that temperature excursion notifications reach at least one responsible person even if the primary contact is unavailable.
A new medical assistant asks why vaccines cannot simply be stored in a household combination refrigerator-freezer unit. What is the most accurate answer?
Answer: Combination units cycle temperatures widely and the freezer compartment can cause freeze damage to refrigerator-stored vaccines
Household combination units have defrost cycles and airflow patterns that create wide temperature fluctuations, and freezer air can freeze vaccines stored in the refrigerator section.
If a clinic's vaccine coordinator is on leave, who is responsible for ensuring cold chain monitoring continues?
Answer: A designated backup coordinator who has received cold chain training should assume monitoring duties
Every vaccine program should designate a trained backup coordinator to ensure cold chain monitoring is uninterrupted when the primary coordinator is absent.