100+ Free ABPMR Pain Medicine Practice Questions

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Question 1

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Which type of pain results from direct activation of peripheral A-delta and C fibers by tissue injury or inflammation without nervous system lesion?

Nociplastic pain

Neuropathic pain

Nociceptive pain

Deafferentation pain

to track

2026 Statistics

Key Facts: ABPMR Pain Medicine Exam

~200

Total MCQ Items

ABPMR Pain Medicine Subspecialty Certification Examination

~8 hr

Total Exam Time

1-day computer-based test including breaks

~22-25%

Interventional Weight

Largest domain on 2026 ABPMR Pain Medicine content outline

$2,000

2026 Subspecialty Fee

ABPMR Pain Medicine (verify current)

1 yr

Required Fellowship

ACGME Pain Medicine fellowship

6 boards

Co-Sponsors

ABPMR, ABA, ABPN, ABEM, ABFM, ABR

The ABPMR Pain Medicine exam is a 1-day computer-based test comprising ~200 single-best-answer MCQs over ~8 hours. The 2026 content outline emphasizes interventional procedures (~22-25%), opioid pharmacology and CDC 2022 guideline (~15-18%), neuromodulation (~10-12%), neuropathic pain/CRPS (~10-12%), musculoskeletal/spinal pain (~8-10%), headache (~8-10%), pain mechanisms/assessment (~8-10%), cancer/palliative pain (~5-7%), psychobehavioral/integrative (~5-6%), and special populations/ethics (~5-6%). Subspecialty fee is approximately $2,000; a 1-year ACGME Pain Medicine fellowship is required after primary board certification (ABPMR, ABA, ABPN, ABEM, ABFM, or ABR).

Sample ABPMR Pain Medicine Practice Questions

Try these sample questions to test your ABPMR Pain Medicine exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which type of pain results from direct activation of peripheral A-delta and C fibers by tissue injury or inflammation without nervous system lesion?

A.Nociplastic pain

B.Neuropathic pain

C.Nociceptive pain

D.Deafferentation pain

Explanation: Nociceptive pain arises from actual or threatened damage to non-neural tissue and is due to activation of nociceptors (A-delta sharp/localized; C fiber dull/burning). Neuropathic pain requires a lesion of the somatosensory system. Nociplastic pain (per IASP 2017) arises from altered central processing without tissue or nerve damage (e.g., fibromyalgia).

2According to the gate control theory of Melzack and Wall, activation of which fibers INHIBITS transmission of nociceptive input at the dorsal horn?

A.A-delta fibers

B.C fibers

C.Large-diameter A-beta fibers

D.Postganglionic sympathetic fibers

Explanation: Gate control theory posits that large-diameter myelinated A-beta fibers (light touch, vibration) activate inhibitory interneurons in the substantia gelatinosa that 'close the gate' to nociceptive input from small C and A-delta fibers. This mechanism underlies TENS and some manual therapies.

3Central sensitization in chronic pain is most directly mediated by which receptor-ligand system at the spinal dorsal horn?

A.Glutamate acting on NMDA receptors

B.GABA acting on GABA-A receptors

C.Glycine acting on glycine receptors

D.Norepinephrine acting on alpha-2 receptors

Explanation: Central sensitization (wind-up) is driven by repetitive C-fiber glutamate release onto NMDA receptors after removal of Mg2+ block, resulting in increased intracellular Ca2+, neuronal hyperexcitability, and expansion of receptive fields. Ketamine and memantine are NMDA antagonists targeting this pathway.

4Descending pain modulation originating from the periaqueductal gray (PAG) primarily relays through which brainstem structure before reaching the spinal dorsal horn?

A.Nucleus of tractus solitarius

B.Locus coeruleus only

C.Substantia nigra

D.Rostral ventromedial medulla (RVM)

Explanation: The PAG activates the rostral ventromedial medulla (RVM), which sends serotonergic projections to the dorsal horn to modulate nociception. Locus coeruleus contributes noradrenergic descending inhibition. Endogenous opioid and SNRI analgesia engage this PAG-RVM axis.

5Which neuropeptide released from primary afferent C-fibers contributes to neurogenic inflammation and is the target of migraine monoclonal antibodies?

A.Galanin

B.Vasoactive intestinal peptide (VIP)

C.Neuropeptide Y

D.Calcitonin gene-related peptide (CGRP)

Explanation: CGRP released from trigeminal C-fibers causes vasodilation, plasma extravasation, and mast cell activation, central to migraine pathophysiology. CGRP mAbs (erenumab targets receptor; fremanezumab, galcanezumab, eptinezumab target ligand) and gepants block this pathway.

6Diffuse noxious inhibitory control (DNIC), now termed conditioned pain modulation (CPM), refers to which phenomenon?

A.Repeated noxious stimuli cause progressive pain amplification

B.A heterotopic noxious stimulus reduces perception of a separate nociceptive stimulus

C.Sympathetic activation increases pain in a limb

D.Touch produces pain in the same dermatome

Explanation: DNIC/CPM is the 'pain inhibits pain' phenomenon — a conditioning noxious stimulus (e.g., cold pressor) inhibits a test stimulus at a distant site via descending brainstem pathways. Impaired CPM is seen in fibromyalgia and chronic nociplastic pain states.

7Peripheral sensitization at the nociceptor terminal most prominently involves upregulation and sensitization of which ion channel responsible for heat and capsaicin sensitivity?

A.Nav1.7

B.TRPV1

C.Kv7.2

D.HCN1

Explanation: TRPV1 is the capsaicin and heat (>43 C) receptor on primary afferent nociceptors. Inflammatory mediators (prostaglandins, bradykinin, NGF) sensitize TRPV1 via PKA/PKC phosphorylation, producing hyperalgesia. High-dose (8%) capsaicin patch (Qutenza) defunctionalizes TRPV1-expressing fibers in postherpetic neuralgia.

8The primary ascending pathway for pain and temperature from the spinal dorsal horn to the thalamus is:

A.Spinocerebellar tract

B.Dorsal column-medial lemniscus

C.Lateral spinothalamic tract (anterolateral system)

D.Corticospinal tract

Explanation: Pain and temperature information decussates at the spinal cord level and ascends contralaterally via the lateral spinothalamic tract (part of the anterolateral system) to the VPL nucleus of thalamus, then to somatosensory cortex. Dorsal columns carry light touch, vibration, and proprioception.

9Which pain assessment tool is most appropriate for a nonverbal adult patient with advanced dementia?

A.McGill Pain Questionnaire

B.Numeric Rating Scale (NRS) 0-10

C.Brief Pain Inventory

D.PAINAD (Pain Assessment in Advanced Dementia)

Explanation: PAINAD scores breathing, vocalization, facial expression, body language, and consolability (0-10) and is validated for advanced dementia. CNPI is another option. NRS, BPI, and McGill all require verbal or cognitive communication.

10The DN4 questionnaire is used to screen for:

A.Neuropathic pain

B.Opioid use disorder risk

C.Depression severity

D.Catastrophizing

Explanation: DN4 (Douleur Neuropathique 4) is a 10-item validated screening tool (cutoff >=4) for neuropathic pain. Opioid risk is screened with ORT or SOAPP-R. Depression with PHQ-9. Catastrophizing with Pain Catastrophizing Scale (PCS).

About the ABPMR Pain Medicine Exam

The ABPMR Pain Medicine Subspecialty Certification Examination validates expert-level knowledge in the comprehensive evaluation, diagnosis, and multimodal management of acute, chronic, cancer, and interventional pain. The exam is co-sponsored by ABPMR, ABA, ABPN, ABEM, ABFM, and ABR, and covers pain mechanisms (nociceptive, neuropathic, nociplastic), opioid pharmacology and CDC 2022 prescribing guideline, non-opioid and adjuvant pharmacology, interventional procedures (epidural steroid injection, medial branch block and RFA, SI joint, sympathetic blocks, genicular RFA, chemodenervation, vertebral augmentation), neuromodulation (SCS, DRG, PNS, IDDS), headache disorders, neuropathic pain and CRPS, musculoskeletal/spinal pain, cancer/palliative pain, psychobehavioral and integrative therapies, and special-population/ethical considerations. Requires primary certification plus a 1-year ACGME Pain Medicine fellowship.

Questions

200 scored questions

Time Limit

1-day CBT (~8 hours including breaks)

Passing Score

Criterion-referenced scaled score (ABPMR standard-setting)

Exam Fee

~$2,000 subspecialty certification fee (ABPMR 2026) (American Board of Physical Medicine & Rehabilitation (ABPMR) / Pearson VUE)

ABPMR Pain Medicine Exam Content Outline

~22-25%

Interventional Pain Procedures

Epidural steroid injection (TF vs IL vs caudal; cervical TF vascular risk with particulate steroid), medial branch block and RFA for facet pain (dual diagnostic blocks before denervation), SI joint injection, sympathetic blocks (stellate, lumbar sympathetic, celiac plexus for upper abdominal malignancy, superior hypogastric), genicular RFA, occipital nerve blocks, botulinum A PREEMPT protocol 155 units q12wk for chronic migraine, vertebral augmentation.

~15-18%

Opioid Pharmacology & Prescribing

MME calculations and conversions, CDC 2022 Clinical Practice Guideline (removed hard dose thresholds; <50 MME/day target; tapering principles; does NOT apply to cancer/palliative/sickle cell), opioid rotation (25-50% cross-tolerance reduction), methadone (QTc prolongation, NMDA antagonism, CYP3A4 interactions), buprenorphine partial agonist, fentanyl patch not opioid-naive, tramadol SNRI + μ, tapentadol, naloxone co-Rx, PDMP, urine drug screen (immunoassay vs LC-MS — synthetic opioids need separate assay), opioid-induced hyperalgesia, OUD DSM-5, X-waiver REMOVED 2023 (MAT Act).

~10-12%

Neuromodulation & Implantable Devices

SCS — tonic paresthesia-based vs 10 kHz (HF10 Senza) paresthesia-free vs burst vs DTM vs closed-loop ECAP; indications (FBSS, CRPS, painful diabetic neuropathy, refractory angina, ischemic limb), dorsal root ganglion stimulation for focal CRPS lower limb, peripheral nerve stimulation, intrathecal drug delivery (morphine, hydromorphone, ziconotide, baclofen for spasticity), oral:IT morphine 300:1 and IV:IT 100:1 conversions, trial before implant, granuloma, lead migration, pocket complications.

~10-12%

Neuropathic Pain & CRPS

DN4 screening, post-herpetic neuralgia (gabapentin/pregabalin, TCA, 5% lidocaine patch, 8% capsaicin patch, zoster vaccine prevention), painful diabetic peripheral neuropathy (FDA-approved duloxetine, pregabalin, tapentadol ER), trigeminal neuralgia (carbamazepine/oxcarbazepine first-line; microvascular decompression), CRPS Budapest clinical criteria (1 sign/symptom in 3 of 4 categories for clinical diagnosis; 2 of 4 for research), CRPS I (no nerve injury) vs CRPS II (nerve injury), sympathetically maintained pain, desensitization + PT + pharm + SCS/DRG stim.

~8-10%

Headache Disorders

Migraine with/without aura, chronic migraine (≥15 headache days/mo), medication overuse headache (remove overused abortive — most common cause of worsening migraine), cluster (autonomic, high-flow O2 12-15 L/min, SC sumatriptan), indomethacin-responsive (paroxysmal hemicrania, hemicrania continua), cervicogenic, SUNCT/SUNA, post-traumatic. Preventives — topiramate, amitriptyline, beta-blockers, CGRP mAbs (erenumab/fremanezumab/galcanezumab/eptinezumab), atogepant; abortives — triptans, lasmiditan (ditan), ubrogepant/rimegepant (gepants).

~8-10%

Pain Mechanisms & Assessment

Nociceptive (somatic/visceral) vs neuropathic (dermatomal, DN4 positive) vs nociplastic (fibromyalgia-type, altered central processing), peripheral sensitization (NGF, TRPV1, inflammatory soup), central sensitization (NMDA wind-up, glutamate), gate control theory (Melzack-Wall), ascending spinothalamic tract, descending modulation via PAG-RVM and DNIC/CPM. Assessment tools — VAS/NRS, FLACC (peds), PAINAD/CNPI (dementia), Brief Pain Inventory, McGill, DN4 (neuropathic), Opioid Risk Tool, COMM, PCS.

~8-10%

Musculoskeletal & Spinal Pain

LBP red flags (cauda equina, fracture, infection, malignancy, progressive deficit) — no imaging without red flags or >6 weeks per ACP/AHRQ 2017, lumbar radiculopathy (L4 quad/knee jerk, L5 EHL/foot drop, S1 gastroc/ankle jerk), lumbar spinal stenosis (neurogenic claudication, relieved with flexion, shopping-cart sign), facet-mediated pain (extension + rotation), SI joint (3 of 5 provocative maneuvers — thigh thrust, FABER, Gaenslen, compression, distraction), piriformis syndrome, myofascial trigger points.

~5-7%

Cancer & Palliative Pain

Modified WHO analgesic ladder, breakthrough pain (rapid-onset transmucosal fentanyl), neurolytic blocks — celiac plexus (upper abdominal, pancreatic), superior hypogastric (pelvic), ganglion impar (perineal/rectal), saddle block. Bone pain — NSAIDs, bisphosphonates, denosumab, EBRT, radium-223 for prostate bone mets. IDDS for refractory cancer pain — trial, equianalgesic conversions, ziconotide non-opioid option.

~5-6%

Psychobehavioral & Integrative

CBT, ACT, MBSR, biofeedback, operant conditioning, pain catastrophizing scale (PCS), depression/anxiety/insomnia comorbidity in chronic pain. Complementary — acupuncture (moderate evidence chronic LBP, neck, knee OA, migraine), yoga, tai chi, spinal manipulation per AHRQ/ACP 2017 recommending nonpharmacologic first-line for chronic LBP.

~5-6%

Special Populations & Ethics

Geriatric — Beers criteria (avoid benzos, meperidine, long-acting NSAIDs, muscle relaxants, tertiary TCAs), polypharmacy, fall risk, renal dosing. Pediatric — sickle cell vaso-occlusive crisis (PCA, hydroxyurea, voxelotor, crizanlizumab), pediatric CRPS often responds to intensive PT alone. Legal — informed consent, capacity, Ryan Haight Act (in-person evaluation with telehealth exceptions), PDMP, abuse-deterrent formulations.

How to Pass the ABPMR Pain Medicine Exam

What You Need to Know

Passing score: Criterion-referenced scaled score (ABPMR standard-setting)
Exam length: 200 questions
Time limit: 1-day CBT (~8 hours including breaks)
Exam fee: ~$2,000 subspecialty certification fee (ABPMR 2026)

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

ABPMR Pain Medicine Study Tips from Top Performers

1Master the CDC 2022 Clinical Practice Guideline key changes from 2016: it REMOVED the hard 90 MME/day and 50 MME/day dose thresholds, emphasizing individualized care. It does NOT apply to cancer pain, palliative/hospice care, or sickle cell disease. Tapering should be slow (10% per month) in patients on long-term opioids, with careful monitoring for withdrawal and suicidality. Naloxone should be offered when patients are at increased overdose risk (history of OD, SUD, concurrent benzodiazepines, respiratory conditions, ≥50 MME/day).

2Know opioid rotation math: calculate 24-hour oral morphine equivalent (MME), then convert to the target opioid using equianalgesic tables, then REDUCE by 25-50% for incomplete cross-tolerance, then divide by dosing interval. Methadone conversion is nonlinear (higher doses use more conservative ratios, e.g., 12:1 at >300 mg). Watch for QTc prolongation on methadone — baseline ECG if QTc risk factors. Intrathecal morphine conversion: oral:IT = 300:1, IV:IT = 100:1, epidural:IT = 10:1.

3Urine drug screen pearl: standard opioid immunoassays detect natural opiates (morphine, codeine) but miss many synthetic/semisynthetic opioids. Oxycodone, methadone, fentanyl, and buprenorphine each need SPECIFIC assays. Confirmation by GC-MS or LC-MS is required before acting on unexpected results. Poppy seeds can cause low-level morphine positives. Quinolones cross-react with opiate immunoassays. Sertraline can cause false-positive benzodiazepines.

4CRPS Budapest clinical criteria (IASP 2012): continuing pain disproportionate to inciting event PLUS at least 1 SYMPTOM in 3 of 4 categories (sensory — hyperesthesia/allodynia; vasomotor — temperature/color asymmetry; sudomotor/edema — sweating/edema; motor/trophic — weakness/tremor/dystonia/hair-nail-skin changes) PLUS at least 1 SIGN at time of evaluation in 2 of 4 categories, with no better-explaining diagnosis. CRPS I has no identifiable nerve injury; CRPS II has confirmed nerve injury (formerly causalgia).

5Spinal cord stimulation waveforms to memorize: TONIC paresthesia-based — traditional 40-60 Hz with paresthesia overlap. HF10 (Senza) — 10 kHz paresthesia-free, first FDA label for painful diabetic neuropathy (SENZA-PDN). BURST (Abbott) — paresthesia-free intermittent bursts. DTM (Medtronic) — differential target multiplexed. CLOSED-LOOP ECAP (Saluda Evoke) — measures evoked compound action potentials and adjusts in real time. DRG stimulation (Abbott Proclaim DRG) — FDA-approved for focal CRPS of lower limb (ACCURATE trial superior to tonic SCS).

Frequently Asked Questions

What is the ABPMR Pain Medicine subspecialty certification?

The ABPMR Pain Medicine subspecialty certification is awarded to physicians who demonstrate expert-level knowledge in the comprehensive evaluation and multimodal management of acute, chronic, cancer, and interventional pain. The examination is co-sponsored by ABPMR, ABA (Anesthesiology), ABPN (Psychiatry & Neurology), ABEM (Emergency Medicine), ABFM (Family Medicine), and ABR (Radiology). Scope includes pain mechanisms, opioid and adjuvant pharmacology, CDC 2022 prescribing guideline, interventional procedures (epidurals, RFA, sympathetic blocks), neuromodulation (SCS, DRG, IDDS), headache, neuropathic pain and CRPS, cancer and palliative pain, and psychobehavioral approaches.

Who is eligible to take the ABPMR Pain Medicine exam?

Candidates must hold primary board certification in Physical Medicine and Rehabilitation (ABPMR), Anesthesiology (ABA), Psychiatry & Neurology (ABPN), Emergency Medicine (ABEM), Family Medicine (ABFM), or Radiology (ABR), and must complete 1 year of ACGME-accredited Pain Medicine fellowship training. A valid unrestricted medical license is required. Fellowship includes rotations in interventional pain, inpatient consultation, chronic pain clinic, cancer pain/palliative, and multidisciplinary pain management.

What is the format of the ABPMR Pain Medicine exam?

The exam is a 1-day computer-based examination administered at Pearson VUE test centers, comprising approximately 200 single-best-answer multiple-choice questions over roughly 8 hours including breaks. Question stems frequently include clinical vignettes, fluoroscopic images, MRI/CT, ECG (for methadone QTc scenarios), and device images (SCS generators, IDDS pumps). The blueprint follows the ABPMR Pain Medicine content outline with the largest weights on interventional procedures, opioid pharmacology, and neuromodulation.

How much does the 2026 ABPMR Pain Medicine exam cost?

The 2026 ABPMR Pain Medicine subspecialty certification fee is approximately $2,000 — candidates should confirm current fees on the ABPMR website. Cancellation and refund policies follow the ABPMR schedule with decreasing refunds as the exam date approaches. Continuing Certification (CC) fees apply after passing. Retakes within the qualification window require re-registration and full fee payment.

When is the 2026 exam administered?

ABPMR Pain Medicine is typically offered during a testing window in the fall. Applications generally open in winter with a submission deadline in spring. Candidates schedule specific appointments with Pearson VUE after application approval. Exact 2026 dates should be confirmed on the ABPMR Pain Medicine subspecialty page.

How is the exam scored?

ABPMR uses criterion-referenced scaled scoring with a passing standard set by subject-matter experts. A candidate's pass/fail result depends on performance relative to the fixed cut-score, not on other candidates. Score reports include subdomain performance to guide future learning. Results are typically released within 6-8 weeks after the testing window closes.

What are the highest-yield topics?

Highest-yield topics: CDC 2022 Clinical Practice Guideline (removed hard MME thresholds; does not apply to cancer/palliative/sickle cell), MME calculations and opioid rotation with 25-50% reduction, methadone QTc and drug interactions, urine drug screen interpretation (synthetic opioids need LC-MS), interventional anatomy (cervical TF vascular risk with particulates, lumbar TF safe triangle), medial branch block/RFA protocol, SCS waveforms (tonic vs HF10 vs burst vs DTM vs closed-loop) and indications, CRPS Budapest criteria, PDN pharmacology (duloxetine, pregabalin, tapentadol ER FDA-approved), CGRP mAbs and gepants for migraine, WHO ladder and neurolytic celiac plexus for pancreatic cancer.

How should I study for this exam?

Use a structured 12-18 month plan during and after Pain Medicine fellowship. Lead with interventional procedures (anatomy, indications, complications, evidence) since this is the largest blueprint category, then opioid pharmacology and CDC 2022 guideline, then neuromodulation and IDDS. Master neuropathic pain and CRPS Budapest criteria, headache pharmacology (CGRP mAbs/gepants/ditans), MSK/spinal pain exam, cancer pain and neurolytic blocks. Integrate Bonica's Management of Pain, Essentials of Pain Medicine (Benzon), ASRA guidelines (anticoagulation and interventional pain), SIS practice guidelines, AHRQ/ACP LBP guideline, and a comprehensive MCQ bank. Complete 2-3 full-length timed mock exams.