06-01-2010, 08:08 PM
A 46-year-old man is found by his wife unresponsive on
the floor. She immediately calls 911. An interview with the
wife by Emergency Medical Services reveals that her husband
has complained of a headache for several months
now, and that she has noticed some changes in his memory.
However, despite her requests, he refused to see a
physician. Physical examination reveals left-sided pupillary
dilation. Which of the following might a CT scan of the
head reveal?
A. An infarct of the patient™s right cerebral hemisphere
in the distribution of the right middle cerebral artery
B. An infarct of the patient™s left cerebral hemisphere in
the distribution of the left anterior cerebral artery
C. An infarct of the patient™s left cerebral hemisphere in
the distribution of the left posterior cerebral artery
D. An infarct of the left olivary nucleus in the medulla
the floor. She immediately calls 911. An interview with the
wife by Emergency Medical Services reveals that her husband
has complained of a headache for several months
now, and that she has noticed some changes in his memory.
However, despite her requests, he refused to see a
physician. Physical examination reveals left-sided pupillary
dilation. Which of the following might a CT scan of the
head reveal?
A. An infarct of the patient™s right cerebral hemisphere
in the distribution of the right middle cerebral artery
B. An infarct of the patient™s left cerebral hemisphere in
the distribution of the left anterior cerebral artery
C. An infarct of the patient™s left cerebral hemisphere in
the distribution of the left posterior cerebral artery
D. An infarct of the left olivary nucleus in the medulla