Which classification of diabetes mellitus is not related to insulin deficiency or resistance, but rather results from genetic mutations affecting the function of specific genes involved in beta cell function?
Type 1 diabetes mellitus.
Type 2 diabetes mellitus.
Maturity-onset diabetes of the young (MODY).
Gestational diabetes mellitus.
The Correct Answer is C
MODY is a rare form of diabetes caused by genetic mutations affecting beta cell function. It is not primarily related to insulin deficiency or resistance.
Incorrect choices:
a. This choice is incorrect. Type 1 diabetes mellitus involves autoimmune destruction of beta cells and insulin deficiency.
b. This choice is incorrect. Type 2 diabetes mellitus involves insulin resistance and relative insulin deficiency.
d. This choice is incorrect. Gestational diabetes mellitus occurs during pregnancy due to hormonal changes and is not primarily caused by genetic mutations.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A fasting blood glucose level of 100 to 125 mg/dL is considered indicative of prediabetes, which is a condition where blood glucose levels are higher than normal but not high enough to be classified as diabetes.
Incorrect choices:
a. This choice is incorrect. A fasting blood glucose level of 70 mg/dL is within the normal range.
c. This choice is incorrect. A random blood glucose level of 150 mg/dL indicates hyperglycemia, but it is not indicative of prediabetes.
d. This choice is incorrect. An hemoglobin A1c level of 6.5% or higher is diagnostic of diabetes mellitus, not prediabetes.
Correct Answer is D
Explanation
Gestational diabetes mellitus (GDM) is a type of diabetes that develops during pregnancy and is characterized by high blood glucose levels. It usually resolves after childbirth but increases the risk of developing type 2 diabetes in the future.
Incorrect choices:
a. This choice is incorrect. GDM typically resolves after childbirth, not after.
b. This choice is incorrect. GDM is not a rare condition; it affects a significant percentage of pregnant women.
c. This choice is incorrect. Women with GDM have an increased risk of developing type 2 diabetes, not type 1 diabetes, later in life.
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