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PRINCIPLES > Physiology > Flashcards

Physiology Flashcards

1
Q

body fluid osmolarity

A

300mOsm

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2
Q

Tm is

A

transport maximum

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3
Q

nearnst equation shows

A

the equilibrium potential for a substance

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4
Q

goldmann hodgkin katz shows

A

total Em

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5
Q

function of insulin

A

lowers glucose via blood uptake and activating liver enzymes

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6
Q

increases insulin..

A

high glucose
parasympathetics
glucagon
GIP

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7
Q

decreases insulin

A

low glucose

sympathetics

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8
Q

type one diabetics defect

A

beta cells in islets of langerhans

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9
Q

glucagon occurs in which state

A

hungry

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10
Q

glucagon raises glucose via

A

glycogenolysis
gluconeogenesis
lipolysis

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11
Q

glucagon increased by

A

low glucose

sympathetics

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12
Q

glucagon decreased by

A

high glucose

high insulin

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13
Q

adrenalin functions

A

increase glucose
increases gluconeogenesis
increases glyconolysis

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14
Q

cortisol functions

A

increases glucose and lipolysis

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15
Q

where is growth hormone released

A

anterior lobe of pituitary gland

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16
Q

growth hormone functions

A

decrease muscle glucose uptake
increase glucose from liver
increase lipolysis

17
Q

carotid sinus baroreceptor nerve

A

glossopharyngeal

18
Q

aortic arch baroreceptor nerve

A

vagus

19
Q

synapse of baroreceptor nerve endings

A

nucleus tractus solitarus

20
Q

cardiovascular centre location

A

low pons

21
Q

increase HR and contractility

A

sympathetics

22
Q

high pressure - nerve innervation:

A

parasympathetic

23
Q

parasympathetic vascular effects

A

dilate veins and arteries

low TPR and low CO

24
Q

sympathetic effects

A

vessel constrion
high TPR and CO
high BP

25
Q

cardiopulmonary vessels respond to what

A

blood volume

26
Q

which nerves increase with high blood volume

A

sympathetics

27
Q

increased vagus firing increases or decreases ADH

A

decreases

28
Q

ADH release is decided by which centre

A

hypothalamus

29
Q

more blood flow causes in kidneys…

A

increases water and sodium excretion

30
Q

increased ANP lowers blood volume via…

A

increased renal arteriole dilation

31
Q

normal MAP

A

70-105

32
Q

normal pulse pressure

A

30-50

33
Q

inherited metabolic disorder

A

PKU

34
Q

diabetes biochemical complications

A

ketocacidosis
hypoglycaemia
lactic acidosis

35
Q

other diabetes complicationns

A

retinopathy
nephropathy
macroangiopathy
cataracs

PRINCIPLES (11 decks)

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