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NEET Questions / Zoology / Chemical Coordination and Integration
A patient presents with persistent hypercalcemia, despite normal parathyroid hormone levels. Further investigation reveals elevated levels of a peptide hormone produced by a malignancy. Which hormone is MOST likely responsible for this patient's hypercalcemia?
Calcitonin
Parathyroid hormone-related protein (PTHrP)
Thyroxine (T4)
Adrenocorticotropic hormone (ACTH)
Which of the following is NOT a function of parathyroid hormone (PTH)?
Decreases level in blood
Stimulates the process of bone resorption
Reabsorption of by renal tubules
Increases the absorption of from digested food (indirectly)
Parathyroid hormone (PTH) acts to increase blood calcium levels. Which of the following processes is NOT stimulated by PTH?
Increased bone resorption
Increased reabsorption of by the kidneys
Increased absorption of from the digestive system (indirectly)
Decreased absorption of from the digestive system
Which of the following statements regarding the effects of parathyroid hormone (PTH) is FALSE?
PTH stimulates bone resorption.
PTH increases reabsorption in the kidneys.
PTH promotes absorption from the digestive system (indirectly).
PTH decreases blood levels.
Increase in bleeding time and delay in blood coagulation is due to the deficiency of which hormone?
Thrombopoietin
Insulin
Thyroxine
Growth Hormone
Increase in bleeding time and delay in blood coagulation is due to the deficiency of which hormone?
Adrenaline
Noradrenaline
Parathormone
Thyroxine
Vitamin that has similar action as the parathormone is
Vitamin-A
Vitamin-B
Vitamin-C
Vitamin-D
Significant role of calcium balance in the body is maintained by
PTH and FSH
PTH and TCT
TCT and FSH
TCT and GH
Significant role of calcium balance in the body is maintained by
PTH and FSH
PTH and TCT
TCT and FSH
TCT and GH
Consider the following statements: I. Calcitonin is non-iodised, II. Calcitonin is secreted by parafollicular cells, III. Calcitonin regulates the calcium level in blood, IV. Calcitonin is also called as TCT (Thyrocalcitonin), V. TCT is hyperglycemic agent (factor). Select the option containing correct statements from the above given statements
I, II and V
I, II, III and IV
III, IV and V
II, III, IV and V
