Neuronal and Hormonal Communication Exam Questions

Question 1

Outline the ways in which the structures of a sensory neurone and a motor neurone
are similar (5 MARKS)

Answer 1

both sensory and motor neurones have 
an axon
a cell body with a nucleus
dendrites
a myelin sheath
voltage gated ion channels

Question 2

Fever is accompanied by sweating.

Explain the effect that this sweating will have on the body (2 MARKS)

Answer 2

• evaporation has a cooling effect on the body
• heat energy for evaporation if provided by body
• water has a high specific latent heat of evaporation