Which laboratory finding indicates to the nurse that a patient has an impaired fasting glucose (IFG)?
A) Increased insulin and decreased glucagon levels two hours after fasting
B) An blood glucose level 2 hours after an oral glucose tolerance test that is high but not diagnostic of diabetes
C) A fasting blood glucose level is diagnostic for diabetes
D) A fasting blood glucose level or A1c higher than normal but not diagnostic for diabetes
D) A fasting blood glucose level or A1c higher than normal but not diagnostic for diabetes
Explanation: A) Impaired fasting glucose (IFG) is a condition in which the fasting blood glucose level or hemoglobin A1C (a measure of glucose control over the previous 3 months) is higher than normal but not diagnostic of diabetes mellitus. Impaired glucose tolerance (IGT) is a condition in which the blood glucose level 2 hours after an oral glucose load (during an oral glucose tolerance test [OGTT]) is higher than normal but not diagnostic of diabetes mellitus.
B) Impaired fasting glucose (IFG) is a condition in which the fasting blood glucose level or hemoglobin A1C (a measure of glucose control over the previous 3 months) is higher than normal but not diagnostic of diabetes mellitus. Impaired glucose tolerance (IGT) is a condition in which the blood glucose level 2 hours after an oral glucose load (during an oral glucose tolerance test [OGTT]) is higher than normal but not diagnostic of diabetes mellitus.
C) Impaired fasting glucose (IFG) is a condition in which the fasting blood glucose level or hemoglobin A1C (a measure of glucose control over the previous 3 months) is higher than normal but not diagnostic of diabetes mellitus. Impaired glucose tolerance (IGT) is a condition in which the blood glucose level 2 hours after an oral glucose load (during an oral glucose tolerance test [OGTT]) is higher than normal but not diagnostic of diabetes mellitus.
D) Impaired fasting glucose (IFG) is a condition in which the fasting blood glucose level or hemoglobin A1C (a measure of glucose control over the previous 3 months) is higher than normal but not diagnostic of diabetes mellitus. Impaired glucose tolerance (IGT) is a condition in which the blood glucose level 2 hours after an oral glucose load (during an oral glucose tolerance test [OGTT]) is higher than normal but not diagnostic of diabetes mellitus.
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