is a vitamin supplement prescribed for clients who have hyperemesis gravidarum.

Correct Answer: B

Rationale: Calcium gluconate is indeed the antidote for magnesium sulfate toxicity. In cases where a pregnant client is receiving magnesium sulfate for conditions like preeclampsia, it is important to have calcium gluconate readily available in case of magnesium toxicity. This is a crucial intervention to prevent any adverse effects on both the mother and the baby. So, the nurse should ensure that calcium gluconate is available and be prepared to administer it if needed.

Correct Answer: C

Rationale: True labor is characterized by regular, strong contractions that lead to cervical changes.

Correct Answer: A

Rationale:

Correct Answer: D

Rationale: When a nurse is assessing a newborn upon admission to the nursery, it is expected that the chest circumference will be smaller than the head circumference. This is a normal finding in a newborn, where the head circumference is slightly larger than the chest circumference due to the proportionate sizes of the newborn's head and chest. This difference helps accommodate the vital organs within the chest cavity while allowing for the growth and development of the brain. Therefore, a chest circumference that is 2 cm smaller than the head circumference is a typical and expected finding in a newborn assessment.

Correct Answer: B

Rationale: Amniotic fluid serves multiple functions, including cushioning the fetus, temperature regulation, and monitoring fetal kidney health.