A client with a primary brain tumor is to receive radiation after undergoing surgery to remove the tumor. The nurse knows that they may not receive chemotherapy because of the following reason.
Chemotherapy has side effects
Difficulty for chemotherapy to go through the blood-brain barrier
Chemotherapy is not needed with brain tumors as they never metastasize
Chemotherapy is not used to treat cancer
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Educating the client on anticonvulsant medications is important, but it is not the priority during an active seizure. Education should be provided after the seizure has ended.
B. Monitoring vital signs is important but should not be the immediate priority during a seizure. The nurse should focus on airway management first.
C. Restraining the client is contraindicated during a seizure. Restraining can cause injury to both the client and the nurse. The focus should be on protecting the client from harm.
D. The prevention of occlusion of the airway or aspiration is the priority. During a tonic-clonic seizure, there is a risk of the client choking, biting their tongue, or having difficulty breathing. The nurse should ensure the airway is open, prevent aspiration, and protect the client from injury during the seizure.
Correct Answer is A
Explanation
A. Bowel or bladder incontinence is a medical emergency and should be immediately reported. This symptom can indicate cauda equina syndrome, a condition caused by compression of the spinal nerves at the lower end of the spinal cord. This requires urgent surgical intervention to prevent permanent nerve damage.
B. Lower back pain is a common symptom of a herniated lumbar disk, but it is not an immediate emergency unless accompanied by other severe symptoms.
C. Muscle spasms are also common with a herniated disk and, while uncomfortable, are not immediately life-threatening.
D. Pain radiating down one leg (sciatica) is a typical symptom of a herniated lumbar disk and is often managed conservatively, unless it is severe or accompanied by other neurological deficits.
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