A 37-year-old male has survived a logging accident in which the severing of his femoral artery and consequent blood loss resulted in cardiogenic shock
On recovery, one of the deficits that he finds most frustrating is a significant loss of visual acuity. Which is the most likely rationale for his vision damage?
A)
Decreased cerebral perfusion results in progressive damage to the optic nerve.
B)
Circulatory collapse causes rapid death of retinal neurons.
C)
Lack of oxygen results in a distortion of the fovea.
D)
The visual cortex is susceptible to hypoxic necrosis.
Ans:
B
Feedback:
Acute decreased circulation can result in sight damage from edema and death of retinal neurons. Damage to the optic nerve, the fovea, and the visual center are not likely to be contributing factors.
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