Which of the following is a common sign of dehydration in infants?

Correct Answer: B

Rationale: The correct answer is B: Sunken fontanelle. Dehydration in infants can cause the fontanelle, the soft spot on the baby's head, to appear sunken. This is due to decreased fluid levels in the body. Sunken fontanelle is a common and easily identifiable sign of dehydration in infants. The other choices are incorrect because frequent urination is not typically associated with dehydration in infants, excessive drooling can be a normal part of teething, and increased appetite is not a specific sign of dehydration in infants.

Correct Answer: B

Rationale: The correct answer is B: 6 months. At this age, infants' digestive systems are more developed and ready for solid foods. Introducing solids too early (A) can lead to allergies and digestion issues. Waiting until 9 months (C) or 12 months (D) can delay important nutrients and increase the risk of iron deficiency. In summary, introducing solids at 6 months strikes the right balance between developmental readiness and nutritional needs for infants.

Correct Answer: A

Rationale: The correct answer is A: Maternal HIV infection. Breastfeeding is contraindicated in mothers with HIV due to the risk of transmission to the infant through breast milk. HIV can be transmitted through breast milk even if the mother is on antiretroviral therapy. Maternal diabetes, anemia, and hypertension are not contraindications for breastfeeding as long as they are well managed. Breastfeeding is actually beneficial in managing diabetes and anemia. Hypertensive mothers can breastfeed unless there are complications that require specific medications that may be unsafe for the infant.

Correct Answer: A

Rationale: The correct answer is A: Hepatitis B. Newborns are typically administered the Hepatitis B vaccine within the first 24 hours of birth to prevent transmission from infected mothers. This early vaccination helps protect infants from a potentially serious viral infection. The other choices are incorrect because BCG is usually given for tuberculosis, OPV is an oral polio vaccine, and Measles vaccination is typically given at a later age. Administering Hepatitis B vaccine to newborns is a crucial preventive measure against a common viral infection transmitted from mother to child.

Correct Answer: C

Rationale: The correct answer is C: To prevent bleeding disorders. Newborns have low levels of Vitamin K, which is essential for blood clotting. Administering Vitamin K at birth helps prevent a rare but serious condition called Vitamin K deficiency bleeding. Choice A is incorrect because Vitamin K does not prevent jaundice. Choice B is incorrect as Vitamin K does not boost the immune system. Choice D is incorrect as Vitamin K does not enhance bone development. Administering Vitamin K to newborns is crucial for preventing bleeding issues.