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62 Cards in this Set
- Front
- Back
a function of the thalamus
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receiving nerve impulses for temperature
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nerve fibers found in reticular formation stimulated by noise, bright light, and danger
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excitatory fibers
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drug like alcohol that depress cerebellum can be expected to
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reduce body coordination
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muscle relaxation agents given prior to an invasive diagnostic procedure can
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help prevent tearing or straining muscles
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Common uses of local anesthetics
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ALL ARE CORRECT (abolish painful stimulation prior to tooth extractions, surgical procedures, and child birth)
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controls reflexes for swallowing and gagging
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medulla oblongata
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skeletal muscle relaxant that can be considered a cholinergic receptor antagonist
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nondepolarizing
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main parts of the brain
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ALL OF THE ABOVE (brainstem, cerebrum, and cerebellum)
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centrally acting muscle relaxant works by targeting
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spinal cord
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which is correct about skeletal muscle relaxants
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intubation can be accomplished quickly
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what is correct about neuromuscular blocking drugs
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2 groups, depolarizing or nondepolarizing
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centrally acting skeletal muscle relaxants
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inhibit or reduce within spinal cord, interupting the central stimulus to muscle contraction
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which is paired correctly with effect
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succinylcholine - life threatening cardiac arrest in children
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skeletal muscle relaxants alter control of respiration because
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diaphram is a skeletal muscle
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pt. with breathing problems given muscle relaxant begins bronchiospasms which can lead to asthma attack . Attributed to release of
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histamine
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body temperature, appetite, water balance regulated by
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hypothalamus
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touch, pressure, and pain are perceived in
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parietal lobe
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vital centers regulated by
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medulla oblongata
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area of brain involved with emotional and behavioral responses
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limbic system
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with a regional nerve block
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a larger surface area is anesthetized
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cocaine can't be given by injection because it produces
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vasoconstriction
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why local anesthetics are valuable as treatment for pain management
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low doses that don't inhibit motor neve function
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the only brain structure under conscious control
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cerebral cortex
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damaging cerebellum causes all of following except
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sleep disturbances
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which CNS component will caffeine affect most
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reticular formation
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difference between local and general anesthetics, general
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total loss of consciousness
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adverse CNS effect caused by local anesthetics
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seizure
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treatment to reverse the effects of local anesthetics
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barbituates and diazepam
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true about brainstem
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brain stem is continuous with spinal cord
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Tizanidine (Zanaflex) used for treatment of
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spasticity caused by MS and spinal cord injury
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which statement true?
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more nondepolarizing than depolarizing
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in succinylcholine OD, respiriation
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must be supported artificially until drug metabolized
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succinylcholine intravenously which muscles relax first
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facial
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topical anesthetics available in all BUT
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sprays, eye drops, lozenges, suppositories
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common use of local anesthetic
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tooth extraction
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most commonly used local anesthetic technique
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infiltration anesthesia
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higher intellectual abilities controlled by
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cerebrum
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in the case of pregnant pt.'s
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pregnancy does not alter dynamics
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vesicles that store and release neurotransmitters are contained in
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synaptic knob
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nerve fibers that travel from brain to peripheral orgnas and skeletal muscle are known as
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efferent neurons
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drugs that inhibit skeletal muscle contraction by blocking conduction w/i spinal cord
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centrally acting skeletal muscle relaxants
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toxicity associated with neuromuscular blocker OD
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respiratory muscle paralysis
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not considered an advantage of local anesthetics
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lack of side effects
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statement that best explains potency
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nerve block at a relatively low dose
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rectal suppository is example of
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local anesthetic
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lobe of the cerebral cortex that controls muscle movement
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frontal
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local anesthetic first affects
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pain
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lidocaine treats
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cardiac arrhythmias
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muscle relaxants given prior to invasive procedure can
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prevent tearing or straining muscles
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2 main components of the CNS
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brain and spinal cord
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where epidural is administered
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outside the dural space
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toxicity associated with neuromuscular blockers is
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respiratiory muscle paralysis
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surface recording of brains electrical activity
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electroncephalogram (EEG)
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which centrally acting muscle relaxant can lead to dependency
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diazepam
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example of depolarizing neuromuscular blocking drug
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succinylcholine
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function of cerebellum is to control
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body movement
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drugs like alcohol depress cerebellum can be expected to
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reduce body coordination
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how local anesthetics affect cardiac function
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depress cardiac conduction system
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area of pharmacology that deals with drugs affecting the CNS
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neuropharmacology
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reason why local anesthetic shouldn't be applied to damaged, open, or broken skin
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ALL ARE CORRECT (convulsion, can reach blood vesssels, hypotension)
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pt. that can't be given Dantrolene
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hepatitis
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type of impulse carried to the sensory neurons
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ALL CORRECT (pain, touch, heat and cold)
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