A nurse is reviewing a client's magnetic resonance imaging (MRI) report that shows an infratentorial tumor in the cerebellum. The nurse should expect to find which of the following manifestations in the client? (Select all that apply.)
Ataxia
Nystagmus
Dysphagia
Aphasia
Hemiparesis
Correct Answer : A,B,C
Choice A reason:
This statement is true. Ataxia is a lack of coordination of voluntary movements that can affect the gait, balance, speech, or eye movements. It is caused by damage to the cerebellum, which is responsible for coordinating muscle activity and maintaining posture and equilibrium.
Choice B reason:
This statement is true. Nystagmus is a rapid involuntary movement of the eyes that can be horizontal, vertical, or rotary. It is caused by damage to the cerebellum or the vestibular system, which regulates the sense of balance and spatial orientation.
Choice C reason:
This statement is true. Dysphagia is difficulty swallowing that can affect the oral, pharyngeal, or esophageal stages of swallowing. It is caused by damage to the cerebellum or the brainstem, which control the muscles involved in swallowing.
Choice D reason:
This statement is false. Aphasia is a loss or impairment of language function that can affect the expression, comprehension, reading, or writing of speech. It is caused by damage to the cerebral cortex, especially the left hemisphere, which is responsible for language processing.
Choice E reason:
This statement is false. Hemiparesis is weakness or paralysis of one side of the body that can affect the face, arm, or leg. It is caused by damage to the cerebral cortex or the corticospinal tract, which control voluntary movement.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
Choice A reason:
This statement is true. New onset of seizures is a sign of radiation necrosis, which is a delayed complication of radiation therapy that occurs when normal brain tissue dies due to radiation exposure. Radiation necrosis can cause neurological deficits such as seizures by affecting the function of different areas of the brain and disrupting the electrical activity of neurons.
Choice B reason:
This statement is true. Increased intracranial pressure is a sign of radiation necrosis, which is a delayed complication of radiation therapy that occurs when normal brain tissue dies due to radiation exposure. Radiation necrosis can cause increased intracranial pressure by applying pressure to surrounding brain tissue and impairing cerebral blood flow and cerebrospinal fluid drainage.
Choice C reason:
This statement is false. Hair loss at the radiation site is not a sign of radiation necrosis, but a common side effect of radiation therapy that occurs when hair follicles are damaged by radiation exposure. Hair loss at the radiation site is usually temporary and reversible.
Choice D reason:
This statement is true. Cognitive impairment is a sign of radiation necrosis, which is a delayed complication of radiation therapy that occurs when normal brain tissue dies due to radiation exposure. Radiation necrosis can cause cognitive impairment such as memory loss, confusion, or dementia by affecting the function of different areas of the brain and disrupting the cognitive processes.
Choice E reason:
This statement is false. Skin erythema at the radiation site is not a sign of radiation necrosis, but a common side effect of radiation therapy that occurs when skin cells are damaged by radiation exposure. Skin erythema at the radiation site is usually mild and self-limiting.
Correct Answer is A
Explanation
Choice A reason:
This statement is true, as explained above.
Choice B reason:
This statement is not an adverse effect of chemotherapy, but of the brain tumor itself. Brain tumors can cause cerebral edema by applying pressure to surrounding brain tissue and impairing cerebral blood flow and cerebrospinal fluid drainage.
Choice C reason:
This statement is not an adverse effect of chemotherapy, but of the brain tumor itself. Brain tumors can cause increased intracranial pressure by applying pressure to surrounding brain tissue and impairing cerebral blood flow and cerebrospinal fluid drainage.
Choice D reason:
This statement is not an adverse effect of chemotherapy, but of the brain tumor itself. Brain tumors can cause seizures by affecting the function of different areas of the brain and disrupting the electrical activity of neurons.
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