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Which of the following is an absolute indication in treating subclinical hypothyroidism?
What is the first line agent for treatment of Hyperthyroidism in pregnancy after first trimester?
What is the main reason for the deterioration in glycemic control over time as seen in patients with type 2 diabetes mellitus?
Which of the following decreases the level of Adiponectin?
Which of the following mutation is the most common monogenetic cause for human obesity?
What is the main function of Leptin?
Which of the following hormone is an appetite stimulant?
Which of the following is the most effective treatment for morbid obesity?
The most important known factor which influences the rate of development of microvascular complications in patients with diabetes is:
After eating a meal containing a large amount of fat, which hormone level changes to cause a feeling of satiety?
An 20-year-old woman presents with hirsutism. The following results are obtained:
What is the most likely explanation for her hirsutism?
40-year-old woman with primary hypothyroidism is admitted to hospital with profound lethargy and marked postural hypotension.
Blood investigations show:
Which of the following should you avoid doing?
A 72-year-old male has been in intensive care for ten days following an episode of urinary tract sepsis. He has a persistent low grade fever. He has a white cell count of 14.1 x 109/L [4.0-10.0], serum sodium is 128 mmol/L [134-145], and potassium is 5.0 mmol/L [3.5-5.0]. He has been weaned from mechanical ventilation, his renal function is normal and his delirium has cleared. His urine is sterile. His ECG demonstrates a left bundle branch block. A synthetic adrenocorticotrophic hormone (ACTH) stimulation test demonstrates baseline cortisol of 350 nmol/L which rises to 400 nmol/L at 30 minutes. He has been on noradrenaline at doses of 0.08 μg/kg/minute to 0.16 μg/kg/minute. Each attempt to cease the noradrenaline has led to hypotension associated with oliguria and obtundation.
What is the most appropriate treatment?
The most common long-term complication of cranial irradiation is?
A 63-year-old woman presents with weight gain, reduced energy and depression, five years after pituitary surgery and radiotherapy for a non-functioning pituitary adenoma. Current medications are thyroxine 0.15 mg/day, hydrocortisone 20 mg/day (equivalent to cortisone acetate 25 mg/day) in divided doses, conjugated oestrogen 0.625 mg/day, medroxyprogesterone 2.5 mg/day, and fluoxetine 20 mg/day.
Examination is unremarkable except for truncal obesity. Her body mass index (BMI) is 30 kg/m2 [20-25] and her blood pressure is 145/85 mmHg.
Why did she gain weight?
A 78-year-old woman has a history of hypertension on amlodipine, and has been found to have a persistently elevated platelet count for several months. She presents to the emergency department with abdominal pain.
Her full blood examination and serum biochemistry are as follows:
What is most likely cause for her elevated serum potassium?
A 63-year-old man presents with streaky haemoptysis, fatigue and weight loss of 6 kg. He has had no previous serious illness but admits to having been a heavy smoker for over 38 years. Physical examination reveals normal mental status and no evidence of organ failure. He is clinically euvolaemic and is on no medication.
Investigations are as follows.
The most appropriate initial therapy is:
This medication induces weight loss when used in patient with type 2 diabetes mellitus
Which of the following sulphonylurea drug is the most suitable for use in the elderly population?
In a patient with an adrenal incidentaloma, what is the best test to exclude subclinical Cushing’s?
The most common cause of ambiguous genitalia is:
Aldosterone is secreted from which site of the adrenal gland?
The most frequent clinical feature due to insulin resistance in obese female children and adolescents with type 2 diabetes is:
In addition to decreased gastrointestinal calcium absorption, in what other mechanism does prednisone cause net bone loss in a 60-year-old man?
In addition to stimulation of gluconeogenesis, in what other mechanism does prednisone cause hyperglycemia in a 40- year-old woman?
A 25-year-old has adrenocorticotrophic hormone -dependent Cushing’s Syndrome. MRI scan of his pituitary shows an 2mm adenoma.
Which of the following is the most appropriate management?
A 30 year old female with background of hypothyroidism becomes pregnant and is currently on Thyroxine 50mcg po od.
She is currently asymptomatic.
Her TSH is 10 [0.5 to 4.5 mU per L], and T4 is normal.
What should you do with her thyroxine dose?
A 45-year-old man is referred with hypercalcaemia which is known to have been present for at least six months, during which time it has been stable. He is asymptomatic and has no past medical history.
Recent investigations are as follows:
Which investigation is most likely to be diagnostically useful?
Which of the following mechanism is not consistent with steroid induced osteoporosis?