Introduction Flashcards
How many paracetamol can kill someone?
20
What can chronic dosing of eight tablets a day do?
affect liver function
What is the aim of a living system?
Maximise order- requires energy
Minimise disorder
What leads to poor health?
Molecules not in the right place, amount, time, environment or temperature
What is pharmacology?
studies the effects of molecules with defined effects on physiological and biochemical activity of cells up through to the level of a person
What is endogenous?
within the body
What is exogenous I?
Natural
What is exogenous II?
Synthetic
What is clinical pharmacology?
understanding endogenous signalling molecules and there cellular targets
What does MEF stand for?
Matter, energy and fields
What does a cell require?
Substrate supply system, product distribution system, waste removal system
How is homeostasis controlled?
Negative feedback
What does homeostasis need?
Something needing controlling Sensor Set point Error signal Controller Effector Communication routes
What are the temperature ranges for hyperthermia?
38-40
What are the temperature ranges for hypothermia?
34-36 (mid-mild)
What does the endocrine system use to communicate?
Hormones that act over long distances through blood stream
e.g. digestion, metabolism, growth, metabolism, sexual
What are the different types of hormones?
Amines- hydrophilic- seconds- cytosolic second messenger
Peptides and Proteins- hydrophilic - minutes- protein kinase
Steriods- lipophilic (intracellular receptors)- hours
How are hormones used exogenously?
Adrenaline- IV
Steroids- anti inflammatory
Where do paracrine hormones targetted?
Nearby cells e.g. neurotransmitters
What does excitatory mean?
Signal increase firing rate post synaptically
What does Inhibitory mean?
Signal decrease firing rate post synaptically
What does RITE stand for?
Receptor
Ion channel
transporter
enzyme
What is RITE?
Drug targets
What does KING stand for?
Kinase Linked receptors
Ion channels
Nuclear/Intracellular
G protein coupled receptors