August 2006
Section A (Short answer questions)
Answer TWO questions from this section. Each answer is worth 10% of the total mark.
1. Draw a side view of the human brain, and label the main anatomical features.
2. Use a labelled diagram to show how a drug may mimic the action of a neurotransmitter AND how a drug may block a neurotransmitter.
3. Draw an annotated diagram of a typical neuron, labelling the major anatomical features.
4. Draw a detailed diagram showing the structures involved in the transmission of impulses between neurons.
Section B (short answer questions)
Answer TWO questions from this Section. Each answer is worth 10% of the final mark
1. What distinguishes the metabolic requirements of the brain when compared to other organs?
2. Briefly describe the genotype and the phenotype, using the relations between the two to help your description.
3. Why do human beings have emotions?
4. Which part of the human brain is the youngest evolutionarily? What are its main functions?
Section C (Essay questions)
Answer TWO questions from this Section. Each answer is worth 30% of the final mark
1. Compare and contrast forebrain and midbrain functions.
2. Describe and discuss physiological explanations of why we start to eat and why we stop. How do disturbances in these functions occur, and what are their consequences?
3. Does experience shape the brain or does the brain shape experience?
4. Explain the role of the pleasure centres in human behaviour, including the part they play in drug addiction.
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