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BMA SEMSTER ONE > Module 8 - Endocrine System > Flashcards

Module 8 - Endocrine System Flashcards

1
Q

Growth Hormone (GH)

  • site of production and secretion
  • stimulus for secretion
A
  • produced and secreted by somatotrophins in anterior pituitary
  • stimulus: - growth hormone inhibiting hormone
  • growth hormone releasing hormone
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2
Q

Growth Hormone

  • main action
A
  • stimulate growth of body tissues particularly skeletal muscles + bones by stimulating protein
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3
Q

Antidiuretic Hormone (ADH)

  • site of secretion
  • stimulus for secretion
A
  • produced: hypothalamus
  • secreted: posterior pituitary gland
  • stimulus: increase in NA and decrease in blood volume and pressure
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4
Q

Antidiuretic Hormone (ADH)

  • main action
  • type of feedback
A

main action: targets kidneys and promotes reabsorption of water from urine back to blood

  • negative feedback
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5
Q

Aldosterone Hormone

  • site of secretion
  • stimulus for secretion
A

produced: adrenal cortex
secreted: adrenal cortex

stimulus: increase in blood potassium levels

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6
Q

Aldosterone Hormone

  • main action
  • type of feedback
A

main action:

  • regulates k+ NA+
  • targets kidneys
  • secretion of K+ from blood to urine
  • reabsorption of Na+ from urine to blood
  • negative feedback
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7
Q

Prolactin Hormone

  • site of production and secretion
  • stimulus for secretion
A

produced: anterior pituitary gland
secreted: anterior pituitary gland

stimulus: low levels of prolactin inhibiting hormone (PIH)

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8
Q

Prolactin Hormone

  • main action
  • type of feedback
A

main action: stimulates lactation in women

feedback: negative

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9
Q

Insulin Hormone

  • site of production and secretion
  • type of feedback
A

production: beta cells in pancreas
secretion: beta cells in pancreas

stimulus: increased blood glucose levels

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10
Q

Insulin Hormone

  • main action
  • type of feedback
A

main action: restore normal blood glucose levels, stimulates these cells to utilise for ATP

feedback: negative

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11
Q

Oxytocin Hormone

  • site of production and secretion
  • stimulus
A

production: hypothalamus
secretion: posterior pituitary gland

stimulus: stretching of cervix during labour
and suckling action of infant

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12
Q

Oxytocin Hormone

  • main action
A
  • stimulates uterine contraction during childbirth

- ejection of milk during breastfeeding

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13
Q

FSH + LH

  • site of production and secretion
  • stimulus for secretion
A

production: anterior pituitary gland
secretion: anterior pituitary gland

stimulus: GnRH

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14
Q

FSH + LH

  • main action
A

both target ovaries in females
and testes in males

(ie gonads)

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15
Q

Thyroid Stimulating Hormone (TSH)

  • site of production and secretion
  • stimulus for secretion
A

production: anterior pituitary gland
secretion: anterior pituitary gland

stimulus: controlled by TRH

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16
Q

Thyroid Stimulating Hormone (TSH)

  • main action
A
  • stimulates thyroid gland to secrete glands

- stimulates metabolism of tissue in body

17
Q

Thyroid Hormone

  • site of production and secretion
  • stimulus
A

produced: specialised follicular cells of the thyroid glands
secreted: specialised follicular cells of the thyroid glands

stimulus: TSH

18
Q

Thyroid Hormone

main actions

A

increases rate of metabolism, tissue growth + development

19
Q

Calcitonin Hormone

  • site of production and secretion
  • stimulus for secretion
A

produced: parafollicular cells of the thyroid glands
secreted: parafollicular cells of the thyroid glands

stimulus: increased blood calcium levels

20
Q

Calcitonin Hormone

  • main actions
  • type of feedback
A

main action: stimulate the uptake of calcium from the blood into the bone

feedback: negative

21
Q

Parathyroid Hormone

  • site of production and secretion
  • type of feedback
A

produced: parathyroid glands in the posterior thyroid glands
secreted: parathyroid glands in the posterior thyroid glands

stimulus: decrease in blood calcium levels

22
Q

parathyroid Hormone

  • main action
  • type of feedback
A

main action: increases calcium levels by:

  • stimulating osteoclasts to breakdown bone
  • decreasing levels of calcium secreted in urine
  • negative feedback
23
Q

Adrenocorticotropic Hormone (ACTH)

  • site of production and secretion
  • stimulus
A

production: anterior pituitary gland
secretion: anterior pituitary gland

stimulus: corticotropin releasing hormone from hypothalamus

24
Q

Adrenocorticotropic Hormone (ACTH)

  • main actions
A

stimulates adrenal gland to secrete corticosteroid cortisol from adrenal cortex

25
Q

Cortisol Hormone

  • site of production and secretion
  • stimulus for secretion
A

produced: adrenal cortex
secreted: adrenal cortex

stimulus: anterior pituitary hormone ACTH

26
Q

Cortisol Hormone

  • main action
A

maintains blood glucose by accelerating rates of glucose synthesis when fasting or glycogen formation after meal

27
Q

Adrenalin Hormone

  • site of production and secretion
  • stimulus
A

production: adrenal medulla of adrenal gland
secretion: adrenal medulla of adrenal gland

stimulus: secreted in bloodstream from adrenal medulla

28
Q

Adrenalin Hormone

  • main action
  • type of feedback
A

main action: enhances + prolongs sympathetic response

  • negative feedback
29
Q

Noradrenalin Hormone

  • site of production and secretion
  • stimulus
A

produced: CNS
secreted: CNS

stimulus: postganglionic fibres to effector

30
Q

Noradrenalin Hormone

  • main action
  • type of feedback
A

action: enhance + prolong sympathetic response

- negative feedback

31
Q

Glucagon Hormone

  • site of production and secretion
  • stimulus
A

production: alpha cells
secreted: alpha cells

stimulus: decreased blood glucose levels

32
Q

Glucagon Hormone

  • main actions
A
  • restore normal blood glucose levels by glycogenesis

by breaking down stored glycogen converting to glucose

BMA SEMSTER ONE (11 decks)

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