Correct Answer: D

Rationale: Assessment of the woman should be done first to determine whether she is having true labor and, if so, what stage of labor she is in.

Correct Answer: D

Rationale: Putting the baby to breast can help reduce post-delivery blood loss as suckling stimulates the release of oxytocin, causing uterine contractions. Lactation typically starts 1 to 3 days after delivery, not immediately. Nipple stretching exercises are recommended for flat or inverted nipples, not everted ones. Excessive washing of the nipples can dry them out, increasing the risk of fissures.

Correct Answer: D

Rationale: Sensitivity is the ability of a diagnostic test to correctly identify individuals with the disease. A test with high sensitivity will rarely give false negative results, as it will detect almost all positive cases. In the context of the given scenario, false negative results indicate that the test is lacking in sensitivity to pick up all cases of pulmonary tuberculosis, leading to some cases being missed.

Correct Answer: B

Rationale: Under 5-year-old children are particularly susceptible to protein-energy malnutrition (PEM) because they have generally been weaned and often rely on others for food. This population may suffer from poor intrafamilial food distribution, contributing to their vulnerability.

Correct Answer: A

Rationale: The primary reason for giving iron supplementation to pregnant women is to prevent anemia. Anemia can have detrimental effects on both the mother and the developing fetus. Iron is essential for the production of red blood cells, and during pregnancy, the demand for iron increases to support the mother's increased blood volume and the developing fetus. Anemia in pregnancy can lead to complications such as preterm birth, low birth weight, and even maternal mortality. Therefore, ensuring adequate iron intake through supplementation is crucial to prevent these adverse outcomes.