Shared Flashcard Set

Details

pharmacology quizzes and tests
speth stuff
149
Medical
Undergraduate 4
05/05/2009

Additional Medical Flashcards

 


 

Cards

Term
primary substance released from mast cells that precipitates asthma attacks
Definition
histamine
Term
2 primary pathophys events that characterize astham attacks
Definition
inflammation and broncoconstriction
Term
type of asthma med that shouldn't be used as monotherapy
Definition
long-acting beta 2 agonists
Term
chemical class theophylline belongs to
Definition
methylxantines
Term
most commonly used rescue therapy for asthma
Definition
albuterol (ventolin)
Term
transmitter released from vagal efferents onto bronchial smooth muscle
Definition
acetylcholine which causes bronchoconstriction
Term
anti-asthmatic drug associated with adverse effects on mood and behavior:
Definition
montelukast (singulair)
Term
what type of drug is ephedrine?
Definition
sympathomimetic
Term
immediate target neutralized by Omalizumab (Xolair)
Definition
IgE
Term
Which is the most important therapeutic effect of corticosteroids for asthma?
Definition
anti-inflammatory effects
Term
Neurotransmitter associated with induction of sleep
Definition
melatonin
Term
balcofen (lioresal) interacts with which type of neurotransmitter receptor to produce its muscle relaxant effects:
Definition
GABAb
Term
therapeutic applications for benzos
Definition
relief of anxiety, anticonvulsant, induction of sleep, muscle relaxation
Term
a type of allosteric modulator that can activate GABAa receptors in its own right (i.e. in the absence of GABA):
Definition
barbiturates like pentobarbital (nembutal)
Term
What characteristic must a receptor have in order ot be subject to inverse agonism?
Definition
must be constitutively active
Term
doxylamine (unisom) is in which class?
Definition
antihistamines
Term
propranolol is indicated for this neuropsychiatric disorder
Definition
performance anxiety
Term
primary mechanism of termination of the actions of dopamine int eh synapse is
Definition
reuptake into the presynaptic terminal
Term
1.1 MAC is generally sufficient to provide a surgical plane of anesthesia because:
Definition
there is a very steep concentration response curve such that small increases in concentration cause large changes in response
Term
the part of the GABAa receptor that mediates sedative hypnotic actions of benzos
Definition
alpha 1 subunit
Term
examples of ionotropic recpetors:
Definition
nicotinic cholinergic; NMDA; GABAa; AMPA
Term
T/F the H1 receptor is an ionotropic receptor
Definition
false
Term
GABAb receptors are linked to this g-protein
Definition
Gi
Term
In response to G protein activation by the adenosine A1 receptor, which ion channels open?
Definition
potassium channels
Term
The target of Ketamine (Ketalar) is:
Definition
the NMDA receptor
Term
a therapreutic application of botulinum toxin (botox) is:
Definition
treatment of spastic disorders like cerebral palsy, treatment of wrinkles
Term
Bantrolene (Dantrium) is used to treat what condition?
Definition
malignant hyperthermia
Term
Tizanadine (zanaflex) exerts its spasmolytic actions through which receptor?
Definition
alpha 2 adrenergix
Term
this receptor mediates the soporific effects of diphenhydramine (benadryl)
Definition
H1 histamine
Term
target of fluoxetine (prozac):
Definition
serotonin transporter (SERT)
Term
you should not use fluvoxamine (luvox) with ramelteon (rozarem) because:
Definition
flucox inhibits the first pass metabolism of ramelteon by cyp1a2
Term
an advantage of Z drugs over benzos as sleep aids is that:
Definition
they are shorter acting so there is less ahngover the next day
Term
the class of drug that poses the greatest danger as a sleep aid is:
Definition
barbiturates
Term
midazolam (versed) belongs to this class:
Definition
benzodiazepines
Term
the anxiolytic with the lowest abuse potential:
Definition
buspirone (buspar)
Term
neurotransmitter pathway that is dysfuncitonal in parkinson's disease:
Definition
nigrostriatal
Term
primary nucleus in the brain that noradrenergic neurons emainate from
Definition
locus coeruleus
Term
precursor of serotonin is:
Definition
tryptophan
Term
part of the brain that makes melatonin
Definition
pineal gland
Term
primary route of inactivation of synaptically released glutamate:
Definition
uptake by glia
Term
neurotransmitter sstem most compromised in alzheimer's disease
Definition
acetylcholine
Term
disnhibition of socially unacceptable bejaviors is a concern with these drugs
Definition
benzos
Term
gas that cannot be used to obtain a surgical plane of anesthesia
Definition
nitrous oxide
Term
site at which medetomidine (domitor) and xylazine (rompun) exert their anesthetic actions
Definition
alpha 2 adrenergic receptors
Term
primary mechanism of drugs that treat alzheimer's
Definition
acetylcholinesterase inhibitors
Term
role played by interneurons in the brain
Definition
inhibitory actions on receptive neurons
Term
inhibitory neurotransmitter with greatest impact on brain function
Definition
GABA
Term
example of a peptide neurotransmitter
Definition
orexin
Term
drugs that antagonize the actions of benzos
Definition
flumazenil (romazicon)
Term
a combination of drugs that causes neuroleptanalgesia
Definition
droperidol and fentanyl
Term
2 concerns with the use of holothane as an anesthetic agent
Definition
sensitizes the heart to catecholamines and can be hepatoxic
Term
prevention of asthma attacks can be accomplished with this class of drugs:
Definition
corticosteroid combined with long-acting beta 2 agonist
Term
two steps of presynaptic neurotransmission at which drugs can have therapeutic effects
Definition
release and reuptake
Term
a drug that mimics the effect of a neurotransmitter would be considered an
Definition
agonist
Term
major inhibitory neurotransmitter in the brain
Definition
GABA
Term
major excitatory neurotransmitter in the brain
Definition
glutamate
Term
2 major classifications of neurotransmitter receptors in the brain:
Definition
ionotropic (fast) like nicotinic and metabotropic (slow) like muscarinic
Term
D1 and D5 are G__ coupled
Definition
Gs
Term
D2,3 and 4 are coupled to G__
Definition
Gi
Term
2 neurotransmitters released from the same neuron are:
Definition
epinephrine and enkephalin
Term
which has a more powerful impact on consciousness, an anxiolytic, a sedative, or a hypnotic?
Definition
hypnotic
Term
the neurotransmitter precurosr of melatonin is:
Definition
serotonin
Term
neurotransmitter precursor of norepinephrine:
Definition
dopamine
Term
type of therapy used to treat ethylene glycol intoxication:
Definition
ethanol administration
Term
major concern associated with use of large amounts of local anesthetics
Definition
convulsions
Term
acronym for DRG means:
Definition
dorsal root ganglion
Term
valproic acid (depakene) is least likely to be effective treating:
Definition
schizophrenia
Term
allodynia
Definition
normally non-painful stimuli causes pain
Term
MOA of varenicline (chantix)
Definition
has antagonist actions at nicotinic receptors in the brain
Term
another name for grand mal seizure
Definition
tonix clonic seizure
Term
major site of action of phenytoin (diphenylhydantoin, dilantin)
Definition
neuronal sodium channels
Term
site of action wehre Gabapentin (neurontin) acts as an anti-seizure drug as well as an analgesic for tx of chronic pain
Definition
calcium channel
Term
site of action of most local anesthetics is:
Definition
intracellular domain of the neuronal sodium channel
Term
therapeutic indications for phenobarbital:
Definition
status epilepticus, prevention of tonic-clonic seizures, mild sedation, prevention of partial seizures
Term
T/F phenobarbital can reverse benzodiazepine overdose
Definition
FALSE
Term
Most effective drug for status epilepticus
Definition
diazepam (valium)
Term
receptor subclass associated with analgesia
Definition
mu opiod receptor
Term
receptor subclass associated iwth euphoria
Definition
mu opiod
Term
precursor protein for beta-endorphin
Definition
pro-opiomelanocortin
Term
SNRI means:
Definition
serotonin and norepinephrine reuptake inhibitor
Term
Naltrexone (revia) is an:
Definition
opiod antagonist
Term
MOA of ziconitide (prialt)
Definition
blocks N type calcium channels
Term
major second order neuronal pathway that transmits pain input to the brain:
Definition
spinothalamic tract
Term
Ethosuzamide (zarontin) is first line thrapy for
Definition
absence seizures
Term
cocaine has local anesthetic action and also this property which enhances the local anesthetic action:
Definition
powerful vasoconstrictor
Term
an effect of opiod drug use for which tolerance does not occur
Definition
constipation
Term
target of disulfiram (antabuse)
Definition
acetaldhyde dehydrogenase
Term
detoxification of ethanol in the body follows this type of metabolism
Definition
zero order kinetics because it saturates the metabolic enzymes
Term
primary MOA of reserpine
Definition
inhibits monoamine uptake into storage vesicles
Term
antidepressant therapy takes several weeks ot be effective because:
Definition
the buildup of the neurotransmitter in the synapse leads to down-regulation of the receptors
Term
in addition to enkephalins, what other neurotransmitters can act at the level of the spinal cord to diminish pain?
Definition
norepinephrine and serotonin
Term
an example of an endogenous opiod peptide
Definition
enkephalin
Term
rationale for including carbidopa with L-dopa
Definition
carbidopa prevents metabolism of L-dopa to dopamine outside of the brain
Term
rationale for using selegilene (deprenyl, Eldepryl), and MAOI, for parkinson's disease
Definition
inhibits the metabolic degradation of dopamine
Term
in what part of the brain is the deficiency of dopaminergic neurotransmission in parkinson's disease most pronounced?
Definition
striatum
Term
bromocriptine (parlodel) treats:
Definition
parkinson's disease
Term
akathisia
Definition
restlessness
Term
hallmark for tourette's syndrome:
Definition
tics and involuntary utterances
Term
Naltrexone (Revia) treats:
Definition
alcoholism
Term
people taking MPTP developed what syndrome?
Definition
something like parkinson's disease
Term
why was rimonabant (Accomplia) taken off of the market?
Definition
increased suicide risk
Term
the equation showing how much of a drug exists in the ionized state at a certain pH is
Definition
Henderson-Hasselbalch
Term
dispose of fentanyl patches by:
Definition
incineration
Term
type of drug therapy offering unexpected benefit of improved driving performance:
Definition
antidepressants
Term
properties of tramadol (ultram) that contribute to its analgesic properties:
Definition
weak mu opioid receptor agonism and inhibition of norepinephrine and serotonin reuptake
Term
effective for treating mania of bipolar disease:
Definition
quetiapine (seroquel)
Term
T/F all receptors in the spinal cord that inhibit pain transmission work through Gi protein.
Definition
TRUE
Term
loperamide is available without a prescription even though it is an opioid because:
Definition
it doesn't cross the BBB
Term
side effects of anabolic steroids:
Definition
testicular atrophy, gynecomastia, alopecia, prostate enlargement
Term
effects of MDMA (ecstasy) on the brain:
Definition
causes long-term depletion of serotonin
Term
characteristic that determines the longevity of a local anesthetic in teh body:
Definition
whether there is an ester or amide linkage between the lipophilic group and the amine group
Term
amphetamines cause the effects that make them liable for abuse by:
Definition
promoting the release of non-vesicular dopamine
Term
epinephrine is combined with lidocaine as a local anesthetic because:
Definition
the epinephrine slows the systemic distribution of hte lidocaine
Term
increased release of dopamine in the nucleus accumbens with repeated administration of cocaine would be an example of:
Definition
sensitization
Term
the site of action of dextromethorphan that likely explains its abuse potential:
Definition
mu opioid receptor
Term
the 2 major pain transmitting neurotransmitters in the dorsal horn of the spinal cord are:
Definition
glutamate and substance P
Term
the opiod receptor that causes dysphoria is:
Definition
kappa
Term
the plant from which morphine is derived:
Definition
poppy
Term
drug schedule of heroin
Definition
C-I
Term
a drug used to minimuze the severity of the abstinence syndrome after opioid abuse
Definition
clonidine or methadone
Term
NRI
Definition
norepinephrine reuptake inhibitor
Term
activator of TrkA on the afferent terminals of pain neurons:
Definition
neuronal growth factor
Term
first successful SSRI
Definition
fluoxetine
Term
venlafaxine (Effexor) acts:
Definition
on both serotonin and norepinephrine transporters
Term
hyperalgesia
Definition
exaggerated pain response
Term
drug class of chlorpromazine (thorazine)
Definition
phenothiazines
Term
2 observations that challenge the dopamine theory fo schizophrenia
Definition
most effective drugs also have serotonergic receptor blocking; NMDA antagonists are better at causing psychosis than L-Dopa
Term
most troubling side-effect of older antipsychotic drugs is:
Definition
tardive dyskinesia
Term
a troubling side-effect of newer antipsychotics is
Definition
dyslipidemia
Term
2 types of lesions found in alzheimer's disease
Definition
AB plaques and neruofibulary tangles
Term
2 observations supporting the dopamine theory of schizophrenia
Definition
efficacy of D2 antagonists; increased density of dopamine receptors in schizophrenics
Term
the most abused benzodiazepine is:
Definition
alprazolam
Term
class of drugs most abused in the prescription market is:
Definition
opioids
Term
mainstay therapy for parkinson's is
Definition
L-dopa
Term
receptor subtype stargeted for tx in parkinson's disease is:
Definition
D2
Term
neurotransmitter inthe striatum tha tcounteracts the actions of dopamine
Definition
acetylcholine
Term
rationale for using MAOb inhibitor like selegiline for parkinson's
Definition
dopamine hangs out longer
Term
anti-seizure drugs target this receptor subtype:
Definition
GABAa
Term
ion channel most commonly targeted by anti-seizure drugs and what do those drugs do to that ion channel:
Definition
sodium channels are blocked
Term
the type of alcohol most abused is:
Definition
ethanol
Term
the organ that metabolizes alcohol is:
Definition
the liver
Term
receptor subtype viewed as the major target of alcohol is:
Definition
GABAa
Term
drug used to treat alcoholics that blocks aldehyde dehydrogenase activity:
Definition
disulfiram (Antabuse)
Term
major adverse event associated with antidepressant therapy
Definition
suicidality
Term
first line drug tx for manic phase of bipolar disease
Definition
lithium
Term
another name for bipolar disease (old name)
Definition
manic-depressive
Term
oldest class of effective anti-depressants
Definition
MAOIs
Term
2 different drugs from different classes that can effectively treat manic episodes of bipolar disease that are not lithium.
Definition
atypical antipsychotics- zyprexa
anti-seizure - valproic acid
Term
a disease frequently co-morbid with depression
Definition
heart disease
Supporting users have an ad free experience!