A nurse is collecting data from a client who is taking warfarin and has an elevated PT/INR. Which of the following medications should the nurse anticipate administering?

A. Keep familiar personal items in the client's room is an effective strategy to help reduce confusion in clients with Alzheimer's disease. Familiar items can provide comfort and a sense of security, which can help orient the client and reduce agitation.

B. Hang abstract pictures on the walls is not recommended for clients with Alzheimer's disease, as abstract art may be confusing or difficult for them to interpret. Instead, simple and familiar images are more beneficial for orientation.

C. Encourage bright lighting in the room may cause discomfort or confusion for some individuals with Alzheimer's disease, especially if they are sensitive to light. Soft, ambient lighting is often more calming.

D. Keep the television on at all times may be overstimulating and contribute to confusion. It is better to create a calm and quiet environment to help the client focus and reduce agitation.

A. While chemotherapy does have side effects, this is not the primary reason for its limited use in treating brain tumors. Side effects are a consideration but not the main obstacle.

B. The blood-brain barrier is a selective permeability barrier that limits the ability of many chemotherapy drugs to pass from the bloodstream into the brain tissue. This makes it difficult for chemotherapy to effectively treat brain tumors.

C. Brain tumors can metastasize and spread to other parts of the body, so chemotherapy may still be needed, especially in cases of malignant tumors.

D. Chemotherapy is commonly used to treat cancer, including brain tumors, but the blood-brain barrier poses a significant challenge in its effectiveness.