Question

According to vaccine vial monitors, a vaccine is to be discarded and not to be used if: A. Inner square color is lighter than outer circle B. Inner circle color is lighter than outer square C. Inner square color is same as the outer circle D. Inner square color is darker than outer circle

• A. C and D only
• B. A and B only
• C. A, C and D only
• D. A and C only

Hint:

Vaccine vial monitors provide an easy way to determine whether a vaccine has been exposed to potentially harmful levels of heat.

Answer 1

The Correct Option is C

Step 1: Understand the vaccine vial monitor system.
Vaccine vial monitors (VVM) are used to assess the heat exposure of vaccines. If the inner square color is lighter than the outer circle, the vaccine should be discarded.
- If the inner square color is same as the outer circle, or darker than the outer circle, the vaccine is considered to be exposed to excessive heat and should not be used.