6E Malfunctions In Homeostasis Flashcards
Type 1 diabetes defines as
when beta cells in pancreas are destroyed, creating an inability to regulate blood glucose levels.
Symptoms of Type 1 diabetes
Insulin deficient, hypoglycaemia and hyperglycaemia
Since glucose can’t be absorbed into the cells in hyperglycaemic patients…
Increased urination and excessive thirst
Excessive hunger and lethargy
Weight loss
Long term effects of Hyperglycaemia
Vision loss
Heart disease and stroke
Tingling or numbness in feet
Prolonged wound healing
Kidney damage.
Cause of Hypoglycaemia
Alpha cells don’t produce normal levels of glucagon, glucose levels fall
Hypoglycaemia leads them to feel
Weak, dizzy, lose consciousness or even death
Hyperthyroidism occurs when…
there are too many thyroid hormones that is secreted into the body.
The thyroid secretes…
T3 and T4
Hyperthyroidism happens when
the thyroid gland produces too much T3 and T4.
Stimulus-Response Model of Hyperthyroidism
Stimulus
change in variety of factors, eg. body temp
Receptor
Hypothalamus
Secretion of TRH
Modulator
anterior pituitary gland
Secretion of TSH
Effector
thyroid gland
Response
release of T3 and T4