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Free Practice Questions for Iraqi Board Neurosurgery

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Key Facts: Iraqi Board Neurosurgery Exam

IBMS / MOHESR

Governing Body & Ministry

Iraqi Board for Medical Specializations

5 Years

Residency Training Duration

IBMS Neurosurgical Curriculum 2025

60% / 70%

Pass Criteria (Paper / Mean)

IBMS Examination Regulations

100 MCQs

Practice Bank Study Items

OpenExamPrep

The Iraqi Board of Neurosurgery (IBMS/MOHESR) qualification involves a 5-year residency assessed by the Primary Written Exam (end of Year 1; two MCQ papers), Mid Clinical Exam (Year 3; long and short cases), and Final Examination (end of Year 5; Section 1 written MCQ and short essay papers, Section 2 clinical slide exam, OSCE, oral viva, and thesis defense). Written pass criteria require 60% per paper and a 70% composite average. This independent 100-question MCQ practice bank supports preparation for the theoretical written papers of Part 1 and Part 2; it is not an operative simulation or a substitute for accredited clinical residency training.

Sample Iraqi Board Neurosurgery Practice Questions

Try these sample questions to review concepts for the Iraqi Board Neurosurgery exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1According to the Monro-Kellie doctrine, which of the following best describes the volumetric distribution of the intracranial vault contents in a healthy adult under normal physiological conditions?
A.Brain parenchyma ~80%, Cerebrospinal fluid (CSF) ~10%, Intravascular blood ~10%
B.Brain parenchyma ~60%, Cerebrospinal fluid (CSF) ~25%, Intravascular blood ~15%
C.Brain parenchyma ~70%, Cerebrospinal fluid (CSF) ~20%, Intravascular blood ~10%
D.Brain parenchyma ~85%, Cerebrospinal fluid (CSF) ~5%, Intravascular blood ~10%
Explanation: The Monro-Kellie doctrine states that the rigid cranial vault contains three fixed components: brain parenchyma (approximately 80%), cerebrospinal fluid (approximately 10%), and intracranial blood volume (approximately 10%). Any increase in the volume of one component must be compensated by a reciprocal decrease in the volume of the others, primarily through CSF displacement into the spinal theca and venous blood extrusion.
2A 28-year-old man sustains blunt lateral head trauma at the pterion. Non-contrast CT reveals an acute epidural hematoma underlying the fracture. Which vascular structure traversing the foramen spinosum is the primary source of this hemorrhage?
A.Superficial temporal artery
B.Middle meningeal artery
C.Accessory meningeal artery
D.Internal maxillary vein
Explanation: The middle meningeal artery (a branch of the maxillary artery) enters the middle cranial fossa through the foramen spinosum and courses along the inner table of the temporal and sphenoid bones beneath the pterion. Fractures involving the thin bones of the pterion frequently lacerate the anterior division of the middle meningeal artery, leading to rapid arterial bleeding and an acute epidural hematoma.
3During a skull base approach exposing the cavernous sinus, which cranial nerve is situated freely within the venous lumen adjacent to the internal carotid artery, rather than embedded within the fibrous lateral dural wall?
A.Oculomotor nerve (CN III)
B.Trochlear nerve (CN IV)
C.Ophthalmic division of trigeminal nerve (CN V1)
D.Abducens nerve (CN VI)
Explanation: The abducens nerve (CN VI) traverses Dorello's canal beneath the petrosphenoidal ligament (Gruber's ligament) and runs freely through the center of the cavernous sinus, situated lateral to the cavernous segment of the internal carotid artery and surrounded by venous blood. In contrast, cranial nerves III, IV, V1, and V2 are embedded in descending order within the fibrous lateral wall of the cavernous sinus.
4During a retrosigmoid craniotomy for vestibular schwannoma resection, the neurosurgeon identifies the fundus of the internal acoustic meatus (IAM). Which anatomical structure lies in the anterosuperior quadrant of the IAM fundus?
A.Facial nerve (CN VII)
B.Cochlear nerve
C.Superior vestibular nerve
D.Inferior vestibular nerve
Explanation: The fundus of the internal acoustic meatus is partitioned into four quadrants by the horizontal falciform crest (crista falciformis) and the vertical transverse ridge known as Bill's bar. The classic mnemonic 'Seven-up, Coke down' denotes that the facial nerve (CN VII) occupies the anterosuperior quadrant, the cochlear nerve occupies the anteroinferior quadrant, the superior vestibular nerve lies posterosuperiorly, and the inferior vestibular nerve lies posteroinferiorly.
5In a healthy adult with intact cerebrovascular autoregulation, cerebral blood flow (CBF) remains relatively constant at approximately 50 mL/100g/min across which range of mean arterial pressure (MAP)?
A.30 to 110 mmHg
B.50 to 150 mmHg
C.70 to 180 mmHg
D.80 to 200 mmHg
Explanation: Under normal physiological conditions, cerebral autoregulation maintains constant cerebral blood flow (around 50 mL/100g brain tissue/min) across a mean arterial pressure (MAP) range of 50 to 150 mmHg. Below a MAP of 50 mmHg, arteriolar vasodilation is maximal and CBF falls passively, risking cerebral ischemia; above 150 mmHg, breakthrough vasoconstriction occurs, predisposing to vasogenic edema and hyperperfusion injury.
6During an endoscopic intraventricular colloid cyst resection, which anatomical structures define the anterior and posterior boundaries of the foramen of Monro?
A.Anterior: Column of the fornix; Posterior: Anterior tubercle of the thalamus
B.Anterior: Anterior tubercle of the thalamus; Posterior: Column of the fornix
C.Anterior: Choroid plexus; Posterior: Stria terminalis
D.Anterior: Septum pellucidum; Posterior: Thalamostriate vein
Explanation: The foramen of Monro connects each lateral ventricle to the third ventricle. Its boundaries are the column of the fornix anteriorly and the anterior tubercle of the thalamus posteriorly. Superiorly lies the roof formed by the body of the fornix, and inferiorly lies the choroid plexus with the thalamostriate vein terminating into the internal cerebral vein at the venous angle.
7A neurosurgical resident assesses a patient with expanding intracranial mass effect who exhibits Cushing's triad. Which combination of clinical signs constitutes this classic physiological response to severe intracranial hypertension?
A.Hypotension, tachycardia, and Cheyne-Stokes respiration
B.Hypertension, bradycardia, and irregular/depressed respirations
C.Hypertension, tachycardia, and central hyperventilation
D.Hypotension, bradycardia, and pupillary constriction
Explanation: Cushing's triad consists of systemic hypertension (with widened pulse pressure), bradycardia, and respiratory irregularity or depression. It is a life-threatening physiological reflex caused by brainstem distortion and ischemia, triggering sympathetic outflow to elevate systemic perfusion followed by baroreceptor-mediated parasympathetic bradycardia.
8In deep cerebral venous drainage, the great cerebral vein (vein of Galen) is formed by the union of which paired veins?
A.Basal veins of Rosenthal and internal cerebral veins
B.Thalamostriate veins and septal veins
C.Superficial middle cerebral veins and superior petrosal veins
D.Inferior sagittal sinus and straight sinus
Explanation: The great cerebral vein (vein of Galen) is formed beneath the splenium of the corpus callosum by the confluence of the two internal cerebral veins and the two basal veins of Rosenthal. It then receives venous tributaries from the tectum and cerebellum before uniting with the inferior sagittal sinus to form the straight sinus within the tentorium cerebelli.
9What is the normal rate of cerebrospinal fluid (CSF) production in a healthy adult, and what is the typical total volume contained within the subarachnoid space and ventricles at any one time?
A.Production ~200 mL/day; total volume ~50 mL
B.Production ~500 mL/day (~0.35 mL/min); total volume ~150 mL
C.Production ~1000 mL/day (~0.70 mL/min); total volume ~300 mL
D.Production ~100 mL/day (~0.07 mL/min); total volume ~100 mL
Explanation: In adults, CSF is produced predominantly by the choroid plexuses at a rate of approximately 20 mL/hour (about 0.35 mL/min, totaling 450 to 500 mL/day). The total normal circulating volume within the ventricles (~25 mL) and subarachnoid space (~125 mL) is approximately 140 to 150 mL, meaning total CSF volume turns over roughly 3 to 4 times per 24 hours.
10According to the 2021 WHO Classification of Tumors of the Central Nervous System, which molecular diagnostic feature is mandatory to establish the diagnosis of an oligodendroglioma, IDH-mutant?
A.Concomitant whole-arm codeletion of chromosomes 1p and 19q
B.Loss of nuclear ATRX expression and TP53 mutation
C.EGFR gene amplification and TERT promoter mutation
D.BRAF V600E point mutation
Explanation: Under the WHO 2021 CNS classification, adult diffuse gliomas are classified molecularly. An oligodendroglioma requires both an IDH1 or IDH2 mutation and the whole-arm codeletion of chromosomes 1p and 19q (1p/19q codeletion). In contrast, IDH-mutant diffuse astrocytomas typically display intact 1p/19q, nuclear ATRX loss, and TP53 mutations.

About the Iraqi Board Neurosurgery Exam

The Fellowship of the Iraqi Board for Medical Specializations in Neurosurgery (F.I.B.M.S.) is the national terminal professional qualification for neurosurgeons in Iraq, granted by the Iraqi Board for Medical Specializations (IBMS) under the Ministry of Higher Education and Scientific Research (MOHESR). The comprehensive five-year curriculum encompasses cranial trauma, neuro-oncology, skull base surgery, vascular and endovascular neurosurgery, pediatric neurosurgery, functional and stereotactic surgery, spinal trauma and reconstruction, and peripheral nerve surgery. Important disclosure: The complete FIBMS credential requires five years of hands-on surgical training, an attested operative logbook, an approved scientific research thesis, and rigorous clinical/oral viva examinations, which cannot be simulated through multiple-choice questions. This 100-question multiple-choice practice bank is an independent English-language educational study resource designed to reinforce theoretical medical and surgical knowledge for the Part 1 (Primary) and Part 2 (Final Written) examinations. It is not an official IBMS examination, does not provide operative simulation, and is not a substitute for formal accredited clinical residency training. The Iraqi Board publishes the neurosurgery curriculum and its reference list in English; it does not publish the language in which the examination papers are set.

Exam sponsor: Scientific Council of Neurosurgery, Iraqi Board for Medical Specializations (المجلس العراقي للاختصاصات الطبية — المجلس العلمي لاختصاص الجراحة العصبية). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

The Iraqi Board of Neurosurgery follows a rigorous five-year structured postgraduate training curriculum administered by the Scientific Council of Neurosurgery under the Iraqi Board for Medical Specializations (IBMS) and the Ministry of Higher Education and Scientific Research (MOHESR). The assessment pathway comprises three key examination stages: 1) The Primary Examination, conducted at the end of the first year, consisting of two machine-marked written papers in single-best-answer MCQ format (Paper 1: Applied Basic Neurosciences including neuroanatomy, neurophysiology, and neuropathology; Paper 2: Principles of Neurosurgery; requiring a minimum pass mark of 60% per paper and an aggregate composite average of 70%, with a maximum of 4 attempts permitted). 2) The Mid Examination, held during the third year, consisting of clinical assessments comprising a long case assessment (full history, examination, and management discussion) and short cases assessment (neurological examination and differential diagnosis). 3) The Final Examination, conducted at the end of the five-year residency program, organized into two sections: Section 1 is a comprehensive written examination composed of Paper 1 (100 single-best-answer MCQs) and Paper 2 (Short-answer essay questions), requiring 60% per paper and a 70% composite average to gain eligibility for Section 2; Section 2 is the clinical component consisting of three parts: Slide examination (30% weight), Objective Structured Clinical Examination / OSCE (30% weight), and Oral examination / viva voce (40% weight), where candidates must attain at least 50% in each individual part and an overall combined mark of at least 70%. In addition, candidates must complete an attested operative surgical logbook and defend a scientific research thesis approved by an assigned examination committee.

Time Limit

Typically 2 to 3 hours per written paper as scheduled by the Scientific Council

Passing Score

Minimal pass mark of 60% for each paper and 70% composite average across papers

Exam / Certification Fees

Prescribed by Iraqi Board for Medical Specializations / MOHESR regulatory bylaws

Exam sponsor website

Reported exam pass rate: Minimal pass mark 60% per paper, 70% composite average across papers. Candidates must achieve at least 60% on each individual written paper and an aggregate composite average of at least 70% across both papers. In the Final Clinical Examination (Section 2), candidates must achieve at least 50% in each part (Slide exam, OSCE, Oral viva) and an aggregate average of at least 70% across all three parts. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

Surgical Neuroanatomy, Neurophysiology, Neuropathology & ICP Dynamics

Detailed surgical neuroanatomy of the cranium, ventricular system, skull base, circle of Willis, and spine; cranial nerve courses and brainstem nuclei; neurophysiology of cerebral autoregulation, blood-brain barrier, cerebrospinal fluid dynamics, and intracranial pressure monitoring; neuropathology of primary central nervous system neoplasms, WHO grading criteria, molecular markers (IDH, 1p/19q, MGMT), and basic surgical wound healing.

22%

Neurotrauma & Neurocritical Care

Pathophysiology and emergency triage of traumatic brain injury (TBI); management of acute epidural hematomas, acute and chronic subdural hematomas, traumatic intracerebral contusions, and traumatic subarachnoid hemorrhage; linear, depressed, and skull base fractures; penetrating and missile head injuries; multimodality neurocritical monitoring (ICP, CPP, PbtO2); medical management of intracranial hypertension; spinal cord trauma resuscitation and stabilization; and brain death determination.

20%

Neuro-oncology & Skull Base Surgery

Diagnostic evaluation, surgical indications, and microsurgical approaches for adult and pediatric brain tumors; supratentorial diffuse astrocytomas, oligodendrogliomas, and glioblastomas; meningiomas (convexity, parasagittal, sphenoid wing, petroclival); vestibular schwannomas and cerebellopontine angle approaches; sellar and suprasellar pathology (pituitary neuroendocrine tumors, craniopharyngiomas, Rathke cleft cysts); posterior fossa and intraventricular tumors; metastatic brain disease; and stereotactic radiosurgery principles.

20%

Vascular Neurosurgery & Pediatric Neurosurgery

Etiology, natural history, Hunt-Hess and Fisher grading, and microvascular clipping versus endovascular coiling of intracranial aneurysms; cerebral vasospasm management; brain arteriovenous malformations (Spetzler-Martin classification), cavernous malformations, and dural arteriovenous fistulas; hydrocephalus pathophysiology, ventriculoperitoneal shunt mechanics, and endoscopic third ventriculostomy (ETV); pediatric dysraphism including myelomeningocele repair and tethered cord; Chiari malformations; and craniosynostosis syndromes.

18%

Spine Surgery & Peripheral Nerves

Cervical, thoracic, and lumbar spine biomechanics, degenerative disc disease, radiculopathy, and spondylotic myelopathy; anterior cervical discectomy and fusion (ACDF), posterior cervical laminoplasty, and lumbar microdiscectomy; spinal instrumentation (pedicle screws, lateral mass screws, interbody cages); primary and metastatic spinal column tumors; spinal cord neoplasms (schwannomas, meningiomas, ependymomas, astrocytomas); and peripheral nerve entrapment syndromes (carpal tunnel, cubital tunnel), trauma, and microsurgical nerve repair.

Preparing for the Iraqi Board Neurosurgery Exam

What You Need to Know

  • Passing score: Minimal pass mark of 60% for each paper and 70% composite average across papers
  • Assessment: The Iraqi Board of Neurosurgery follows a rigorous five-year structured postgraduate training curriculum administered by the Scientific Council of Neurosurgery under the Iraqi Board for Medical Specializations (IBMS) and the Ministry of Higher Education and Scientific Research (MOHESR). The assessment pathway comprises three key examination stages: 1) The Primary Examination, conducted at the end of the first year, consisting of two machine-marked written papers in single-best-answer MCQ format (Paper 1: Applied Basic Neurosciences including neuroanatomy, neurophysiology, and neuropathology; Paper 2: Principles of Neurosurgery; requiring a minimum pass mark of 60% per paper and an aggregate composite average of 70%, with a maximum of 4 attempts permitted). 2) The Mid Examination, held during the third year, consisting of clinical assessments comprising a long case assessment (full history, examination, and management discussion) and short cases assessment (neurological examination and differential diagnosis). 3) The Final Examination, conducted at the end of the five-year residency program, organized into two sections: Section 1 is a comprehensive written examination composed of Paper 1 (100 single-best-answer MCQs) and Paper 2 (Short-answer essay questions), requiring 60% per paper and a 70% composite average to gain eligibility for Section 2; Section 2 is the clinical component consisting of three parts: Slide examination (30% weight), Objective Structured Clinical Examination / OSCE (30% weight), and Oral examination / viva voce (40% weight), where candidates must attain at least 50% in each individual part and an overall combined mark of at least 70%. In addition, candidates must complete an attested operative surgical logbook and defend a scientific research thesis approved by an assigned examination committee.
  • Time limit: Typically 2 to 3 hours per written paper as scheduled by the Scientific Council
  • Exam / certification fees: Prescribed by Iraqi Board for Medical Specializations / MOHESR regulatory bylaws Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
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Iraqi Board Neurosurgery: Suggested Study Strategy

1Master high-yield surgical neuroanatomy: Focus on cranial base foramina and contents, cavernous sinus anatomy, circle of Willis relationships, and internal capsule and brainstem tracts using Snell's and Rhoton's microsurgical anatomy.
2Review the Brain Trauma Foundation (BTF) guidelines thoroughly: Know exact thresholds for ICP monitoring, intracranial hypertension management tiers (hyperosmolar therapy, sedation, paralysis, decompressive craniectomy), and cerebral perfusion pressure (CPP) targets of 60–70 mmHg.
3Integrate the latest WHO Classification of CNS Tumors: Emphasize molecular markers such as IDH mutation, 1p/19q codeletion, MGMT promoter methylation, and histone H3 mutations alongside classical histopathological findings.
4Understand cerebrovascular emergency algorithms: Memorize aneurysm rupture management, Hunt-Hess and Fisher scales, early microvascular clipping versus endovascular coiling criteria, nimodipine therapy, and delayed cerebral ischemia prevention.
5Study spinal pathology systematically: Differentiate radiculopathy from myelopathy, review cervical and lumbar surgical indications, master spinal cord injury stabilization (subaxial cervical spine injury classifications like SLIC and TLICS), and learn peripheral nerve entrapment anatomy.

Frequently Asked Questions

What credential and governing body oversee the Iraqi Board of Neurosurgery?

The neurosurgical specialty training program in Iraq is governed by the Scientific Council of Neurosurgery under the Iraqi Board for Medical Specializations (IBMS / المجلس العراقي للاختصاصات الطبية), which operates under the authority of the Ministry of Higher Education and Scientific Research (MOHESR). Successful graduates of the five-year residency who satisfy all written, clinical, operative logbook, and thesis requirements are awarded the Fellowship of the Iraqi Board for Medical Specializations (F.I.B.M.S.) in Neurosurgery.

What is the assessment structure for the Iraqi Board of Neurosurgery?

Assessment consists of three major examination milestones across the five-year program: 1) The Primary Examination at the end of Year 1, consisting of two written MCQ papers covering applied basic sciences (neuroanatomy, neurophysiology, neuropathology) and principles of neurosurgery. 2) The Mid Examination during Year 3, evaluating clinical skills through long-case history and management discussion and short-case neurological examinations. 3) The Final Examination at the end of Year 5, consisting of Section 1 (Paper 1: 100 MCQs; Paper 2: Short essay questions) and Section 2 (Clinical component: Slide exam 30%, OSCE 30%, Oral viva 40%), along with formal evaluation of the operative surgical logbook and scientific research thesis defense.

What are the passing scores and attempt limits for the written and clinical exams?

In both the Primary Examination and the Final Written Examination (Section 1), candidates must achieve a minimum score of 60% on each individual paper and an aggregate composite average of at least 70% across papers. In the Final Clinical Examination (Section 2), candidates must achieve at least 50% in each individual part (Slide exam, OSCE, Oral viva) and an overall combined average of at least 70%. Candidates are allowed a maximum of 4 attempts for the Primary Examination. For the Final Examination, candidates have a maximum of 4 attempts; if unsuccessful, they may sit 1 trial for the primary exam, and if successful receive 2 further trials in the final examination before termination from the program.

In what language are the Iraqi Board neurosurgery examinations conducted?

The Iraqi Board for Medical Specializations publishes this council's curriculum, syllabus and reference list in English, and English-language proficiency appears among the admission requirements set by the Ministry. The council's published curriculum does not, however, contain any statement of the language in which the examination papers themselves are set, so no language of assessment is asserted here. The council's reading list is made up of standard English-language neurosurgical references. This site is an independent English-language study resource and is not affiliated with, endorsed by, or connected to the Iraqi Board for Medical Specializations; candidates should confirm the language of their sitting directly with their Scientific Council.

Does this 100-question practice test simulate operative surgery or replace residency training?

No. Board certification in neurosurgery requires five years of intensive operative training, hundreds of surgical procedures recorded in an attested logbook, thesis defense, bedside clinical evaluations, and oral viva voce examinations. This independent 100-question multiple-choice practice bank is purely an academic learning resource designed to reinforce theoretical medical knowledge, neuroanatomy, diagnostic algorithms, and clinical guidelines tested in the Part 1 and Part 2 written papers; it is not an operative simulation or a substitute for clinical residency training.