chp 9 control and coordination

Question 1

disorders of nervous system

Answer 1

✩ psychological disorders
✩ parkinsons disease
✩ alzheimers

Question 2

pyschological disorders

Answer 2

✩ affect mood, thinking or behaviour
✩ affect diff. areas of life and causes great pain
✩ eg. ADHD, anxiety disorder, depression

Question 3

parkinson’s disease

Answer 3

✩ caused due to degeneration of dopamine producing neuronsin cns
✩ develops gradually over years

Question 4

symptoms of parkinsons

Answer 4

✩ tremors
✩ stiffness
✩ difficulty in walking, balance and coordination

Question 5

alzheimers disease

Answer 5

✩ occurs due to loss of cholinergic and other neurons in cns
✩ accumulation of amyloid proteins in between neurons of the brains

Question 6

symptoms of alzheimers

Answer 6

✩ degeneration of neurons
✩ dementia (loss of memory)
✩ incs w age showing loss of congitive functions as thinking, remembering, reasoning.

Question 7

diagonisis and treament of alzheimers

Answer 7

✩ no cure
✩ but treatment slows down the progression of disease and may improve life

Question 8

what is chemical coordination?

Answer 8

communication of cells and organs w each other thro. chemical signals

Question 9

types of chemical coordination

Answer 9

✩ autocrines
✩ paracrines
✩ endocrines
✩ pheromones

Question 10

autocrines

Answer 10

cell releases chemical to stimulate itself

Question 11

paracrines

Answer 11

cell release chemical to stimulate neighbouring cellls

Question 12

endocrines

Answer 12

cells release secretion to stimulate distant cells

Question 13

pheromones

Answer 13

an organism releases secretion to stimulate other organism