QuestionSBA
QuestionChoice
Aldosterone is a hormone which regulates the amount of sodium and water retention. Decreased aldosterone will lead to less water retention which decreases blood volume and pressure. Aldosterone is not involved in calcium and phosphate regulation.
10004960
e
Aldosterone
QuestionChoice
Insulin is a hormone which is secreted by the pancreatic beta islet cells. Its main function is to lower serum glucose levels.
10004958
c
Insulin
QuestionChoice
1,25-dihydroxy vitamin D (calcitriol), is a hormone metabolite of Vitamin D. It acts on the parathyroid gland by suppressing parathyroid hormone (PTH) production. This has the effect of increasing both the absorption of calcium and phosphate through the gut.
10004959
d
1,25-dihydroxyvitamin D (calcitriol)
QuestionChoice
Parathyroid hormone (PTH) increases plasma calcium and decreases phosphate through a direct effect on bone and kidneys. It stimulates the kidneys to actively reabsorb calcium and excrete phosphate.
10004956
a
Parathyroid hormone (PTH)
QuestionChoice
Calcitonin is secreted by thyroid parafollicular cells. The effect of this hormone is to lower serum calcium by inhibiting bone metabolism by osteoclasts.
10004957
b
Calcitonin
Concept
Chapter
2693
3753
Chronic kidney disease
Topic
142
Nephrology
13538
A medical student is in a clinic with a nephrologist and is asking questions about hormones and their effect on renal physiology.

Which of the following is the hormone which stimulates calcium absorption and phosphate excretion in the kidneys?
a