A patient, admitted with syncope, is diagnosed with an 80% stenosis of the left carotid artery. In addition to assessing the patient's speech, the nurse should focus the assessment on the presence or development of
1. monocular blindness and left-sided sensory or motor loss
2. double vision and ataxia
3. monocular blindness and right-sided sensory or motor loss
4. vertigo and cranial nerve palsies
3
Rationale: The first branch of the carotid artery is the ophthalmic artery. Ocular symptoms, such as monocular blindness, can occur. The sensory-motor fibers cross, which means that the sensory and motor deficits will be on the side opposite the stroke, so left-sided sensory or motor loss will not be seen. Double vision, ataxia, vertigo, and cranial nerve palsies are seen with an altered vertebrobasilar circulation.
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