MRCPUK Endocrinology and Diabetes (Specialty Certificate Examination) - SEND 模擬練習

A 63-year-old woman with diet-controlled type 2 diabetes mellitus was admitted with biventricular cardiac failure. She had a history of myocardial infarction 3 years previously. She was taking aspirin 75 mg daily, simvastatin 20 mg daily, furosemide 40 mg daily and ramipril 10 mg daily. She responded well to increased diuretic therapy.
Urinalysis showed glucose 1+.
Investigations:
haemoglobin112 g/L (115-165)
serum sodium135 mmol/L (137-144)
serum potassium4.7 mmol/L (3.5-4.9)
serum creatinine162 umol/L (60-110)
estimated glomerular filtration rate28 mL/min/1.73 m2 (>60)
serum troponin T<0.01 ug/L (<0.01)
haemoglobin A1c66 mmol/mol (20-42)
What is the most appropriate treatment for her diabetes after discharge?

正解: C
A 62-year-old woman with persistent hypertension attended the clinic for review. She had no previous medical history of note and was taking amlodipine, ramipril, bendroflumethiazide, spironolactone and doxazosin. Her blood pressure was raised at 160/100 mmHg.
Investigations:
serum sodium138 mmol/L (137-144)
serum potassium3.8 mmol/L (3.5-4.9)
A blood test for renin and aldosterone concentration was being considered.
For what minimum period should spironolactone be discontinued before this test?

正解: B
A 59-year-old man with an 8-year history of type 2 diabetes mellitus was seen in the outpatient clinic. He had worsening renal function in the absence of microalbuminuria.
On examination, his blood pressure was 175/90 mmHg. He had a femoral bruit, and absent dorsalis pedis pulses bilaterally.
Investigations:
serum creatinine150 umol/L (60-110)
estimated glomerular filtration rate (MDRD)39 mL/min/1.73m2 (>60)
In addition to addressing his blood pressure, what is the most appropriate next investigation?

正解: A
A 56-year-old man was referred urgently by an ophthalmologist after presenting with a 6month history of deteriorating vision. The patient had a 40 pack-year smoking history. Before his vision problem, he had never visited his general practitioner.
Investigations:
serum cortisol (09.00 h)389 nmol/L (200-700) serum testosterone8.6 nmol/L (9.0-35.0) plasma follicle-stimulating hormone2.1 U/L (1.0-7.0) plasma luteinising hormone2.4 U/L (1.0-10.0) serum prolactin896 mU/L (<360) serum thyroid-stimulating hormone1.4 mU/L (0.4-5.0)
MR scan of pituitarysee image

What is the most likely diagnosis?

正解: E
A 55-year-old man presented with a 3-year history of increasing pain in the right hip. He had been otherwise well and was taking no medication. He was reluctant to consider any intravenous treatment as he had a phobia of needles.
Investigations:
X-ray of hipssclerotic bone in right pubis and ischium
suggestive of Paget's disease
What is the most appropriate oral treatment?

正解: D
An 18-year-old man with cystic fibrosis was referred to clinic. Over recent months his lung function had deteriorated and he had lost weight. He was being treated for a chest infection at the time of the consultation.
Investigations:
oral glucose tolerance test (75 g):
fasting plasma glucose8.2 mmol/L (3.0-6.0)
2-h plasma glucose13.5 mmol/L (<7.8)
What is the most appropriate management?

正解: B
A 28-year-old Asian woman was seen in the joint diabetes-antenatal clinic at 16 weeks' gestation. She gave a history of gestational diabetes during her previous pregnancy. She had a strong family history of diabetes mellitus. She was fit and well, and had no symptoms other than slight early morning sickness.
According to NICE guidance (NG3, February 2015) for management of pregnancy, what is the most appropriate way to screen for gestational diabetes in this woman?

正解: D
A 33-year-old woman presented with tiredness, palpitations, weight loss and emotional
lability 9 weeks after the birth of her third child.
On examination, she had a sinus tachycardia, a fine tremor, slight lid retraction and a mild
diffuse non-tender goitre.
Investigations:
serum thyroid-stimulating hormone<0.01 mU/L (0.4-5.0)
serum free T434.3 pmol/L (10.0-22.0)
technetium-99m scan of thyroid (20-min uptake)<1% (0.4-3.0)
What is the most appropriate treatment?

正解: C
A 56-year-old man attended routine follow-up for treatment of hypogonadism of late onset. His only medication was testosterone undecanoate (1 g intramuscular injection, every 12 weeks). He had started this treatment 12 months previously and last received the injection 1 week before review.
Digital rectal examination was normal.
Investigations (baseline): haemoglobin145 g/L (130-180) haematocrit0.46 (0.40-0.52) serum prostate-specific antigen0.6 ug/L (<4)
Investigations (12 months after treatment):
haemoglobin153 g/L (130-180) haematocrit0.51 (0.40-0.52) serum prostate-specific antigen5.1 ug/L (<4)
What is the most appropriate next step in management?

正解: E