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zHUBS 191 > HUBS progress test 2 > Flashcards

HUBS progress test 2 Flashcards

1
Q

What is the stimulus for growth hormone

whenis it highest in life

A

Sleep
excersise

Highest in adolesance

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2
Q

What is the stimulus for anti duretic hormone (ADH) and the fix

A

Dehydration, stress, excersise
Causes vasoconstrictions, increased kindey reabsorbtion

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3
Q

What is the stimulus of Oxytosis

A

Milk release process (positve feedback)
Help giving birth, Stimulates contractions when giving birth

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4
Q

What is the stimulus of throyid hormone

A

cold stress, Excersise

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5
Q

What is the stiumlus of cortisol

A

Carcadian rythem ( peaks in the morning and around meal times,) stress resistance, low blood glucouse

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6
Q

What is thyroid hormones effects on basal metabolic rate

A
  • Fuel mobilisation of amino acids and fatty acids
  • Thermoregulation
  • ATP production and use
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7
Q

What is our stimulus for adrenline

A

Stress

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8
Q

Parathyroid hormone stimulus

A

Low blood Ca

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9
Q

What is the stimulus of insulin

A

High blood glucose - Fed state

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10
Q

What stimulates glucagon

A

Low blood glucose - Fasting state (4+ hours no food)

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11
Q

What stimulates calcetonin

A

High blood Ca (note secondary to the impact of reducing release of PTH)

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12
Q

What is th effect of aldosterone

A

Increases Na+ content in the blood, increases the amount of water whcih can be absorbed, isosmotic fluid,

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13
Q

How does insulin levels fluctuate daily

A

Increases at meal times - [glucose] can be reduced by excersise alternativly

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14
Q

When Fuel is being mobilised by GH, cortisol, or adernline, what secondary reponse does this have

A

Causes adipose, Skeletal muscle and the liver to reduce the uptake of glucose

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15
Q

What are some effects of exhastion phase

A

Body cant regulation [ions] and [glucose] damages cardiovascular and immune system
Causes organ failure

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16
Q

What are hormones made from

A

Cholestrol and aminoacids

17
Q

What is the system of events after a hormone unbinds from a recepetor

A

Effect stops, hormone is either, secreated
Broken down, (could then be recycled)

18
Q

What are the three lipid soluble hormones

A

Adrenal cortex - Cortisol, aldosterlone,
thyroid gland - Thyroid horome

19
Q

In the dermis what creates the chemical defenses

A

Sebum - low pH is caused by hair follicals associated with sebaceous glands
Sweat glands, create a hypertonic enviroment

20
Q

What is the function of an astrocyte

A

Glia of the CNS
Ensheeths blood capiliarrys, Heals damaged neurons, supplys nutriance

21
Q

What type of cell bodys and axons are found inside the brain
vs what is found on the cortext and spinal cord

A

Inside brain: Tracts and nuclei
Cortex and spinal cord: Grey and what matter

22
Q

What are the ganglion of the parasympathetic nervous system called

A

Parasympathetic ganglion

23
Q

What is another name for a local potential and why

A

A graded potential, as the size of the potenital is caused by the number of channels opened. (unlike AP which is consistant size)

24
Q

What causes the movement of Na under myelin

A

Local currents

25
Q

What area has higher Ca concentration

A

The region outside the cell

26
Q

What are 2 fetures of electrical synapes

A

No signal modulation
Fast signaling

27
Q

What are conus medularus and filumn terminalle made from

A

Non-neural tissue
Fillumn function to prevent the movement of the base of the spinal cord in the miniges sac

28
Q

What is the name of the extra seperation of spinal nerve in the thraccolmbar region

A

The communican’s rami - leading to sympathetic ganglion - coming off from the ventral ramus

29
Q

What are dural folds made from

A

The inner layer of the dura matter

30
Q

what is the temporal lobes functions

A

hearing and memory

31
Q

what causes lowered ability to distingish between 2 points

A

receptive feild size

32
Q

Define somatic sensation
veceral sensation
special sensation

A

Somatic: sensation of the skin, muscles and joints
Viscral: sensation of the internal organs / inside the body
Special sensation: sensation whihc is determined by an organ of its own

33
Q

What are our phasic receptors

A

Thermoreceptors
some tactile mechanoreceptors

34
Q

Define phasic and tonic

A

Tonic you are always aware of and will not phase out overtime, increased intensity will increase your feeling
Phasic: will defult to no sensation, will detect changes then rapidly adapt back to no AP

35
Q

Where does the cerebellumn and basal nuclei send information to

A

frontal cortex: 1 motor cortex

36
Q

how does the cerebellumn change movement

A

changes the timing of mucle contractions

37
Q

How is fuel mobilised in the resistance phase

A

Most glycogen stores are depleated
More adipose and protein breakdown occurs to release fats and amino aicds as an alternate fuel sorce

zHUBS 191 (29 decks)

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