Physiology MCQs – Endocrine Physiology [MBBS]

MBBS FIRST PROFESSIONAL PART-I EXAMINATION [2015] Physiology (MCQs) – Endocrine Physiology MODEL QUESTIONS   1. The concentration of ionized calcium in plasma is A. The main regulator of parathormone secretion. B. Less than the free ionized calcium concentration in intracellular fluid. C. About 50 per cent of the total plasma calcium concentration. D. Reduced when […]

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MCQs – Endocrine Physiology [MBBS] [With Answers]

MBBS FIRST PROFESSIONAL PART-I EXAMINATION [2015] Physiology (MCQs) – Endocrine Physiology MODEL QUESTIONS 1. Aldosterone secretion is increased by an increase in plasma A. Volume. B. Osmolality C. Potassium concentration. D. Renin concentration. E. ACTH concentration. ANSWERS A. False B. False C. True D. True E. True   2. Glucocorticoid injections lead to increases in […]

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Physiology MCQ – Growth hormone Hyposecretion [Endocrine]

Question: Atrophy of growth hormone-secreting cells during childhood is associated with: a. Goiter b. Gigantism c. Dwarfism d. Cretinism e. None of the above Answer a. Incorrect b. Incorrect c. Correct d. Incorrect e. Incorrect Ans. C REVISION NOTES: a. Goiter has to do iodine deficiency b. Gigantism results from overproduction of growth hormone during […]

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Physiology MCQ – Growth Hormone [Endocrine]

Question: Hyperplasia of growth hormone-secreting cells in the anterior pituitary is associated with: a. Thyroid hyper-function b. Altered phosphate homeostasis c. Acromegaly d. Goiter e. Type-I diabetes Answer a. Incorrect b. Incorrect c. Correct d. Incorrect e. Incorrect Ans. C REVISION NOTES: a. Thyroid hyperfunction would result from hyperplasia of TSH-secreting cells, not GH-secreting cells […]

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Physiology MCQ – Posterior Pituitary I [Endocrine]

Question: All of the following are characteristics of the hypothalamic neurons that supply the posterior pituitary EXCEPT: a. They are supported by pituicytes b. They release either vasopressin (ADH) or oxytocin c. Their axons contain accumulations of secretory granules known as Herring bodies d. They synapse directly on their target cells e. They release their […]

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Physiology MCQ – Posterior Pituitary [Endocrine]

Question: The hypothalamic neurons that supply the posterior pituitary a. Release either ACTH or growth hormone b. Synapse directly on their target cells c. Contain neurosecretory granules that accumulate in axon swellings d. Release their hormones into the hypophyseal portal blood system e. None of the above Answer a. Incorrect b. Incorrect c. Correct d. […]

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