Correct Answer: D

Rationale: Combining legumes and grains ensures the client receives all essential amino acids to form complete proteins, which is crucial in a vegetarian diet. Options A, B, and C are incorrect. Option A is not necessary as there are plant-based sources of essential amino acids in a lacto-vegetarian diet. Option B suggests vitamin K, which is not directly related to enhancing red blood cell production. Option C mentions increasing dark yellow vegetables, which are sources of non-heme iron, but combining legumes and grains is more effective in addressing the protein needs of a lacto-vegetarian.

Correct Answer: C

Rationale: The correct action for the nurse to implement first is to stop the infusion. Stopping the infusion is crucial to prevent further potassium from being administered, which can exacerbate the client's hyperkalemia. Notifying the healthcare provider of the laboratory results (Choice A) can be done after taking immediate action to stop the infusion. Decreasing the rate of the IV infusion (Choice B) may not be sufficient to address the high potassium level quickly. Administering sodium polystyrene sulfonate (Kayexalate) (Choice D) is not the initial action for managing hyperkalemia; stopping the potassium infusion takes precedence.

Correct Answer: D

Rationale: The correct answer is D. When assessing a client diagnosed with a brain tumor, asking about seizures is crucial because they can be a common symptom associated with brain tumors. Seizures in this context could provide valuable information regarding the progression and impact of the brain tumor on the client's neurological status. Choices A, B, and C are important questions in a general assessment, but when specifically focusing on a client with a brain tumor, inquiring about seizures takes priority due to its direct relevance to the condition.

Correct Answer: B

Rationale: The correct instruction is to advise the client to avoid alcohol while taking phenytoin. Alcohol can interact with phenytoin, making it less effective and leading to increased side effects. Taking the medication with meals (Choice A) may help reduce gastrointestinal upset but is not the most crucial instruction for this medication. Limiting sodium intake (Choice C) is not directly related to phenytoin therapy. Taking the medication at bedtime (Choice D) is not a standard instruction for phenytoin administration.

Correct Answer: D

Rationale: A Glasgow Coma Scale of 3 indicates severe neurological impairment, suggesting a deep coma or even impending death. This client's condition is critical, and he has a very poor prognosis. Choice A is incorrect because a GCS of 3 does not directly indicate increased intracranial pressure. Choice B is incorrect as a GCS of 3 signifies a grave neurological status. Choice C is incorrect as a GCS of 3 represents a state of unconsciousness rather than being conscious but disoriented.