NEUROSURGERY PRACTICE QUESTIONS AND ANSWERS
Second Edition
,Content
Foreword viii
Preface ix
Questions 1
Answers 168
vii
, Questions
1. Regarding the pathophysiology of myasthenia gravis, what is/are the possible
mechanisms by which acetylcholine receptor antibodies interfere with neuro-
muscular transmission?
A. Binding to the acetylcholine receptor and blocking the binding of
acetylcholine
B. Cross-linking acetylcholine receptors, thereby increasing their rate of
internalization
C. Binding of complement resulting in destruction of the muscle end plate
D. All of the above
E. None of the above
2. All of the following statements are correct regarding the medial lemniscus
EXCEPT:
A. Near the sensory decussation, its blood supply comes from the anterior spinal
artery.
B. The medial lemniscus can be found in close proximity to the anterolateral
tract in the medulla. Its somatotopy in the pons is such that leg fibers are
lateral to arm fibers.
C. The fibers of the medial lemniscus arise from the cuneate and gracile nuclei.
D. Brainstem lesions involving medial lemniscus fibers usually include adjacent
structures, resulting in motor and sensory losses.
E. None of the above statements are correct.
1
, 2 Neurosurgery Practice Questions and Answers
3. All the following findings are associated with the abnormality seen on the scan
shown here EXCEPT:
A. Ankylosing spondylitis
B. Positive FABER test
C. Positive thigh thrust
D. Pain upon internal rotation of the hip
E. Positive thigh compression text
4. Which of the following lines at the craniocervical junction extends from the ba-
sion to the opisthion?
A. McRae’s line
B. McGregor’s line
C. Chamberlain’s line
D. Wackenheim’s line
E. Anterior marginal line
5. The somatotopic arrangement in the ventral horn is such that the
A. flexors are dorsal to extensors and limbs are medial to trunk.
B. extensors are dorsal to flexors and limbs are medial to trunk.
C. flexors are dorsal to extensors and limbs are lateral to trunk.
D. extensors are dorsal to flexors and limbs are lateral to trunk.
E. None of the above
Second Edition
,Content
Foreword viii
Preface ix
Questions 1
Answers 168
vii
, Questions
1. Regarding the pathophysiology of myasthenia gravis, what is/are the possible
mechanisms by which acetylcholine receptor antibodies interfere with neuro-
muscular transmission?
A. Binding to the acetylcholine receptor and blocking the binding of
acetylcholine
B. Cross-linking acetylcholine receptors, thereby increasing their rate of
internalization
C. Binding of complement resulting in destruction of the muscle end plate
D. All of the above
E. None of the above
2. All of the following statements are correct regarding the medial lemniscus
EXCEPT:
A. Near the sensory decussation, its blood supply comes from the anterior spinal
artery.
B. The medial lemniscus can be found in close proximity to the anterolateral
tract in the medulla. Its somatotopy in the pons is such that leg fibers are
lateral to arm fibers.
C. The fibers of the medial lemniscus arise from the cuneate and gracile nuclei.
D. Brainstem lesions involving medial lemniscus fibers usually include adjacent
structures, resulting in motor and sensory losses.
E. None of the above statements are correct.
1
, 2 Neurosurgery Practice Questions and Answers
3. All the following findings are associated with the abnormality seen on the scan
shown here EXCEPT:
A. Ankylosing spondylitis
B. Positive FABER test
C. Positive thigh thrust
D. Pain upon internal rotation of the hip
E. Positive thigh compression text
4. Which of the following lines at the craniocervical junction extends from the ba-
sion to the opisthion?
A. McRae’s line
B. McGregor’s line
C. Chamberlain’s line
D. Wackenheim’s line
E. Anterior marginal line
5. The somatotopic arrangement in the ventral horn is such that the
A. flexors are dorsal to extensors and limbs are medial to trunk.
B. extensors are dorsal to flexors and limbs are medial to trunk.
C. flexors are dorsal to extensors and limbs are lateral to trunk.
D. extensors are dorsal to flexors and limbs are lateral to trunk.
E. None of the above
