Correct Answer: D

Rationale: High doses of caffeine contained in coffee and tea have been linked to an increased risk of low birth weight. Consuming large amounts of caffeine during pregnancy can interfere with the baby's growth and development, leading to a lower birth weight than expected. It is important for pregnant women to limit their caffeine intake to reduce the risk of complications such as low birth weight.

Correct Answer: C

Rationale: Offering a sugar solution while gently holding the baby can help reduce the newborn's discomfort during circumcision. This method has been found to effectively decrease pain perception and can provide some comfort to the baby during the procedure. Stimulating the Babinski reflex, playing loud music to distract the baby, and assuming newborns have low sensitivity to pain are not recommended strategies for reducing discomfort during circumcision.

Correct Answer: A

Rationale: According to ecological systems theory, interactions between Marina and her child, Tyler, occur in the microsystem. The microsystem refers to the immediate social context in which an individual lives, such as interactions with family members, friends, and teachers. Marina and Tyler's interactions within their family unit would be considered part of the microsystem.

Correct Answer: B

Rationale: Difficulty arranging transportation can be a situational barrier to seeking early prenatal care because it can prevent pregnant individuals from being able to physically get to their healthcare provider for appointments. This barrier may make it challenging for individuals to access the necessary prenatal care and support for a healthy pregnancy.

Correct Answer: C

Rationale: Vision is the least-developed of the newborn baby's senses. Newborns have limited visual acuity and are not able to focus clearly on objects. Over time, their vision will improve as they grow and develop.