Endocrine

Question 1

Which cells release parathyroid hormone (PTH)?

Answer 1

Chief cells of the parathyroid gland release parathyroid hormone

Question 2

Which cells release calcitonin?

Answer 2

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Parafollicular cells in the thyroid release calcitonin in response to high calcium

Question 3

What effect does calcitonin have on bone?

Answer 3

Calcitonin released when high calcium so stimulates osteoblasts and inhibits osteoclasts to build bone

Question 4

Name 4 insulin counter regulatory hormones

Answer 4

Growth hormone
Cortisol
Catecholamines
Glucagon

Question 5

What is the net effect of aldosterone?

Answer 5

Save sodium and piss potassium

Question 6

Describe the hypothalamic-pituitary-adrenal axis

Answer 6

Hypothalamus releases Corticotrophin releasing hormone (CRH)

Anterior pituitary gland releases adrenocorticotrophic hormone (ACTH)

Adrenal gland (glomerulosa fasiculata) releases cortisol

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Question 7

Describe the hypothalamic-pituitary-adrenal axis

Answer 7

Hypothalamus releases Corticotrophin releasing hormone (CRH)

Anterior pituitary gland releases adrenocorticotrophic hormone (ACTH)

Adrenal gland (zona fasiculata and zona reticularis) releases cortisol

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