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BDS Quiz: Head, Skull & Facial Anatomy

Quick head and skull anatomy quiz to check your knowledge. Instant results.

Editorial: Review CompletedCreated By: Lyndsey HarveyUpdated Aug 26, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration for BDS head anatomy quiz featuring skull structure and facial muscles on dark blue background.

Use this BDS quiz to practice head, skull, and facial anatomy and check what you know in minutes. Work through mixed questions on bones, sutures, and key muscles. For targeted review, try the skull landmarks quiz and the skull labeling quiz; if you need muscle practice, see the facial muscles quiz.

Which bone forms the forehead and roof of the orbits?
Frontal bone (Explanation: The frontal bone forms the forehead and contributes to the superior orbital margin and roof.)
Zygomatic bone
Parietal bone
Maxilla
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How many pairs of cranial nerves emerge from the brain?
13 pairs
11 pairs
12 pairs (Explanation: There are 12 pairs, numbered I to XII.)
10 pairs
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Which muscle is primarily responsible for closing the eyelids?
Superior tarsal (Muller) muscle
Levator palpebrae superioris
Orbicularis oculi (Explanation: Orbicularis oculi encircles the palpebral fissure and closes the eyelids.)
Frontalis
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Where does the parotid (Stensen) duct open into the oral cavity?
Opposite the mandibular first molar
Into the floor of mouth anterior to the frenulum
Opposite the maxillary second molar (Explanation: The parotid duct opens into the vestibule opposite the upper second molar.)
At the sublingual caruncle
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Which muscle is the primary powerful elevator of the mandible during mastication?
Digastric
Masseter
Medial pterygoid
Lateral pterygoid
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Which extraocular muscle abducts the eyeball?
Inferior oblique
Medial rectus
Superior rectus
Lateral rectus (Explanation: Lateral rectus abducts the eye and is supplied by CN VI.)
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Which cranial nerve provides motor innervation to the muscles of facial expression?
Facial nerve (VII) (Explanation: The facial nerve supplies all muscles of facial expression via its branches.)
Glossopharyngeal nerve (IX)
Trigeminal nerve (V)
Accessory nerve (XI)
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The anterior fontanelle is located at the junction of which sutures?
Squamous and lambdoid
Coronal and sagittal (Explanation: The anterior fontanelle (bregma) lies where the two frontal bones meet the parietals at the coronal and sagittal sutures.)
Lambdoid and sagittal
Coronal and squamous
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Which foramen transmits the mandibular division of the trigeminal nerve (V3) into the infratemporal fossa?
Foramen rotundum
Foramen spinosum
Jugular foramen
Foramen ovale (Explanation: V3 exits the middle cranial fossa through foramen ovale.)
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Which artery is the principal source of blood to the posterior part of the nasal septum from the pterygopalatine fossa?
Anterior ethmoidal artery
Greater palatine artery only
Sphenopalatine artery (Explanation: The sphenopalatine artery, a terminal branch of the maxillary artery, supplies much of the nasal septum.)
Superior labial artery
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Which paranasal sinus is typically absent at birth and develops later in childhood?
Ethmoidal air cells
Frontal sinus (Explanation: The frontal sinus usually develops after age 7 and is not present at birth.)
Maxillary sinus
Sphenoidal sinus
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Which opening connects the infratemporal fossa with the pterygopalatine fossa?
Sphenopalatine foramen
Pterygomaxillary fissure (Explanation: It is the lateral gateway between the infratemporal and pterygopalatine fossae.)
Foramen lacerum
Inferior orbital fissure
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Which extraocular muscle does NOT originate from the common tendinous ring (annulus tendineus)?
Inferior oblique (Explanation: Inferior oblique arises from the anterior floor of the orbit, not the annulus.)
Superior rectus
Inferior rectus
Medial rectus
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Which muscle primarily protrudes the mandible by pulling the condyle and disc forward?
Masseter (posterior fibers)
Temporalis
Medial pterygoid
Lateral pterygoid (Explanation: The lateral pterygoid, especially the inferior head, protrudes and helps open the mandible.)
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Which nerve carries postganglionic parasympathetic fibers from the otic ganglion to the parotid gland?
Chorda tympani
Lesser petrosal nerve
Auriculotemporal nerve (Explanation: Postganglionic fibers from the otic ganglion hitchhike with the auriculotemporal nerve to reach the parotid.)
Great auricular nerve
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During early opening of the mouth at the TMJ, which movement occurs predominantly in the upper joint compartment?
Translation of the disc-condyle complex onto the articular eminence (Explanation: The superior compartment permits gliding (translation), while the inferior allows hinge rotation.)
Posterior glide of the disc only
Medial glide of the condyle
Hinge rotation of the condyle
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Which nerve carries preganglionic parasympathetic fibers to the pterygopalatine ganglion for lacrimal and nasal glands?
Deep petrosal nerve
Greater petrosal nerve (Explanation: Greater petrosal (from CN VII) provides preganglionic parasympathetics to the pterygopalatine ganglion.)
Auriculotemporal nerve
Lesser petrosal nerve
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Which air cells or sinuses do NOT drain into the middle meatus of the nasal cavity?
Maxillary sinus
Posterior ethmoidal air cells (Explanation: Posterior ethmoidal cells drain into the superior meatus.)
Frontal sinus
Anterior ethmoidal air cells
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Which muscle is the main retractor of the mandible?
Masseter
Posterior fibers of temporalis (Explanation: The posterior temporalis fibers pull the mandible backward, retracting it.)
Lateral pterygoid
Medial pterygoid
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Which structure exits the skull via the stylomastoid foramen?
Facial nerve (VII) (Explanation: The main trunk of CN VII exits via the stylomastoid foramen to supply facial muscles.)
Glossopharyngeal nerve (IX)
Vagus nerve (X)
Chorda tympani
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Study Outcomes

  1. Identify Major Skull Bones -

    After completing the quiz, you'll be able to name and locate the primary cranial bones, recognizing their unique features and clinical relevance.

  2. Understand Skull Sutures and Landmarks -

    You will understand the key sutures and bony landmarks of the skull, facilitating accurate anatomical identification in practical scenarios.

  3. Recognize Facial Muscle Anatomy -

    You will accurately identify the major facial muscles and their functions, enhancing your understanding of expression and clinical procedures.

  4. Apply Anatomical Terminology -

    You will apply proper anatomical terms when describing skull and facial structures, improving your communication and precision in an academic setting.

  5. Analyze Clinical Implications -

    You will analyze how variations in skull and facial anatomy can impact dental and medical treatments, preparing for real-world applications.

  6. Assess Knowledge and Identify Gaps -

    You will evaluate your quiz performance, pinpointing areas for improvement and reinforcing learning in head and facial anatomy.

Cheat Sheet

  1. Neurocranium vs. Viscerocranium -

    Understand that the skull is divided into the neurocranium (braincase) and viscerocranium (facial skeleton), a key concept in any skull structure quiz. A handy mnemonic "PEST OF 6" helps recall the six paired cranial bones: Parietal, Ethmoid, Sphenoid, Temporal, Occipital, Frontal (Gray's Anatomy, 42nd ed.).

  2. Cranial Sutures & Landmarks -

    Know the major sutures - coronal, sagittal, lambdoid, squamous - and their junctions like bregma and lambda for quick identification in your head anatomy quiz BDS. The "Bregma is the bridge, Lambda is the lamp" trick helps you remember that bregma lies anteriorly and lambda posteriorly (Netter's Atlas of Human Anatomy).

  3. Facial Expression Muscles & Innervation -

    Memorize the seven branches of the facial nerve (CN VII) that supply muscles of facial expression using "To Zanzibar By Motor Car" (Temporal, Zygomatic, Buccal, Mandibular, Cervical). This is essential for your first year BDS anatomy test when naming muscles like orbicularis oris and zygomaticus major (BRS Anatomy).

  4. Skull Foramina & Contents -

    Review key foramina: optic canal (II, ophthalmic artery), foramen rotundum (V2), ovale (V3), spinosum (middle meningeal artery) and jugular foramen (IX - XI). A concise table or diagram from an online university repository can reinforce your memory before the bds quiz.

  5. Paranasal Sinus Drainage Pathways -

    Be familiar with the drainage of frontal, maxillary, ethmoid, and sphenoid sinuses into the nasal cavity - critical for clinical correlation questions in anatomy quiz for BDS. Think "Site 1 - 3 drains into the middle meatus" (maxillary, frontal, anterior ethmoid) while sphenoidal and posterior ethmoid drain into the superior meatus (Gray's Anatomy reference).

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