Sun28November0440PM 13

True / False

Occurs in Whipple's triad Incorrect answer selected

Is associated with elevated C-peptide levels when precipitated by exogenous insulin injections Correct

Is usually caused by insulin secreting tumours Correct

Increase the release of prolactin and antidiuretic hormone Correct

Can be prevented by beta blocking drugs Correct

Explanation

Hypoglycaemia is more commonly noted in association with drug therapy (oral hypoglycaemic agents) or sepsis rather than insulinomas.

Whipple's triad is hypoglycaemia associated with the typical symptoms during fasting or exercise, and relief with glucose administration.

Hypoglycaemia is associated with an increase in counterregulatory hormones which include:

glucagon

epinephrine

norepinephrine

cortisol

growth hormone

prolactin, and

antidiuretic hormone.

Epinephrine contributes to the tachycardia and sweating associated with hypoglycaemic attacks.

Hypoglycaemia is associated with reduced C-peptide levels when precipitated by exogenous insulin injections (not elevated). Beta blockers may mask the symptoms of a hypoglycaemic episode.

Answer Statistics

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Average score: 69.01%

Times answered: 262