A patient with cerebral ischemia has signs and symptoms of right homonymous hemianopia and inability to move the right arm.
This is indicative of increased intracranial pressure that is most probably due to a lesion in the:
Left extrapyramidal tract.
Right cerebral hemisphere.
Cerebellum.
Left cerebral hemisphere.
The Correct Answer is D
Choice A rationale
The left extrapyramidal tract is involved in motor control, but lesions here would not cause right homonymous hemianopia or inability to move the right arm. These symptoms are more indicative of a lesion in the cerebral hemisphere.
Choice B rationale
A lesion in the right cerebral hemisphere would cause left-sided symptoms, not right-sided. The patient’s symptoms are indicative of a lesion in the left cerebral hemisphere.
Choice C rationale
The cerebellum is involved in coordination and balance, not in causing right homonymous hemianopia or inability to move the right arm. These symptoms are more indicative of a lesion in the cerebral hemisphere.
Choice D rationale
A lesion in the left cerebral hemisphere can cause right homonymous hemianopia and inability to move the right arm. This is because the left hemisphere controls the right side of the body and processes visual information from the right visual field.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Wearing an N95 mask is appropriate for airborne precautions, such as tuberculosis, but not specifically for MRSA, which requires contact precautions.
Choice B rationale
Wearing a facemask is suitable for droplet precautions, such as influenza, but MRSA is primarily spread through direct contact, not droplets.
Choice C rationale
Using a separate disposable blood pressure cuff for patients with draining wounds helps prevent the spread of MRSA. MRSA can be transmitted via contaminated medical equipment.
Choice D rationale
Strict hand washing measures are essential but should be performed more frequently than once every 8-hour shift. Hand hygiene should be practiced before and after patient contact.
Correct Answer is A
Explanation
Choice A rationale
A temperature of 38°C (100.4°F) and a stiff neck are classic signs of meningitis, indicating inflammation of the meninges.
Choice B rationale
Myocardial infarction typically presents with chest pain, not a stiff neck.
Choice C rationale
Appendicitis presents with abdominal pain, not a stiff neck.
Choice D rationale
Pneumonia presents with respiratory symptoms, not a stiff neck.
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