In a mother's class, you discuss proper breastfeeding technique. Which of these is a sign that the baby has latched on the breast properly?

Correct Answer: B

Rationale: The correct answer is B because if the mother does not feel nipple pain, it indicates that the baby has latched on properly. Nipple pain is a common sign of improper latch, which can lead to discomfort and ineffective breastfeeding. The other choices are incorrect: A indicates ineffective sucking, C suggests a shallow latch, and D signifies a shallow latch that only involves the nipple, not the areola, leading to potential issues with milk transfer and nipple pain.

Correct Answer: B

Rationale: The correct answer is B: OPV. The oral polio vaccine (OPV) used in the Expanded Program on Immunization (EPI) is stored in the freezer to maintain its potency. OPV is a live vaccine that requires cold storage to prevent the virus from becoming inactive. DPT, Hepatitis B vaccine, and Measles vaccine are typically stored in the refrigerator, not the freezer, as they are either killed or attenuated vaccines that remain stable at higher temperatures. Therefore, the need for freezer storage specifically points to OPV as the correct answer.

Correct Answer: A

Rationale: The correct answer is A: Immunization coverage. This is the most effective measure as it ensures a high percentage of the population is vaccinated, leading to herd immunity. This reduces the spread of diseases. Cold chain (B) ensures vaccine quality but doesn't directly control disease occurrence. Potency of vaccines (C) is important but doesn't address population coverage. Health education (D) is valuable but doesn't directly prevent disease spread like high immunization coverage does.

Correct Answer: A

Rationale: The correct answer is A: BCG. BCG vaccine is administered through intradermal injection, leaving a small scar due to the immune response it triggers. The scar formation is a characteristic feature of the BCG vaccine and is used as an indicator of successful vaccination. Other vaccines like DPT, Hepatitis B, and Measles do not typically leave a permanent scar at the injection site. The scar formation with BCG vaccine is a result of the body's immune response to the live attenuated Mycobacterium bovis strain in the vaccine, leading to a localized inflammatory reaction and subsequent scarring.

Correct Answer: A

Rationale: The correct answer is A: To help strengthen her immune system. Vitamin A plays a crucial role in maintaining a healthy immune system, which is especially important for postpartum women to prevent infections. Vitamin A deficiency can weaken the immune response, making the body more susceptible to infections. Explanation for other choices: B: To improve her vision - While vitamin A is essential for good vision, it is not the primary reason for administering it to a postpartum client. C: To protect her from infection - This is partially correct, as vitamin A helps protect against infections, but the primary reason is to strengthen the immune system. D: To promote wound healing - Vitamin A is important for wound healing, but the immune system support is the key reason for administering it in the postpartum period.