Neurosystems And Brain Combined

MBM 2203


NATIONAL UNIVERISTY OF SCIENCE AND TECHNOLOGY

FACULTY OF MEDICINE

BACHELOR OF MEDICINE AND BACHELOR OF SURGERY DEGREE
PART 2 EXAMINATIONS


MBM 2203 : NEUROSYSTEMS AND BRAIN (A & P)

DATE : DECEMBER 2006

TIME : 3 HOURS


Instructions to Candidates

Answer all questions


SECTION A (40 MARKS)


1. Write an essay on the arteries of the central nervous system that is the brain and
the spinal cord. (note form accepted) (20)

2. Using short notes and annotated diagrams, describe pain modulation at the
spinal level. (20)


SECTION B (60 MARKS)

3. a) Describe chemo and auto regulation of cerebral blood flow. (4)
b) Complete the equation
Systemic BP - ____?______
Cerebral blood flow= Cerebral vascular resistance. (1)

4. a) Describe the positional changes of the developing spinal cord. (2,5)
b) Briefly compare and contrast the final exit of spinal nerves from the
vertebral column in the cervical and lumbosacral regions. (2,5)

5. Fig 1 shows a cross-section of the lumbar spinal grey matter. The left shows
the laminae of Rexed and the right some of the principal cells; inter neurons and
their connections.




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