Question 4

Describe the body’s mechanisms for regulating blood glucose.

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College Answer

This question sought a candidate’s knowledge of the basic science underpinning a topical
area of clinical Intensive Care practice. Candidates were expected to mention normal values
of blood glucose and detail the relevant humoral (dominant) and neural (sympathetic) factors.
These included mention of, description of and mechanisms for the stimulation/inhibition and
actions of humoral factors such as insulin, glucagon, cortisol, etc as the specifically apply to
blood glucose control, neural stimulation and the liver’s role as a glucostatic organ.
Good candidates would demonstrate a structured response to their answer.
Syllabus - N12b
Reference: Textbook of Medical Physiology 11th ed Guyton and Hall, Ch. 78