A previously healthy 50-year old man undergoes elective right hemicolectomy for a Dukes A Cancer of the cecum. His postoperative ileus is somewhat prolonged, the fifth postoperative day his nasogastric tube is still in place. Physical examination reveals diminished skin turgor, dry mucous membranes, amd orthostatic hypotension. Pertinent laboratory values are as follow.
31. Straight Leg Raising(SLR) Test is an important sign in lumbar disc herniation patients, which is considered the sign positive in the following items?
A. the leg is raised less than 600 when radiating sciatica occurs
B. the leg is raised less than 700 when radiating sciatica occurs.
C. the leg is raised less than 500 when radiating sciatica occurs.
D. the leg can not be raised more than 600 , but no radiating sciatica occurs.
32、.When we find the sign of weakness of extensor hallucis longus muscle(great toe extensor) in lumbar disc herniation patients, which nerve root is most possibly affected.
A. L4 nerve root B. L3 nerve root C. L5 nerve root D. S1 nerve root