A 68-year-old man comes to the physician because of a 5-week history of fatigue, difficulty concentrating, increased appetite, and an increased need for sleep; he has had a 2.0kg (4.4-lb) weight gain during this period. He reports not attending church for the past 4 weeks because he has been tired. He has a 11-year history of type 2 diabetes mellitus well controlled with diet and glyburide therapy. Over the past 2 years, his blood glucose concentrations had been within the reference ranges. He drinks 1 to 2 beers on the weekends and doesn't use illicit drugs. Physical and neurologic examinations show no changes. He makes poor eye contact and has a restricted affect. His serum glucose is 210 mg/dL and HbA1c is 10%. His CBC and metabolic profile are within reference ranges. Which of the following is the most likely cause of this patient's current lack of glycemic control?
a.) Sleep Apnea
b.) Delirium
c.) Multi-infarct (vascular) dementia
d.) Adjustment reaction with depressed mood
e.) Dementia, Alzheimer type
f.) Major depressive disorder
g.) Schizophrenia
a.) Sleep Apnea
b.) Delirium
c.) Multi-infarct (vascular) dementia
d.) Adjustment reaction with depressed mood
e.) Dementia, Alzheimer type
f.) Major depressive disorder
g.) Schizophrenia