Multiple Choice Questions · Q6
Q.If parathyroid glands of a man are removed, the specific result will be ------
(a) onset of aging
(b) disturbance of Ca++
(c) onset of myxoedema
(d) elevation of blood pressure
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Start your 14-day free trial to unlock the full solution →Removing the parathyroids removes the source of parathormone, so blood calcium regulation is disturbed.
The parathyroid glands secrete parathormone (PTH), which is the main hormone raising and maintaining blood calcium level.
Step 1. Removing the parathyroids stops PTH secretion, so blood calcium can no longer be mobilised from bone, absorbed efficiently from the gut, or conserved by the kidney -- blood Ca++ falls and calcium regulation is disturbed (potentially leading to hypocalcaemic tetany).
Step 2. Eliminate 'onset of aging' -- PTH loss is not linked to generalised aging. …
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