peer support mcqs and saqs
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Peer Support MCQs and SAQs. Pain and Pain Pharmacology. I thought some of you might like a few practice questions. The answers are just a guideline. If you play as a presentation the answers and some explanation will come up. What is hyperalgesia ? [1]. - PowerPoint PPT PresentationTRANSCRIPT
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Peer SupportMCQs and SAQsPain and Pain Pharmacology
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I thought some of you might like a few practice questions. The answers are just a guideline.If you play as a presentation the answers and some explanation will come up
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What is hyperalgesia? [1]
Exaggerated pain response to a noxious stimuli
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What is allodynia? [1]Pain resulting from a stimulus which would not normally cause pain
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Which of the following can be used to treat neuropathic pain?a. Morphine
b. Amytriptylinec. Gabapentin d. Both a and ce. Both b and c
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First order neurones in the pain pathway can travel
between spinal segments in which tracts?
a. Rubrospinal b. Lissaursc. Thalamicd. Vestibulospinale. Corticospinal
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Explain why syringomyelia can lead
to loss of pain sensation? [2]Expansion of the spinal canal
Compression of the 2nd order neurones of the pain pathway as they decussate in front of the spinal canalLeads to bilateral loss of sensation
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Pain from the face is detected by which
nerve?a. Trigeminalb. Facialc. Glossopharyngeald. Accessorye. Hypoglossal
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Nociceptors are present on the free endings of sensory neurones. In what system
are they not found? a. Respiratory systemb. Gastrointestinal Systemc. Musculoskeletal Systemd. Central Nervous Systeme. Cardiovascular system
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Explain how prostaglandin release
causes pain? [3]Arachidonic acid released due to injuryConverted by cyclo-oxygenases to form prostaglandinsProstaglandins bind to prostanoid receptors on the surface of neurones leading to sensitization of the nerve cell
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Which of the following statements is correct?As C fibres are unmyelinated their conduction of pain is fast Aδfibres are responsible for the “ouch” type painC fibres are responsible for the “ouch” type painAδfibres are unmyelinated and their conduction of pain is slowC fibres transmit a signal at 0.5-2m/s
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What is phantom limb pain? [1]
Pain felt in a limb that is no longer present is thought to be a result of activation of fibres that remain within the limb stump. As these are still mapped to the same regions in consciousness their activation will give rise to the sensation of pain where there is no limb
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What class does Ibuprofen belong to? [1]
Propionic Acid
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Which COX enzyme is involved in
inflammation?a. COX 1b. COX2c. COX3d. Both a and be. None of the above
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Give THREE clinical uses of NSAIDs? [3]
Anti-inflammation
Anti-pyretic
Analgesic
Anti-coagulant
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Give an example of a COX2 inhibitor? [1]
CelecoxibEtoricoxibParecoxib
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Apart from GI upset give FOUR side-effects
of NSAIDs [4] CV incidents:
thrombosis Headache Dizziness Insomnia Nervousness Depression Vertigo
Tinnitus Photosensitivity Renal Impairment Hypertension Hypersensitivity: skin
rashes and eruptions, angioedema, bronchospasm
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Mrs K has been taking high doses of NSAIDs for three months. She has
presented with tinnitus and apnoea.i. What do you think is wrong with Mrs K?
[1]ii. Give TWO other symptoms she could
also have? [2] i. Salicylismii.
Auditory (ototoxicity, deafness)Pulmonary (aspiration pneumonitis, pulmonary oedema, alkylosis, respiratory arrest)Cardiovascular (tachycardia,hypotension, asystole, dysrhythmias)CNS (depression, seizure, encephalopathy, delirium, hallucinations)GI (pancreatitis, hepatitis (rare in acute cases))Renal FailureComa
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Which of the following is not an opioid
receptor?a. ORL1b. μc. δd. κe. γ
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What are the three grades of opioid
activity? [3] Give an example of each? [3]Pure agonists, full agonist activity,
may have strong (e.g. morphine, diamorphine, tramadol) or weak activity (e.g. codeine, dihydrocodeine)
Partial agonists/mixed agonist-antagonist (e.g. nalorphine, pentazocine, buprenorphine)
Antagonists (e.g.naloxone, naltrexone)
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Give FOUR clinical uses of opioids? [4]
AnalgesiaAnaesthesiaAntitussiveAntidiarrhealCoronary CareCancer Care
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How do opioids work? [3]
Opioids decrease neuronal transmission by:
Decreasing opening of VDCC
Decreasing CA2+ release from intracellular stores
Increasing K+ outflow via KATP and KIR channels
Decreasing exocytosis
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Give FOUR side-effects of opioids? [4]
Respiratory depression
Conscious depression/mood alterations
Miosis
Reduced gastric motility
Nausea and vomiting
Smooth muscle spasm
Anaphylaxis
Psychiatric changes (e.g. Pentazocine, Tramadol)
Tolerance and dependancy – addiction/withdrawal
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Mr D is a 23 year old presenting to A&E. It is thought he has taken an
opioid overdose. List the treatment that you would
administer. [4]NaloxoneO2GlucoseThiamine “Coma Cocktail”
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Define tolerance and dependency? [2]
Tolerance: decreasing effect of drug following repeated admin: require increasing dose to obtain effectDependency: psychological and physiological components, through reinforcement of positive effects (euphoria, sedation)
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Give FOUR symptoms of withdrawal from
opioids? [4]DysphoriaNausea and vomitingMuscle crampsLacrimationRhinorrhea
Pupillary dilationPiloerectionSweatingDiarrhoeaFeverYawning
InsomniaAnxietyTachycardiaTremor
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Miss L is a 28 year old with a history of drug abuse. She tells you that she really wants to quit and has been looking into organisations that might be able to help
her. What are the stages of the transtheoretical model of change and which stage is Miss L in? [3]
Pre-contemplationContemplationPreparationActionMaintenanceTerminationPatient is in Preparation as she is actively looking into treatment but has not yet stopped.