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 A
Explanation
Choice A rationale
Meningococcal meningitis can present with a high fever (39°C or 102.2°F) and a rash, indicating a severe bacterial infection.
Choice B rationale
Urinary tract infections typically present with urinary symptoms, not a rash.
Choice C rationale
Gastroenteritis presents with gastrointestinal symptoms, not a rash.
Choice D rationale
Osteoarthritis is a degenerative joint disease and does not cause fever or rash.
Correct Answer is A
Explanation
Choice A rationale
The absence of burning epigastric pain after eating indicates that the treatment for peptic ulcer disease (PUD) secondary to H. pylori has been effective. This suggests that the ulcer has healed and the inflammation has subsided.
Choice B rationale
Coffee-ground emesis indicates the presence of blood in the vomit, which suggests ongoing bleeding and is not a sign of effective treatment for PUD.
Choice C rationale
A decrease in alcohol intake is beneficial for overall health but does not directly indicate the effectiveness of treatment for PUD secondary to H. pylori.
Choice D rationale
Normalization of hemoglobin levels is important but does not specifically indicate the effectiveness of treatment for PUD secondary to H. pylori. The primary indicator would be the resolution of symptoms such as burning epigastric pain.
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