Question

Fill in the blank. In immunization, OPV stands for __________.

• A. Open Polio Vaccine
• B. Open Paralytic Vaccine
• C. Oral Pneumonia Vaccine
• D. Oral Polio Vaccine

Hint:

OPV means Oral Polio Vaccine, used for prevention of poliomyelitis.

Answer 1

The Correct Option is D

Concept: OPV is a vaccine used in immunization programs to protect children against poliomyelitis (polio). OPV stands for: \[ \text{Oral Polio Vaccine} \] It is administered orally and contains weakened poliovirus to stimulate immunity.

Step 1: Analyze option A.
“Open Polio Vaccine” is not the correct expansion of OPV.
Hence, option A is incorrect.

Step 2: Analyze option B.
“Open Paralytic Vaccine” is not related to immunization terminology.
Hence, option B is incorrect.

Step 3: Analyze option C.
“Oral Pneumonia Vaccine” is not the full form of OPV.
Hence, option C is incorrect.

Step 4: Analyze option D.
OPV correctly stands for Oral Polio Vaccine.
Hence, option D is correct. Therefore, the correct answer is: \[ \boxed{(D)\ \text{Oral Polio Vaccine}} \]