Vaccine Cold Chain Questions & Answers


1. Cold chain is also referred to as?
a. Vaccine supply chain
b. Immunization supply chain
c. Vaccination supply chain
d. Both vaccine supply chain and immunization supply chain

2. Recommended vaccine storage temperature for OPVs at national level is?
a. 2-8
b. 8-12
c. 15-25
d. -15 to -25

3. All OPVs at district level can be stored at 2-8 degrees’ Celsius temperature for how many months?
a. 1
b. 2
c. 3
d. 4

4. Which among the following vaccines is having least sensitivity to heat?
a. OPV
b. MMR
c. JE
d. Hepatitis B

5. Which among the following vaccines should not be freezed?
a. Hepatitis B (Hep B)
b. Influenza
c. Pneumococcal
d. All the above

6. CTC Stands for?
a. Continuous temperature chain
b. Connecting temperature circuit
c. Controlled temperature chain
d. Controlled temperature circuit

7. The primary level in the cold chain delivery system means?
a. Primary health center
b. National level
c. District level
d. Province level

8. Which category of vaccine refrigerators are also referred to as photovoltaic units?
a. Electric refrigerator
b. Solar energy refrigerator
c. Kerosene refrigerator
d. Bottle gas refrigerator

9. Which category of vaccine refrigerators are the preferred option where there is reliable mains electricity for at least eight hours per day?
a. Ice lined refrigerator
b. Solar energy refrigerator
c. Kerosene refrigerator
d. All of the above

10. An insulated container that can be lined with water packs to keep vaccines and diluents in the required temperature range during transport or short-term storage is called?
a. Ice lined refrigerator
b. Vaccine cold box
c. Cold room
d. Freezer room

11. The “cold life” of a cold box is the maximum length of time that a closed cold box can maintain temperatures below …………°C when it is lined with frozen ice packs?
a. 10
b. -10
c. 20
d. -20

12. Current prequalified cold box models have a maximum cool life of how much time when tested at a constant +43 °C?
a. 12 hours to 2 days
b. 2 to 7 days
c. 6-12 hours
d. 6-12 days

13. Current prequalified vaccine carriers have a cold life of?
a. 18-50 hours
b. 24-48 hours
c. 2-5 hours
d. Up to 72 hours

14. Which water packs contain a mixture of water and ice at an initial temperature of about 0 °C?
a. Frozen ice packs
b. Conditioned ice packs
c. Cool water packs
d. Warm water packs

15. Small digital devices that are placed with freeze-sensitive vaccines during transport or storage are called?
a. Vaccine vial monitor
b. 30-day electronic temperature loggers
c. Electronic freeze indicators
d. Stem thermometers

16. It is important to keep opened multi-dose vaccine vials that do not contain preservatives, cooled at temperatures between?
a. +2 °C and +8 °C
b. 10-20
c. -2 to -8
d. -2 to 8

17. WHO Multi-Dose Vial Policy (MDVP) was launched on?
a. 2000
b. 2002
c. 2014
d. 2008

18. All opened WHO-prequalified multi-dose vials of vaccines should be discarded?
a. at the end of the immunization session
b. within six hours of opening
c. whichever comes first among above options
d. None of the above

19. In a front opening domestic refrigerator which vaccine should be kept on the top shelf?
a. Hib, HPV, TT
c. DT, DTP, Hep B
d. Rotavirus, Hib, DTP

20. Which test is used to check whether freeze-sensitive vaccines have been damaged by exposure to temperatures below 0 °C?
a. Stick test
b. Shake test
c. Shick test
d. Shock test

Obstetrics and Gynecology Nursing Questions and Answers

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