Pain Test Flashcards
- Which if the following drugs are Schedule II agents?
- Levophanol
- Codeine
- Oxycodone
- Hydrocodone
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
EX
B✔
Codeine is a Schedule V drug
Levophanol, Oxycodone, and Hydrocodone areSchedule II drugs
Hydrocodone recently change from ScheduleIII to II drug October 2014.
- Which of these statements are true about opioid metabolism and clearance?
- Normeperidine toxicity occurs only in patients with decreased creatinine clearances
- Morphine is metabolized to Dextromathorphan, which is an NMDA antagonist
- Morphine-3-Glucuronide can accumulate in patients with decreased creatinine clearance and cause sedation and respiratory depression.
- Myoclonus can occur acutely after continuous administration of meperidine because of accumulation of normeperidine.
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
DX
.B? 4 is true as well
Dextromathorphan is an NMDA antagonist. – Dextromethorphan is an antitussive found in many cough medications
- Methadone
- The d-isomer is an NMDA receptor antagonist
- The l-isomer ia a mu opioid agonist
- Is a Schedule II agent.
- Accumulates in renal failure
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
BX
A✔
Methadone unlike morphine is metabolized through N-demethylation by the liver cytochrome P-450 enzyme (CYP1A2), caution in patients receiving multiple medications, specifically antivirals and antibiotics.
Excreted exclusively in the feces and can be given in patient with renal dysfunction
- With regard to opiate receptors, which of the statements are true?
- At present, there are three principal opiate receptors delta, kappa, and mu, and the actions of agonists_all three are reversed by naloxone.
- The mu opioid receptor has been isolated, cloned, and characterized, and has been shown to be a G protein that acts to hyperpolarize the cell membrane
- The common opiate agonists, such as fentanyl, morphine, and sufentanil, exert their action upon the opioid receptor.
- The drug, buprenorphine, binds to receptors as follows delta, kappa, mu
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
EX
A✔
Opioids have been proposed to inhibit neurotransmitter release by inhibiting calcium entry, by enhancing outward movement of potassium ions, or by inhibiting adenylate cyclase (AC), the enzyme which converts adenosine triphosphate (ATP) to cyclic adenosine monophosphate (cAMP).
- Which of the following statements are generally true about the mechanisms of action of drugs classified as “NSAIDs”?
- Serve to inhibit the synthesis of arachidonic acid metabolites.
- Action has been demonstrated within the spinal cord as well as at s peripheral site.
- COX-2 inhibitors have the same risk of cardiovascular complications as non-selective agents.
- Close correlation between “anti- inflammatory” activity of NSAID and “analgesic” potency.
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
DX
C✔?
- It has been shown that epidural clonidine has analgesic actions. Which of the following statements best characterize this action?
- Clonidine exert its analgesic effects by an interaction with an alpha 2 receptor that is antagonized by naloxone.
- The spinal alpha 2 effect is mediated by a receptor that is coupled by G protein to a K+ channel that serves to increase K+ conductance. This leads to a hyperpolarization of the membrane.
- Transdermal clonidine (TTS) produces more significant hypotension than does epidural clonidine
- Spinally delivered clonidine exerts its hypotensive effects by redistribution to supraspinal systems that result in a reduction in preganglionic outflow.
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
CX
D✔
- An isolated C-5 nerve root lesion typically affects the following muscles:
a. Deltoid, Brachialis, Biceps
b. Triceps, Flexor Carpi Ulnaris, Biceps
c. Deltoid, Supraspinatus, Infraspinatus
d. Deltoid, Brachialis, Pronator teres
e. All of the above
A✔
A✔
- A posterior herniated nucleus pulposus at the L4-5 level most frequently impinges upon the ___ nerve root.
a. L3
b. L4
c. L5
d. S1
e. None of the above
B✔
C
- Fifteen minutes after completing a stellate ganglion block using an anterior approach at C-7 using 12ml of 0.25% Bupivacine without epinephrine administered via a 22-G, 1.5 inch needle, your patient complains of difficulty breathing. Oxygen saturation on room is 95% and heart rate is 72 beats per minute. The most likely diagnosis is:
a. Pneumothorax
b. Recurrent laryngeal nerve block
c. Epidural injection of local anesthetic
d. Unilateral phrenic nerve block
e. None of the above
D?
D✔
- Which of the following intra-abdominal organs is innervated by the celiac plexus?
- Pancreas
- Liver
- Gallbladder
- Omentum
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
E?
E✔
- ______ is proportional to the terminal elimination half-life of an opioid after administration into the lumbar epidural space.
a. pKa
b. Hydrophilicity
c. Hydrophobicity
d. Molecular weight
e. Reynold’s number
BX
bioavailability of opioids in the cerebrospinal fluid and epidural space is determined primarily by their hydrophobicity, with less hydrophobic drugs having greater bioavailability.
- Which of the following opioid- related side effects are similar incidence regardless of whether the opioids are administered via an epidural or systemic route?
- Respiratory depression
- Pruritus
- Nausea and Vomiting
- Urinary retention
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
AX
- With respect to brachial plexus avulsion, which statements are true?
- CT myleography can be used to demonstrate the presence of pseudomeningoceles.
- DREZ lesioning is the treatment of choice
- Avulsion is associated with increased spontaneous activity in dorsal horn neurons
- DREZ lesioning is not associated with a risk of motor impairment.
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
C X
- Which statement are true regarding tic douloreux:
- Most commonly caused by an aneurysmal compression of Cranial Nerve V by the posterior inferior cerebellar artery
- Causes continuous pain most commonly in V1 distribution
- Associated with sensory loss in the painful trigeminal distribution
- The treatment of choice is sub-occipital craniectomy (Janetta procedure)
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
AX
B✔
- With respect to multiple myeloma, which is false?
- It is best detected by bone scan because of its osteoblastic activity.
- Hypercalcemia can occur
- It is most often a polyclonal gammopathy of multiple classes of immunoglobulins
- Often detected by urine electrophoresis by detection of light chains
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
EX
C✔
Bone lesions and hypercalcemia (high blood calcium levels) are also often encountered.
Diagnostic Criteria
Clonal plasma cells >10% on bone marrow biopsy or (in any quantity) in a biopsy from other tissues (plasmacytoma)
A monoclonal protein (paraprotein) in either serum or urine (except in cases of true non-secretory myeloma)
Evidence of end-organ damage felt related to the plasma cell disorder (related organ or tissue impairment, ROTI, commonly referred to by the acronym “CRAB”):
HyperCalcemia (corrected calcium >2.75 mmol/L)
Renal insufficiency attributable to myeloma
Anemia (hemoglobin
- Which of these statements are true regarding spinal cord compression due to tumor?
- Most often due to hematogenous metastases to bone in breast and lung cancer.
- Most cord compression occur in the thoracic cord
- Steroid and radiation therapy are useful therapies
- Loss of primitive reflexes like the “anal wink” is the earliest sign of compression
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
BX
E✔
- Which of the following statements about afferent encoding are true?
- First pain is mediated by C-fiber nociceptor
- First pain is mediated by A-delta nociceptor
- The sensation produced by capsaicin is mediated by TRPV receptors on A- delta axons
- After local inflammation there is an increase in the spontaneous activity of C- fibers.
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
E?
C✔
- The wide dynamic range (WDR) neuron is characterized by the following characteristics
- Discharge frequency proportional to stimulus intensity, from innocuous to noxious✔
- High degree of selectivity for specific modality and organ systems
- Displays windup✔
- Respond primarily to NMDA receptos antagonists, such as Ketamine and Dextromethorphan ✔
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
B?
E ✔?
19. Based on the current thinking about the mechanism of facilitated processing (for example, windup or the "2nd phase of the formation test"), which of the following agents would block the facilitation, but not the primary excitation or first phase? Clonidine (an alpha 1 agonist ) Ibuprofen (a cyclooxygenase inhibitor) L-NAME (a nitric oxide synthetase inhibitor) MK- 801 (an NMDA receptor anatgonist) Morphine (a mu receptor agonist opioid) a. Clonidine, Ibuprofen, L-Name b. Ibuprofen, L-Name, MK-801 c. L-Name, MK 801, Morphine d. Clonidine, MK 801, Morphine e. L-Name, MK 801, Morphine
DX
MK-801 L-Name, Clonidine morphine L- NAME
- All of the following contribute to the mechanism underlying the increased receptor field size after peripheral injury, EXCEPT:
a. Generation of ongoing C fibers activity from the injured dermatome
b. Sensitization of the neurons receiving imput from the injured dermatome
c. Input from collateral projecting from adjacent dermatomes
d. Release of glutamate
e. Sprouting of afferent innervating the adjacent dermatomes
E X
The first major mechanistic insight was that the induction and maintenance of acute activity-dependent central sensitization was dependent on NMDA receptors,379 revealing a key involvement of glutamate and its receptors
- Following nerve injury in humans, there is evidence that components of the pain state may develop a dependency upon sympathetic activity, as evidenced by the reversal of the pain state after sympathetic blockade. This suggests some interaction between sympathetic nervous system and the injured sensory nerve. Which of the following statements best describes our current understanding of the site or mechanism of that interaction?
A. Follow and peripheral nerve injury, there is sprouting of postganglionic sympathetic if efferent into the dorsal root ganglia and into the Neuroma.
B. While injury may cause sympathetic terminal to sprout, there is no physiological evidence that such sprouting affects the spontaneous activity of injured afferents.
C. Injury leads to an increase in sympathetic terminal activity, and this increase in circulating catecholamines accounts for the increased sensory terminal activity
D. Sympathetic blockade actually serves to block transmission in the sympathetic afferent the travels with the sympathetic efferents. It is a blockade of a transmission in these afferent that is in fact accounts for the observed pain relief produced, for example by regional sympathectomies.
E. Peripheral injury lead to an increased sympathetic innervation of spinal dorsal horn, neurons leading to a facilitation of their response to otherwise innocuous stimulation.
D?
A/E ✔?
The key question is how and where does the sympathetic nervous system become coupled to the sensory nervous system to produce the pain observed in the clinical situation? The basic observation must be that activity in the sympathetic nervous system initiates abnormal impulse traffic in sensory neurones that leads to pain perception.
numerous studies demonstrating that peripheral nerve injury leads to sympathetic sprouting in the DRG
- Tactile allodynia is a common component of post nerve injury pain state (causalgia). Based on our current appreciation of the effects produced by nerve injury, which of the following statements describe the mechanism that are believed to account for this allodynia?
- Lost of intrinsic modulation by enkephalinergic projections
- Sprouting of A-beta afferents from Lamina III into Lamina II✔
- Stalk cell degeneration and regeneration into Lamina I
- Loss of dorsal horn GABA/ Glycine modulatory neurons✔
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
D ?
C✔
Understanding of the peripheral and central mechanisms of the mechanical allodynia has been perceived as follows:
1) increased excitability of peripheral and central terminals and their cell bodies, including local paracrine mechanisms; 2) The reduction in inhibition (disinhibition) in the spinal cord (i.e. the decreased inhibitory activity of GABA/glycinergic interneurons;
3) The reorganization of synaptic connections in the spinal dorsal horn (Aβ-afferents sprout into the superficial layer
The allodynia and hyperalgesia associated with neuropathic pain may be best explained by:
1) the development of spontaneous activity of afferent input 2) the sprouting of large primary efferents (eg. A-beta fibers from lamina 3 into lamina 1 and 2),
3) sprouting of sympathetic efferents into neuromas and dorsal root and ganglion cells,
4) elimination of intrinsic modulatory systems and
5) up regulation of receptors in the dorsal horn which mediate excitatory processes
- Which of the following nerves does NOT exhibit the superior orbital fissure?
a. Ophthalmic division trigeminal
b. Oculolmotor
c. Trochlear
d. Maxillary division trigeminal
e. Abducens
C ?
D✔
Lazy French Tarts Sit Nakedly In Anticipation
The order of the nerves passing through the superior orbital fissure from superior to inferior:
L: lacrimal nerve
F: frontal nerve (a branch of the ophthalmic nerve)
T: trochlear nerve (CN IV)
S: superior division of the oculomotor nerve (CN III)
N: nasociliary nerve (a branch of the ophthalmic nerve)
I: inferior division of the oculomotor nerve (CN III)
A: abducens nerve (CN VI)
- A 66-year-old white male presents with deep-seated pain in the tonsillar area triggered by swallowing. Imaging study should include:
a. Foramen spinosum
b. Foramen lacerum
c. Internal acoustic meatus
d. Jugular foramen
e. Hypoglossal canal
E ?
D✔
- Chronic daily headaches is most often associated with:
a. Analgesic rebound
b. Chronic cluster headache
c. Hemicrania continua
d. Orgasmic headache
e. Transformed migraine
E?
E✔
Transformed migraines are chronic (long-lasting), daily headaches that originate from episodic migraine headaches. Most patients who experience transformed migraines have a history of intermittent migraines, usually beginning in childhood or early adolescence. The onset of daily transformed migraine headaches generally occurs in people during their 20s and 30s.
- All of the following are indomethacin responsive headaches EXCEPT:
a. Hemicrania continua ✔
b. Paroxysmal hemicrania ✔
c. Ice pick headache ✔
d. Sexual headache
e. Transformed migraine
D ?
E ✔
Indomethacin-responsive headache syndromes represent a unique group of primary headache disorders characterized by a prompt and often complete response to indomethacin to the exclusion of other nonsteroidal anti-inflammatory drugs and medications usually effective in treating other primary headache disorders. Because these headache disorders can easily be overlooked in clinical practice, they likely are more common than previously recognized. Indomethacin-responsive headache syndromes can be divided into several distinct categories: a select group of trigeminal-autonomic cephalgias, valsalva-induced headaches, and primary stabbing headache (ice-pick headache or jabs and jolts syndrome). Each category can be differentiated clinically and by the extent to which the individual headache disorders respond to indomethacin. The paroxysmal and continuous hemicranias invariably respond in an absolute manner to indomethacin, whereas valsalva-induced and ice-pick headaches may respond in an equally dramatic, but somewhat less consistent fashion. Hypnic headache recently has been described as another primary headache disorder that may respond to indomethacin.
- The most commonly involved trigeminal dermatomes and Trigeminal neuralgia are:
a. I
b. II
c. III
d. II & III
e. I & III
E ?
D ✔
- A 24-year-old female presents with flashing pain lasting 5 to 10 seconds many times daily and the ophthalmic division of the right trigeminal distribution. The most likely diagnosis is:
a. Trigeminal neuropathy
b. Diabetic Neuropathy
c. Multiple Sclerosis
d. Raeder’s Syndrome
e. Cavernous sinus thrombosis
A?
C ✔
- The following plexus involve sensory fibers that transmit nociceptive and Paul says from the uterus and cervix:
a. Pudendal nerves
b. Pelvic plexus
c. Superior hypogastric plexus
d. Celiac plexus
e. greater and lesser splanchnic nerves
B ✔
- Which of the following Peripheral nerves are associated with the appropriate nerve root of origin?
- Ilioinguinal T12-L1
- Obturator L2-L4
- Genitofemoral L1-2
- Iliohypogastric T12- L1
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
E ✔
- The most common gynecological cause of chronic pelvic pain is:
a. Primary dysmenorrhea
b. Endometriosis
c. Ovarian remnant syndrome
d. Adenomyosis
e. Salpingo- oophoritis
B ✔
- MRI with contrast should be obtained to visualize what pathologic processes?
- Infections
- Disk herniatoins
- Cancer
- Abnormal CSF Flow
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
B X
E✔
- Features associated with lumbar spine stenosis are:
- Age> 50 years old
- Neurogenic claudication
- Decreased pain with flexion of the spine
- Loss of proprioception
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
A X
E ✔
Romberg’s test is not a test of cerebellar function, as it is commonly misconstrued. Patients with cerebellar ataxia will, generally, be unable to balance even with the eyes open;[6] therefore, the test cannot proceed beyond the first step and no patient with cerebellar ataxia can correctly be described as Romberg’s positive. Rather, Romberg’s test is a test of the proprioception receptors and pathways function. A positive Romberg’s test has been shown to be 90% sensitive for lumbar spinal stenosis.
The Romberg test is a test of the body’s sense of positioning (proprioception), which requires healthy functioning of the dorsal columns of the spinal cord
- Which one of the following statements about pain in multiple sclerosis patient is NOT true?
A. it’s almost always related to spasticity.
B. Central pain has a high incidence.
C. Burning pain it’s quite common.
D. Trigeminal neuralgia may occur in the first division of the trigeminal. ✔
E. Lhermitte’s Sign is a painful electric shock sensation going down the spine, often brought on by neck or trunk flexion. ✔
C X
Central pain is thus an important symptom in MS (around 30%) and causes much suffering
The sign suggests a lesion of the dorsal columns of the cervical cord or of the caudal medulla. Although often considered a classic finding in multiple sclerosis, it can be caused by a number of conditions,
- The best prophylaxis against development of the phantom limb phenomenon is:
a. Therapeutic bombardment of the limb pre-operatively
b. Cingulotomy
c. A course of steroids intrathecally
d. Topiramate pre-op
e. Amitriptyline pre-op
E X
- A patient presents with back pain accompanied by unexplained fever, episodic infection, bloody stool and urine. The history revealed several admissions for similar problems. The nurses’ notes indicate the discovery of contaminated syringe in the trash can. One should have a high index of suspicion for:
- Bordeline personality
- Factitious disorder
- Major depression with psychotic features
- Muchausen Syndrome
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
C X
C ✔?
- Altered patterns of sleep, decreased energy, appetite, and conversation, when found in combination with pain are most likely to indicate:
- Panic disorder
- Somatization disorder
- Malingering
- Depression
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
D X
D✔?
- Which are features of discography?
- Manometry of disc pressure on injection
- Determination of concordant or discordant pain
- Interpretation of contrast image of injected disc
- Injection of steroids into disc
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
A ✔
39 . Disease states that have been definitely shown to respond to Botulinum toxin Serotype A injection include:
- Cervical dystonia
- Headache
- Spasticity
- Cervical Myofascial Pain
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
A ✔
- Polymyalgia Rheumatica
- Is a disease of the young
- Can be associated with temple arteritis and blindness
- Is associated with a normal erythrocyte sedimentation rate
- Is usually very responsive to systemic steroids
a. 1,2,3 only
b. 1,3 only
c. 2,4 only
d. 4 only
e. All are correct
A ?
C ✔
Most people who develop polymyalgia rheumatica are older than 65. It rarely affects people younger than 50.
Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) are linked inflammatory conditions that affect different parts of the body