Correct Answer: A

Rationale: Vitamin A is crucial for maintaining the integrity of epithelial tissues, which are the body's first line of defense against pathogens. By supporting the immune system, vitamin A helps protect the postpartum client from infections and promotes overall health.

Correct Answer: B

Rationale: When a baby has properly latched onto the breast, they take deep, slow sucks, their mouth is wide open, and much of the areola is inside their mouth. A key indicator of a proper latch is that the mother does not feel nipple pain, indicating that the baby is positioned correctly and feeding effectively.

Correct Answer: B

Rationale: The general fertility rate is calculated by dividing the number of registered live births by the number of females of reproductive age (usually 15-45 years) and then multiplying the result by 1,000. This rate helps in understanding the average number of live births a woman in a specific population is expected to have during her reproductive years.

Correct Answer: D

Rationale: According to R.A. 3753, any birth attendant, including public health nurses, rural health midwives, and municipal health officers, may sign the certificate of live birth. This law allows a range of health professionals involved in childbirth to be authorized to sign birth certificates, ensuring accessibility and convenience for parents.

Correct Answer: A

Rationale: Vitamin A is crucial for maintaining the integrity of epithelial tissues, which are the body's first line of defense against pathogens. By supporting the immune system, vitamin A helps protect the postpartum client from infections and promotes overall health.