Hormones Flashcards

0
Q

3 functions growth hormone

A

metabolism most organs
Growth/division bone/muscle
Stimulates IGFS

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1
Q

GH also known as

A

Somatotropin (growth hormone)

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2
Q

When do we make more somatotropin? (5)

A
Sleep night
Hypoglycaemia 
Exercise 
Anxiety
Childhood/adolescence
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3
Q

Function of thyroid stimulating hormone

A

Produces thyroxine (t4) (tiny t3)

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4
Q

How do we get MOST of our T3?

A

Converted by body from T4

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5
Q

When is thyroid stimulating hormone lowest/highest

A

Lowest early evening

Highest at night

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6
Q

What is thyroxin made of and why does that limit its efficacy

A

T4

Assumes body able to convert to T3

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7
Q

What is t4 long word

A

Thyroxine

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8
Q

What is t3 long word

A

Tri-iodothyronine

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9
Q

Suspected low thyroid function

GPs warning number v ours?

A

10

Ours 2!

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10
Q

If suspected low thyroid why would we run antibody test as well as blood

A

Increasingly auto immune - hashimotos

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11
Q

What do we need to convert t4 to t3?

A

Lots of different co-factors

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12
Q

What is t4 long word

A

Thyroxine

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13
Q

What is t3 long word

A

Tri-iodothyronine

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14
Q

Suspected low thyroid function

GPs warning number v ours?

A

10

Ours 2!

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15
Q

If suspected low thyroid why would we run antibody test as well as blood

A

Increasingly auto immune - hashimotos

16
Q

What do we need to convert t4 to t3?

A

Lots of different co-factors

17
Q

other name for growth hormone releasing inhibiting hormone

A

somatostatin

18
Q

too much GH conditions

A

gigantism, acromegaly

19
Q

Growth hormone increased by what from hypothalamus

A

growth hormone releasing hormone

20
Q

growth hormone decreased by what from the hypothalamus

A

growth hormone releasing inhibiting hormone

21
Q

GH target

A

bones & all tissues

22
Q

Thyroid stimulating hormone stimulated by

A

thyroid releasing hormone

23
Q

thyroid stimulating hormone inhibited by

A

growth hormone releasing inhibiting hormone

24
target tissue thyroid stimulating hormone
thyroid gland
25
too much TSH could indicate
Hypothyroidism
26
too little TSH could indicate
Hyperthyroidism
27
ACTH stimulated by
Corticotropin releasing hormone
28
ACTH inhibited by
high levels ACTH in blood
29
target tissue ACTH
Adrenal cortex (releases cortisol)
30
what does ACTH cause the adrenal cortex to release
cortisol | also triggers release of adrenaline, noradrenaline
31
apart from corticotropin releasing hormone what also stimulates the release of adrenocorticotropic hormone
stress, exercise, interleukin 1
32
Prolactin stimulated by
prolactin releasing hormone (and others)
33
prolactin inhibited by
dopamine from brain (and others)
34
prolactin's effect on body
stimuates lactation prevents pregnancy during lactation breast maturation after childbirth
35
production prolactin -
after birth, suckling\sleep, emotional stress
36
too much prolactin
hyperprolactinaemia
37
too little prolactin
hypoprolactinaemia
38
difference between somatotropin and somatostatin
somatotropin - GH | somatostatin - GHIH