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anesthesia test 2
test 2 review
Question | Answer |
---|---|
What is viscera | internal organs of the body |
parasympathetic nervous system | rest and restore |
sympathetic nervous system | flight or fight response |
what are neurons | cells that have been adapted to carry nerve impulses |
what are nerve impulses | neurons that transmit high speed signals |
what are receptors | sensory organs that receive external stimulation and transmit that information to the sensory neurons |
what is a reflex | a rapid automatic response to stimulus |
what is the autonomic nervous system | controls internal body functions that are not under conscious control |
what is the hypthalamus | situated at the base of the brain and is connected bya stalk to the pituitary gland , it is thought of as the bridge betwwen the nervous system and endocrine systems |
what is stimulus | stimulates the pain receptors of the skin,which initiate impulse in a sensory neuron |
what is the central nervous system | consists of the brain and spinal cord |
what is the peripheral nervous system | consists of nerves that are connected to the brain and the spinal cord, it also contains the autonomic nervous system |
what is drug half life | the duration of action of a drug, this is the period of time required for the concentration or amount of drug in the body to be reduced by one-half |
what is clearance | the removal of a drug from plasma |
what is volume of distribution | the distribution of the drug i the various body tissues |
what is steady state | the amount of drug in the plasma has built up to a concentration level that is therapeutically effective |
what is loading dose | the initial dose of a drug given to get the drug concentration up to the therapeutic range in a very short period of time |
what is the maintenance dose | dose of drug that maintains or keeps the drug in the thrapeutic range |
what are pre-anesthetic agents | drugs administered prior to general anethesia |
4 reasons for using pre-anesthetics | calm an excited pt, reduce the amount of general anesthesia needed, prevent adverse effects of other agents being used, and decrease pain in your pt. |
How long after administering pre anesthetics do you let the pt sit undisturbed | 15-30 minutes |
what are the 3 most common routes for administration of pre anesthetics | iv, sub q, and im |
which of the routes is the least used and why | sub q it take longer to take effect |
which of the 3 routes used has the most side effects and is used in lower dosages | IV |
which of the 3 routes is the most common | IM , pt must sit 15-30 mins |
what are the 3 categories of pre anesthetics | anticholinergics, tranquilizers/sedatives, and analgesics |
list the 2 most common anticholinergics discussed in class and notes | atropine and glycopyrrolate(Robinul-V) |