Archives: Medical Student Finals

MSFinals-0953

A 30-year-old man has been diagnosed with Addison’s disease after presenting with symptoms of fatigue, weakness, gastrointestinal upset, and skin hyperpigmentation. Which adrenal hormone deficiency is typically responsible for the loss of sodium and water in Addison’s disease?

MSFinals-0955

A 14-year-old girl (who has been recently diagnosed with anorexia nervosa) exercises regularly. During one period of exercise, she becomes very light-headed. Several minutes later, she breaks into a sweat and develops palpitations. A friend takes her to an Emergency Department where a serum glucose of 2.2 mmol/l is demonstrated. The patient is given a soft drink to sip and feels better half an hour later.
Which of the following hormones most likely triggered the sweating and palpitations the patient experienced?

MSFinals-0956

A 35-year-old female presents with symptoms of weight loss and irritability. Upon conducting thyroid function tests, the results reveal a Free T4 level of 32.9 pmol/L (9.8-23.1), TSH level of <0.02 mU/L (0.35-5.50), and Free T3 level of 11.1 pmol/L (3.5-6.5). During examination, the patient exhibits a fine tremor, pulse of 95 beats per minute, a smooth goitre with a bruit, and lid lag without any other eye signs. What is the most likely cause for these thyroid function test results?

MSFinals-0957

A 14-year-old boy is suspected of suffering from insulin-dependent diabetes. He undergoes a glucose tolerance test following an overnight fast.
Which of the following results would most likely confirm the diagnosis?

MSFinals-0958

With which condition are hyperparathyroidism and phaeochromocytoma commonly associated?

MSFinals-0959

A 61-year-old man is undergoing assessment for a thyroid nodule. An ultrasound shows a solitary nodule measuring 1.5 cm in the left lower lobe. Fine-needle aspiration reveals hypochromatic empty nuclei without nucleoli and psammoma bodies.
What is the most probable diagnosis?

MSFinals-0960

A 20-year-old female comes to the clinic complaining of secondary amenorrhoea for the past six months. She recently experienced moderate vaginal bleeding and abdominal pain. Additionally, she has gained around 14 pounds in weight during this time. What is the probable diagnosis?

MSFinals-0961

A 35-year-old woman arrives at the labour ward in active labour. She is experiencing regular contractions, sweating heavily, and in significant pain.
What hormone is responsible for her contractions?