Correct Answer: A

Rationale: Patient safety and efficacy of care depend on actions rooted in established nursing protocols that consider both the immediate and long-term needs of the patient.

Correct Answer: B

Rationale: Nursing interventions should be grounded in a deep understanding of the physiological processes involved, ensuring that care provided is both effective and efficient.

Correct Answer: A

Rationale: Adequate weight gain during pregnancy is essential as failure to obtain the required weight gain can increase the risk of preterm birth. Choice B is incorrect because it is important for obese clients to gain an appropriate amount of weight during pregnancy, not the same as those with a normal body mass index. Choice C is incorrect as gaining 50 pounds for a client with a normal body mass index is excessive. Choice D is incorrect as the common saying 'eating for two' during pregnancy is a misconception; pregnant individuals do not need to double their caloric intake.

Correct Answer: B

Rationale: Nursing interventions should be grounded in a deep understanding of the physiological processes involved, ensuring that care provided is both effective and efficient.

Correct Answer: D

Rationale: Understanding the underlying pathology and therapeutic techniques ensures that nursing care is not only reactive but also preventative, reducing the risk of complications.