HUBS progress test 2 Flashcards
What is the stimulus for growth hormone
whenis it highest in life
Sleep
excersise
Highest in adolesance
What is the stimulus for anti duretic hormone (ADH) and the fix
Dehydration, stress, excersise
Causes vasoconstrictions, increased kindey reabsorbtion
What is the stimulus of Oxytosis
Milk release process (positve feedback)
Help giving birth, Stimulates contractions when giving birth
What is the stimulus of throyid hormone
cold stress, Excersise
What is the stiumlus of cortisol
Carcadian rythem ( peaks in the morning and around meal times,) stress resistance, low blood glucouse
What is thyroid hormones effects on basal metabolic rate
- Fuel mobilisation of amino acids and fatty acids
- Thermoregulation
- ATP production and use
What is our stimulus for adrenline
Stress
Parathyroid hormone stimulus
Low blood Ca
What is the stimulus of insulin
High blood glucose - Fed state
What stimulates glucagon
Low blood glucose - Fasting state (4+ hours no food)
What stimulates calcetonin
High blood Ca (note secondary to the impact of reducing release of PTH)
What is th effect of aldosterone
Increases Na+ content in the blood, increases the amount of water whcih can be absorbed, isosmotic fluid,
How does insulin levels fluctuate daily
Increases at meal times - [glucose] can be reduced by excersise alternativly
When Fuel is being mobilised by GH, cortisol, or adernline, what secondary reponse does this have
Causes adipose, Skeletal muscle and the liver to reduce the uptake of glucose
What are some effects of exhastion phase
Body cant regulation [ions] and [glucose] damages cardiovascular and immune system
Causes organ failure
What are hormones made from
Cholestrol and aminoacids
What is the system of events after a hormone unbinds from a recepetor
Effect stops, hormone is either, secreated
Broken down, (could then be recycled)
What are the three lipid soluble hormones
Adrenal cortex - Cortisol, aldosterlone,
thyroid gland - Thyroid horome
In the dermis what creates the chemical defenses
Sebum - low pH is caused by hair follicals associated with sebaceous glands
Sweat glands, create a hypertonic enviroment
What is the function of an astrocyte
Glia of the CNS
Ensheeths blood capiliarrys, Heals damaged neurons, supplys nutriance
What type of cell bodys and axons are found inside the brain
vs what is found on the cortext and spinal cord
Inside brain: Tracts and nuclei
Cortex and spinal cord: Grey and what matter
What are the ganglion of the parasympathetic nervous system called
Parasympathetic ganglion
What is another name for a local potential and why
A graded potential, as the size of the potenital is caused by the number of channels opened. (unlike AP which is consistant size)
What causes the movement of Na under myelin
Local currents
