Correct Answer: D

Rationale: A lithium level of 0.8 mEq/L falls within the therapeutic range for maintaining the drug's effectiveness while minimizing toxicity. Therefore, the appropriate action would be to continue administering the medication as prescribed by the healthcare provider to maintain the therapeutic effect for the client.

Correct Answer: B

Rationale: Dehydration can lead to an imbalance in electrolytes and cause uterine irritability, potentially leading to preterm contractions. It is essential for the nurse to educate the client on the importance of adequate hydration to reduce the risk of preterm labor. The statement 'Dehydration can increase the risk of preterm labor' directly addresses the client's condition and provides relevant information for their understanding and management of the situation.

Correct Answer: B

Rationale: In situations where there is a language barrier between healthcare providers and patients, it is essential to ensure accurate communication. Using professional interpreter services is the most appropriate choice to ensure clear and precise communication. Relying on the client's children for interpretation may not guarantee accurate or confidential communication. Asking the nurse to interpret can lead to miscommunication or misunderstanding of important medical information. Providing translation services for a nominal fee to clients may not always be feasible or culturally appropriate. Regularly evaluating the client's understanding helps ensure that information is effectively communicated and comprehended.

Correct Answer: A

Rationale: Diaper dermatitis, also known as diaper rash, is a common condition in babies or clients who wear diapers. The primary intervention for diaper dermatitis is to apply a protective barrier cream, such as zinc oxide ointment, to the irritated area. This helps to protect the skin from irritants and promotes healing. Wiping stool from the skin using baby wipes may further irritate the skin, and talcum powder is no longer recommended due to potential respiratory risks when inhaled. Therefore, the correct action for the nurse in this scenario is to apply zinc oxide ointment to the irritated area.

Correct Answer: D

Rationale: A lithium level of 0.8 mEq/L falls within the therapeutic range for maintaining the drug's effectiveness while minimizing toxicity. Therefore, the appropriate action would be to continue administering the medication as prescribed by the healthcare provider to maintain the therapeutic effect for the client.