A 4-Week-Old Infant Is Evaluated for Frequent Episodes of Hypoglycemia

question 182

Multiple Choice

A 4-week-old infant is evaluated for frequent episodes of hypoglycemia.  The patient is found to have elevated insulin levels during periods of fasting.  Several members of his family have a similar condition.  Genetic testing reveals a mutation involving potassium channels expressed in pancreatic beta cells.  The mutated channels have a higher sensitivity to the substance that normally modulates their activity, causing increased beta cell secretory activity.  Which of the following substances normally binds to and regulates the ion channels that are responsible for this patient's hypoglycemia?

• A)ATP
• B)Citrate
• C)Fructose-6-phosphate
• D)Fumarate
• E)Glucose
• F)Lactate
• G)Malate
• H)Pyruvate

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Definitions:

Matriarchal Societies

Communities or societies where power and inheritance are passed through the female line, and women hold primary positions of authority.

Egalitarian Societies

Communities or societies that emphasize equality for all members, minimizing hierarchy and differences in wealth, status, and power.

Authoritarian Societies

Societies characterized by strict obedience to authority at the expense of personal freedom.

Gender Roles

Social and behavioral norms that are considered appropriate for individuals of a specific gender within a certain culture.