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  • Question 1 - Which of the following will be a seen in a patient with a...

    Correct

    • Which of the following will be a seen in a patient with a plasma thyroid-stimulating hormone (TSH) level of 14 mU/l (normal < 5 mU/l) and a low T3 resin uptake of 19% (normal 25–35%)?

      Your Answer: Periorbital swelling and lethargy

      Explanation:

      Low T3 resin uptake combined with raised TSH is indicative of hypothyroidism. Signs and symptoms include dull expression, facial puffiness, lethargy, periorbital swelling due to infiltration with mucopolysaccharides, bradycardia and cold intolerance. Anxiety, palpitations, tachycardia, raised body temperature, heat intolerance and weight loss are all seen in hyperthyroidism.

    • This question is part of the following fields:

      • Endocrinology
      • Physiology
      85
      Seconds

  • Question 2 - Which of the following is likely to induce secretion of glucagon? ...

    Correct

    • Which of the following is likely to induce secretion of glucagon?

      Your Answer: Low serum concentration of glucose

      Explanation:

      The most potent stimulus for secretion of glucagon is hypoglycaemia whereas hyperglycaemia is a stimulus for insulin release. Glucagon secretion also occurs in response to high levels of amino acids. Somatostatin inhibits glucagon secretion. Parasympathetic stimulation increases pancreatic acinar secretion, but not of α-cells.

    • This question is part of the following fields:

      • Endocrinology
      • Physiology
      12.7
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Endocrinology (2/2) 100%
Physiology (2/2) 100%
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