Neurosurgery Quiz 1
(August 2002)

Disclaimer
The Neurosurgery Quiz (NSQ) is intended only for medical students and neurosurgeons and neurosurgery trainees as an educational tool. Medical information is ever changing and information on these pages should not be used for patient management purposes.

1. Typical CT and MRI appearances of the low grade glioma are: (Which of the statements below are correct)

a: On CT: low-density non-enhancing
b: On CT low-density enhancing
c: On T1-MRI: low-signal non-enhancing
d: On T1-MRI: high-signal non-enhancing
e: On T2-MRI: high signal
f: On T2-MRI: low signal

b, c and d
a, c and e
b, d and e

2. Median survival for Low Grade Glioma is 4-7 years:
True
False

3. A poor prognostic factor relating to the survival from low grade glioma is age < 40 years:
True
False

4. Definition of coma is: ''inability to obey commands, utter words, open eyes''
True
False

5. In a conscious head-injured patient by how many folds does presence of a linear vault fracture increase the incidence of intracranial haematoma?
100
400
800

6. In a comatose head-injured patient by how many folds does presence of a linear vault fracture increase the incidence of intracranial haematoma?
10
20
50

7. What is Frankfurt plane:
lower border of the orbit and lower border of the external acoustic meatus in a horizontal plane
upper border of the orbit and upper border of the external acoustic meatus in a horizontal plane
lower border of the orbit and upper border of the external acoustic meatus in a horizontal plane

8. Up to 48% of the patients with shunt infection could present without fever:
True
False

9. Up to 30% of patients in who cerebrospinal fluid culture was positive had negative gram stain:
True
False

10. Which year was the Royal college of Surgeons of Edinburgh (RCSEd) founded?
1905
1705
1505

Explanations