Which of the following statements are true/false? i. Thyrocalcitonin regulates the homeostasis of blood calcium levels. ii. Oxytocin stimulates contraction of uterine muscles during birth. iii. "Grave

Question

Which of the following statements are true/false?

i. Thyrocalcitonin regulates the homeostasis of blood calcium levels.
ii. Oxytocin stimulates contraction of uterine muscles during birth.
iii. "Grave's disease" is caused by malfunctioning of the adrenal gland.
iv. ADH stimulates the absorption of water and increase urine production.

TestHub · Accepted Answer

Graves' disease is an immune system disorder that results in the overproduction of thyroid hormones (hyperthyroidism). The hypothalamus sends a message to the pituitary gland which releases ADH. This travels in the blood to kidneys and affects the tubules so more water is reabsorbed into your blood. As a result, a smaller volume of more concentrated urine is produced. ADH reduces the amount of urine production.

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