Endocrinology 5

A 63-year-old woman has a 2 month history of fatigue and weakness. She now has the sudden onset of palpitations. Electrocardiography shows new atrial fibrillation. Which of the following is the most likely diagnosis?

Over a period of 3 months, a 56-year-old woman has developed bilateral carpal tunnel syndrome. Which of the following laboratory diagnostic tests should be ordered?

Lithium therapy is to be initiated in a 32-year-old woman in treatment of bipolar disorder. Which of the following is appropriate counseling concerning the medication?

A 22-year-old insulin dependent diabetic presents with profound weakness. History reveals that for the past week he has had fever and a productive cough. For the past 2 days he has noted excessive thirst and frequent urination. Blood pressure is 80/60 mmHg (right arm, supine); pulse is 120 bpm (regular), respirations are 28 breaths/min (deep and slightly labored), temperature is 99.0 degrees F (oral). Exam reveals an acutely ill man with a fruity breath odor. An accucheck glucometer reading measures 580 mg/dL. Arterial blood gas reveals metabolic acidosis. Which of the following results would you also expect to find?

A 22-year-old woman has a 2 week history of marked polydipsia and polyuria without associated weight loss. Serum sodium is 156 mEq/L. Fasting plasma glucose level is 78 mg/dL. Which of the following is the most likely diagnosis?

What electrolyte disorder is suspected in a patient with carpopedal spasm and known Vitamin D deficiency?

A 71-year-old man who has type 2 diabetes mellitus has a 2 month history of worsening pain with tingling in his toes and feet. Diabetic peripheral neuropathy is diagnosed. Which of the following is the least likely sign to be noted on examination?

Which of the following classes of medications must be held in patients undergoing cardiac catheterization?

A 36-year-old male has been complaining of insomnia, visual difficulties, hand tremors, and increased sweating for 1 year. Today he presents to the emergency department tremulous and tachycardic. He states he is always hungry and eats regularly but you note that he has lost eight pounds in the last six months. Vital signs are BP: 138/76 mmHg; P: 96 beats/minute, regular; R: 12 breaths/minute; nonlabored. He is afebrile. Your physical examination is significant for lid lag and hyperreflexia. Which of the following is the most likely cause of his condition?

Your patient is an insulin-dependent diabetic who checks her blood glucose levels at home and recently noticed that her fasting levels have been high and that she has also has been experiencing night sweats and early morning headaches. Last night, during one of these sweats, she checked her blood glucose level and it was 50 mg/dL. Which of the following is the cause of her fasting hyperglycemia?

A 66-year-old woman has the acute onset of palpitations. Electrocardiography shows new atrial fibrillation. Which of the following is most closely associated with atrial fibrillation?

A 17-year-old female presents with recent weight loss, thinning of her hair, nervousness and heat intolerance. On exam she has a resting heart rate of 100/min, a fine tremor of her outstretched hands and a smooth, nontender, diffusely enlarged thyroid gland. Which of the following tests would provide the most specific information regarding the etiology of her disease?

A 66-year-old woman with type 2 diabetes mellitus has dizziness upon arising from bed. Sitting blood pressure is 120/74 mm Hg with pulse rate 70/min. Standing blood pressure is 92/58 mm Hg with pulse rate 72/min. Which of the following is the mechanism that is causing the orthostatic hypotension?

A 27-year-old Type I diabetic walks into your office with multiple complaints including dizziness and confusion. His blood sugar is 56mg/dL. Which of the following is the treatment of choice for this patient’s hypoglycemia?

A 26-year-old man has had 3 episodes of severe, acute pancreatitis in the past 6 months. Which of the following is the most likely cause?

Which of the following features is seen most consistently in osteoporosis?

A surgical scar on the neck may indicate which etiology of hypocalcemia?

Which of the following is a maternal risk factor for developing gestational diabetes mellitus?

Management of acute coma may include all of the following except:

Which of the following is the most appropriate test to confirm the diagnosis of gestational diabetes?

Which of the following is the best diagnostic tool for evaluating thyroid nodule?

Which of the following laboratory or physical findings is characteristic of hyperparathyroidism?

All of the following patients require special consideration when giving thyroid replacement therapy except?

An elderly, homebound person had a 3-year history of progressively increasing diffuse skeletal pain, generalized muscle weakness, and antalgic gait. The medical history is significant for multiple fractures with little trauma. The most likely diagnosis is:

In Addison’s disease, which of the following causes an inability to withstand stressors (trauma, surgery, infection)?

The main cause of type 1 diabetes mellitus abnormalities is:

Which of the following is NOT a proactive approach to the prevention of osteoporosis?

The diagnosis of SIADH is suggested by which of the following?

A 52-year-old African-American woman with a history of sickle cell disease and sarcoidosis presents with extreme thirst and polyuria. The patient has low blood pressure and signs of dehydration. A 24-hour urine collection is 12 L. Long-term therapy of this condition includes:

Which of the following is the best initial screening test for hyperthyroidism?