Test 1 Ch 16,23,24 And Nervous System Flashcards
An impulse from one nerve travels faster to another nerve cell because of what adaptive feature of neurons ?
Nodes of Ranvier
Glucocorticoid is to cortisol as mineralocorticoid is to..
Aldosterone
What is associated with norepinephrine?
Post-ganglionic sympathetic NS neurotransmitter
What breaks down carbs
Amylase
Molecular formula for monosaccharide
C18H36O18
Helix and pleated sheets are where
Secondary structure
Molecule major source for neurons and blood cells
Glucose
Major targets or GH
Bone\skeletal muscles
Pathway of cellular respiration
Glycolysis
Krebs cycle
Oxidative phosphorylation
Oxytocin has a ______ feedback control mechanism
Positive
A second nerve impulse cannot be generated until..
The RMP has been reestablished
Receptor does not adapt to stimuli
Nociceptors
What would be most affected with digestion if liver was damaged
Lipids
Anabolic process
GlycoGENESIS
Role of acetylcholinerase
Destroy ACh for a brief period after its release
Ability of specific organ/tissue to respond to presence of hormone dependent on
Presence of appropriate receptors on cells of target tissue/organ
How does interior of resting/nonconducting neuron differ from external environment ?
Negatively charged and contains less sodium
How do steroid hormones exert action?
Entering nucleus of cell and activating expression of gene
Master endocrine gland
Pituitary
Mineral Req. by body in trace amounts
Iodine
Part of digestive system responsible for uptake of water
Colon
Secreted by anterior pituitary gland
ACTH
In digestive tract where would you find high conc. of blood vessels that absorb nutrients
Submucosa
Primary role of cellular respiration
Break down food molecules to generate ATP
