Medical MCQs

5099 MCQs  (Page 447 of 510)

The primary effect of calcitonin is__________________?
A. Bone deposition
B. Bone resorption
C. Increases intestinal absorption of calcium
D. Decreases intestinal absorption of calcium
Adrenaline used for controlling of bleeding during surgery may result in________________?
A. Syncope
B. Cardiac arrhythmias
C. Drastic fall in blood pressure
D. Precipitation of allergic reaction
Posterior pituitary insufficiency leads to______________?
A. Diabetes mellitus
B. Diabetes insipidus
C. Dwarfism
D. Cretinism
Which of the following results due to excessive parathormone secretion_______________?
A. Increased excretion of phosphates
B. Increased serum calcium
C. Decrease excretion of calcium
D. Increase excretion of calcium
A phaeochromocytoma is a tumour of the____________?
A. Adrenal cortex
B. Parathyroids
C. Pituitary
D. None of the above
Aldosterone______________?
A. Increases reabsorption of sodium
B. Increases exceretion of potassium
C. Increases retention of sodium
D. Both ‘a’ and ‘b’
Vasopressin is synthesized in the_____________?
A. Anterior pituitary
B. Hypothalamus
C. Juxtaglomerular apparatus
D. Vasomotor center
Trousseau’s sign and chovstek’s sings are positive in___________?
A. Hyperparathyroidism
B. Hypothyroidism
C. Hypoparathyroidism
D. Hyperthyroidism