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100+ Free CMSA FC MFOS(SA) Part I Practice Questions

Pass your Fellowship of the College of Maxillo-Facial and Oral Surgeons of South Africa Part I Examination exam on the first try — instant access, no signup required.

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2026 Statistics

Key Facts: CMSA FC MFOS(SA) Part I Exam

R 12,950

Official CMSA Exam Fee

CMSA Fee Schedule

50%

Minimum Pass Mark per Paper

CMSA Examination Regulations

3 Hours

Duration per Written Paper

CMSA Blueprint

4 Domains

Basic Science Content Outlines

FC MFOS(SA) Syllabus

Max 3

Permitted Examination Attempts

CMSA Senate Policy

The FC MFOS(SA) Part I Examination is the primary basic science gateway for maxillofacial surgery specialization under the CMSA in South Africa. The official exam consists of written papers (3 hours each) covering Anatomy & Embryology (~30%), Physiology (~25%), Pathology (~25%), and Pharmacology (~20%). Candidates must achieve at least 50% in each subject paper to pass. The official registration fee is R 12,950. Candidates must hold an HPCSA-registerable dental or medical degree. Disclaimer: This test preparation module provides 100 multiple-choice practice questions as an English-language study adaptation designed to support candidate preparation for the official CMSA assessment.

Sample CMSA FC MFOS(SA) Part I Practice Questions

Try these sample questions to test your CMSA FC MFOS(SA) Part I exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which anatomical structure forms the posterior boundary of the pterygopalatine fossa and transmits the maxillary nerve (CN V2)?
A.Pterygoid process of the sphenoid bone
B.Perpendicular plate of the palatine bone
C.Posterior wall of the maxilla
D.Greater wing of the sphenoid bone
Explanation: The pterygopalatine fossa is bounded posteriorly by the pterygoid process and anterior surface of the greater wing of the sphenoid bone. The foramen rotundum opens into its upper posterior wall to transmit the maxillary nerve (CN V2) from the middle cranial fossa. The anterior boundary is the infratemporal surface of the maxilla, and the medial wall is formed by the perpendicular plate of the palatine bone.
2Which nerve enters the infratemporal fossa via the foramen ovale to provide motor innervation to the muscles of mastication?
A.Maxillary nerve (CN V2)
B.Mandibular nerve (CN V3)
C.Facial nerve (CN VII)
D.Glossopharyngeal nerve (CN IX)
Explanation: The mandibular nerve (CN V3) is the only division of the trigeminal nerve that carries motor fibers. It exits the skull base through the foramen ovale into the infratemporal fossa, where it gives off motor branches to the four muscles of mastication (masseter, temporalis, medial pterygoid, lateral pterygoid) as well as tensor tympani, tensor veli palatini, anterior belly of digastric, and mylohyoid.
3The mylohyoid muscle separates which two fascial spaces of the floor of the mouth?
A.Submandibular space inferiorly and sublingual space superiorly
B.Submental space anteriorly and retropharyngeal space posteriorly
C.Masticator space laterally and parapharyngeal space medially
D.Canine space superiorly and buccal space inferiorly
Explanation: The mylohyoid muscle forms the muscular diaphragm of the floor of the mouth. The sublingual space lies superior to the mylohyoid muscle beneath the oral mucosa, while the submandibular space lies inferior to the mylohyoid muscle and superior to the hyoid bone. Communication between them occurs around the posterior free border of the mylohyoid muscle.
4Ludwig's angina is classically defined as a rapidly spreading, bilateral cellulitis involving which fascial spaces?
A.Submandibular, sublingual, and submental spaces
B.Retropharyngeal, danger, and prevertebral spaces
C.Parotid, temporal, and infratemporal spaces
D.Canine, buccal, and masticator spaces
Explanation: Ludwig's angina is a life-threatening, rapidly progressive bilateral cellulitis of the floor of the mouth involving the submandibular, sublingual, and submental spaces simultaneously. Infection typically originates from lower molar periapical or periodontal infections whose apices lie below the mylohyoid line, leading to elevation of the tongue and airway compromise.
5Parasympathetic secretomotor innervation to the parotid gland originates from the inferior salivatory nucleus and synapses in which ganglion?
A.Otic ganglion
B.Submandibular ganglion
C.Pterygopalatine ganglion
D.Ciliary ganglion
Explanation: Preganglionic parasympathetic secretomotor fibers for the parotid gland originate in the inferior salivatory nucleus of CN IX, travel via the tympanic nerve (Jacobson's nerve) and lesser petrosal nerve, and synapse in the otic ganglion. Postganglionic parasympathetic fibers then hitchhike on the auriculotemporal nerve (a branch of CN V3) to reach the parotid gland.
6Stensen's duct pierces which muscle before opening into the oral cavity opposite the maxillary second molar?
A.Buccinator muscle
B.Masseter muscle
C.Medial pterygoid muscle
D.Mylohyoid muscle
Explanation: The parotid duct (Stensen's duct) emerges from the anterior border of the parotid gland, runs superficial to the masseter muscle, turns medially at its anterior border, and pierces the buccinator muscle and oral mucosa to open at the parotid papilla opposite the maxillary second molar.
7Surgical injury to the marginal mandibular branch of the facial nerve results in paralysis of which muscle?
A.Depressor anguli oris
B.Orbicularis oculi
C.Buccinator
D.Zygomaticus major
Explanation: The marginal mandibular branch of CN VII runs near the lower border of the mandible (often 1-2 cm below in the submandibular triangle) and innervates the muscles of the lower lip and chin, primarily the depressor anguli oris and depressor labii inferioris. Injury causes asymmetric smile and inability to depress the corner of the mouth on the affected side.
8Which branch of the maxillary artery passes through the foramen spinosum to supply the dura mater and skull vault?
A.Middle meningeal artery
B.Inferior alveolar artery
C.Sphenopalatine artery
D.Deep temporal artery
Explanation: The middle meningeal artery is the largest meningeal artery and arises from the first (mandibular) part of the maxillary artery. It ascends through the foramen spinosum into the middle cranial fossa to supply the dura mater and calvaria. Pterion trauma can lacerate its anterior branch, leading to an epidural (extradural) hematoma.
9Severe posterior epistaxis encountered during Le Fort I osteotomies originates predominantly from branches of which artery?
A.Sphenopalatine artery
B.Facial artery
C.Superior labial artery
D.Lingual artery
Explanation: The sphenopalatine artery (the terminal branch of the maxillary artery) enters the posterior nasal cavity via the sphenopalatine foramen. During pterygomaxillary dysjunction in Le Fort I osteotomies, improper osteotome placement or overly superior vessel stretch can lacerate the sphenopalatine or descending palatine arteries, causing profuse posterior arterial hemorrhage.
10Which cranial nerve lies directly within the venous lumen of the cavernous sinus alongside the internal carotid artery, making it the most vulnerable to early compression in cavernous sinus thrombosis?
A.Abducens nerve (CN VI)
B.Oculomotor nerve (CN III)
C.Trochlear nerve (CN IV)
D.Ophthalmic nerve (CN V1)
Explanation: The abducens nerve (CN VI) and the internal carotid artery travel directly through the center of the cavernous sinus lumen surrounded by venous blood. CN III, CN IV, CN V1, and CN V2 are embedded within the dura of the lateral wall. Consequently, CN VI palsy (loss of lateral rectus function / inability to abduct the eye) is often the earliest neurological sign of cavernous sinus thrombosis.

About the CMSA FC MFOS(SA) Part I Exam

The Fellowship of the College of Maxillo-Facial and Oral Surgeons of South Africa Part I Examination (FC MFOS(SA) Part I) is the fundamental basic sciences qualification for registrars and trainees pursuing specialist registration in Maxillofacial and Oral Surgery in South Africa. Administered by the Colleges of Medicine of South Africa (CMSA), the examination evaluates mastery of applied head and neck anatomy, embryology, maxillofacial physiology, general and oral pathology principles, and applied pharmacology and anesthesia. Passing Part I is mandatory before proceeding to the Intermediate (Part IB) and Final (Part II) exit fellowship examinations. Please note: This online question bank is an English-language study adaptation developed independently to assist candidates preparing for the official CMSA FC MFOS(SA) Part I assessment.

Questions

100 scored questions

Time Limit

3 hours per paper

Passing Score

50% average per subject paper

Exam Fee

R 12,950 (College of Maxillo-Facial and Oral Surgeons of South Africa (CMSA))

CMSA FC MFOS(SA) Part I Exam Content Outline

~30%

Head and Neck Anatomy & Embryology

Osteology of the facial skeleton, skull base, and cranial foramina; neuroanatomy of cranial nerves (CN V, VII, IX, X, XII); deep fascial spaces of the neck and face; arterial branches of external carotid and maxillary arteries; venous drainage and cavernous sinus; temporomandibular joint complex; branchial arch and facial embryology; and salivary gland anatomy.

~25%

Applied Maxillofacial Physiology

Bone cellular kinetics (osteoclasts/osteoblasts/RANKL), primary and secondary bone fracture healing, neurophysiology of mastication and trigeminal pain transmission, vascular hemostasis and coagulation pathways, salivary gland secretion mechanics, upper airway physiology, and cardiovascular shock mechanisms.

~25%

General Pathology & Oral Pathology Principles

Odontogenic cysts (radicular, dentigerous, OKT), odontogenic tumors (ameloblastoma, CEOT, myxoma), oral squamous cell carcinoma, salivary gland neoplasia, inflammatory bone diseases (osteomyelitis, MRONJ, ORN), fibro-osseous lesions (fibrous dysplasia, ossifying fibroma, CGCG), and wound repair kinetics.

~20%

Applied Pharmacology & Anesthesia in Maxillofacial Surgery

Local anesthetic pharmacology, lipid solubility, toxicity (LAST) recognition and Intralipid rescue protocol, intravenous sedation agents (propofol, midazolam, ketamine), neuromuscular blocking drugs and reversal agents (sugammadex, neostigmine), perioperative antimicrobial prophylaxis, and analgesic/anti-inflammatory regimens.

How to Pass the CMSA FC MFOS(SA) Part I Exam

What You Need to Know

  • Passing score: 50% average per subject paper
  • Exam length: 100 questions
  • Time limit: 3 hours per paper
  • Exam fee: R 12,950

Keys to Passing

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

CMSA FC MFOS(SA) Part I Study Tips from Top Performers

1Focus heavily on head and neck surgical anatomy and cranial nerve pathways, as anatomy accounts for nearly one-third of the examination.
2Master the cellular biology of bone remodeling, fracture repair, and bone grafting, which are heavily tested in maxillofacial physiology.
3Review WHO classifications for odontogenic lesions and distinguish microscopic features of ameloblastoma vs odontogenic keratocyst.
4Memorize exact local anesthetic maximum doses, pKa values, and the 20% Intralipid rescue protocol for Local Anesthetic Systemic Toxicity (LAST).
5Utilize timed practice question sets to build pacing for 3-hour examination papers.

Frequently Asked Questions

What is the FC MFOS(SA) Part I examination?

The FC MFOS(SA) Part I is the Primary examination conducted by the College of Maxillo-Facial and Oral Surgeons of South Africa under the Colleges of Medicine of South Africa (CMSA). It tests applied basic sciences—Anatomy & Embryology, Physiology, Pathology, and Pharmacology—required for specialist training in maxillofacial and oral surgery.

Is this practice question bank an official CMSA product?

No. This question bank is an independent English-language study adaptation created specifically as a practice resource for candidates preparing for the official CMSA FC MFOS(SA) Part I examination. It is not directly affiliated with or endorsed by the CMSA.

What is the fee for the CMSA FC MFOS(SA) Part I exam?

The official examination fee set by the CMSA is currently R 12,950. Fees are updated annually by the CMSA Senate and should be confirmed on the official CMSA website prior to application deadlines.

What is the passing score for the FC MFOS(SA) Part I?

Candidates must achieve a minimum score of 50% in each subject paper to pass the examination. Conditional credit may be granted if a candidate passes two subjects and achieves at least 40% in the failed subject, allowing a re-attempt of that single subject at the next two consecutive sittings.

What eligibility requirements must candidates meet?

Candidates must hold a primary medical or dental qualification (MBChB, BDS, BChD, or equivalent) that is registered or registerable with the Health Professions Council of South Africa (HPCSA). Registration must be approved by the CMSA Senate.

What is the format and duration of the official exam?

The official examination consists of written papers (3 hours per subject paper) comprising single-best-answer MCQs and extended matching questions (EMQs). There is no oral or clinical component for the Part I examination.

How many attempts are permitted for the FC MFOS(SA) Part I?

Candidates are permitted a maximum of three attempts to pass the Primary Part I examination. Sitting all subjects in a single session is required on initial entry.