Flashcard 5

1
Q

what happens between endothelial cells of arterioles in diabetes mellitus

A

subendothelial accumulation of plasma proteins and connective tissues

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2
Q

direct effects of GH on regulation of metabolism

A

increases gluconeogenesis
reduces insulin ability
makes adipocytes more sensitive to lipolytic stimuli
increased amino acid uptake and protein synthesis

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3
Q

actions of growth hormone

A
  • repair and maintain damaged cells
  • regulation of metabolism
  • growth and development
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4
Q

lipolysis

A

formation of ketones from fatty acids

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5
Q

examples of drugs that can cause obesity

A
  • anti-psychotics
  • steroids
  • insulin
  • antithyroid drugs
  • sodium valproate
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6
Q

difference between hypothyroid dwarfism and other types of dwarfism

A

normal dwarfism - everything adult like in small proportion

hypothyroid - everything still child-like

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7
Q

what effect does regular exercise have on insulin sensitivity

A

produces prolonged sensitivity to insulin

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8
Q

functions islets of langerhans

A

endocrine - produce hormones

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9
Q

can peptide hormone be orally

A

no

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10
Q

what % diabetic patients are insulin resistant

A

90%

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11
Q

complicated explanation of primary action of insulin

A

binds to tyrosine kinase receptor on the cell membrane of insulin sensitive tissues to increase the glucose uptake by these tissues

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12
Q

name of testical measuring device

A

orchidometer

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13
Q

factitious hypoglycaemia

A

high insulin levels in the absence of elevated c-peptide concentration

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14
Q

what is insulins mode of action in muscle and adipose tissue

A

stimulates mobilisation of SGLT1, transporting glucose into cell

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15
Q

are most of insulins activities anabolic or catabolic

A

anabolic

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16
Q

DHEA

A

dehydroepiandrosterone

prehormone of oestrogen and testosterone

17
Q

what do tropic hormones do after they have been produced by the hypothalamus

A

go to anterior pituitary to regulate release of endocrine hormones

18
Q

origin anterior pituitary tissue

A

epithelium

19
Q

how much of the pancreas operates as endocrine

A

1%

20
Q

indicators for concern regarding child growth

A

outwith parental target range

very tall/ very short

21
Q

pancreatic polypeptide function

A

may help control of nutrient absorption from GIT