Term
ECF ( Extracellular Fluid ) |
|
Definition
Fluid around, between, and outside cells. Makes up 1/3 or 20% of the body weight. Contains 2 components: 16% plasma and 4% interstitial fluid. Major cation is Na. |
|
|
Term
Majority of body water is extracellular? |
|
Definition
|
|
Term
ICF ( Intracellular Fluid) |
|
Definition
Fluid inside cells. Makes up 2/3 or 40% of the body weight. Major cation is K. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
Does NOT require a carrier |
|
|
Term
|
Definition
requires a carrier protein |
|
|
Term
|
Definition
|
|
Term
|
Definition
spontaneous net movement of water through a semi-permeable membrane. Area of high concentration to an area of low concentration |
|
|
Term
|
Definition
pressure in a fluid due to # of dissolved particles |
|
|
Term
|
Definition
most abundant solute molecules and play a principal role in governing body water distribution and content |
|
|
Term
|
Definition
|
|
Term
|
Definition
Less than 300 mOs, cell swells and could rupture, water drawn to higher osmotic pressure |
|
|
Term
|
Definition
Equilibrium, no net water movement |
|
|
Term
|
Definition
More than 300 mOs, crenation (or cell shrinkage ) occurs |
|
|
Term
|
Definition
|
|
Term
Rate of Dehydration that can cause death |
|
Definition
|
|
Term
2 parts of nervous system |
|
Definition
CNS ( central nervous system ) and PNS ( peripheral nervous system ) |
|
|
Term
CNS ( central nervous system ) |
|
Definition
Contains brain and spinal cord |
|
|
Term
PNS ( peripheral nervous system ) |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
directly connects sensory and motor neurons ( REFLEXES ) |
|
|
Term
|
Definition
membrane potential becomes less negative |
|
|
Term
|
Definition
membrane potential returns to resting value |
|
|
Term
|
Definition
membrane potential becomes more negative than resting value |
|
|
Term
|
Definition
minimum intensity of a stimulation that will cause action potential |
|
|
Term
Absolute Refractory Period |
|
Definition
cell incapable of generating a new action potential with addition of a second stimulus |
|
|
Term
Relative Refractory Period |
|
Definition
More difficult to generate new action potential with addition of second stimulus |
|
|
Term
|
Definition
More abundant than neurons, 90 % of cells in the human brain. Do not generate or conduct action potential , Dont form synapses, several types of cells |
|
|
Term
|
Definition
predominant type of synapse that occurs in the body |
|
|
Term
|
Definition
gap junctions through which ions freely follow, travel very fast, occur quickly with coordination. Occurs in the cardiac cells |
|
|
Term
|
Definition
Presynaptic cell, post synaptic cells, synaptic cleft |
|
|
Term
|
Definition
space between presynaptic and post synaptic cell |
|
|
Term
Postsynaptic cell/ Post Ganglionic |
|
Definition
may be a neuron, muscle cell, or endocrine cell. |
|
|
Term
Presynaptic Cell/ Pre Ganglionic |
|
Definition
Makes and releases chemical near axon terminal |
|
|
Term
|
Definition
Synapse between a motor neuron and a skeletal muscle cell |
|
|
Term
|
Definition
Predominant Neurotransmitter, found in skeletal muscles, CNS, and autonomic neurons. Excitatory effect |
|
|
Term
|
Definition
Gaba amino butyric acid, located in the CNS, Inhibitory effect |
|
|
Term
|
Definition
Located in CNS, can be excitatory or inhibitory, related to parkinsons |
|
|
Term
|
Definition
Released from adrenal glands (adrenaline ) , located in CNS, PNS, cardiac and smooth muscle, can be excitatory or inhibitory |
|
|
Term
|
Definition
located in CNS, cardiac and smooth muscle, mainly excitatory |
|
|
Term
|
Definition
located in CNS, antidepressant ( zoloft ) , reuptake inhibitors- prevents serotonin from being reabsorbed |
|
|
Term
|
Definition
Fight or Flight, Neurotransmitter- nonadrenaline, Adrenergic System |
|
|
Term
Parasympathetic Motor System |
|
Definition
Relaxing responses ( normal ), Neurotransmitter- acetylcholine, cholinergic system |
|
|
Term
Nerve root origin of Sympathetic Neurons |
|
Definition
|
|
Term
Nerve root origin of parasympathetic neuron |
|
Definition
|
|
Term
|
Definition
Cluster of nerve cell bodies outside CNS |
|
|