Head And Neck Anatomy Quiz

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Head And Neck Anatomy Quiz - Quiz

Do you know enough about your head and neck anatomy? Test your knowledge and revise the same concept with the following quiz. Here, we will focus on the anatomy of the head and neck, and you will be asked questions related to its various anatomical aspects, such as the skull, eyes, nose, teeth, ears, and throat, as well as the vital blood vessels and nerves. The test consists of more than a hundred questions; make sure you read all of them carefully and answer accordingly. All the best!


Questions and Answers
  • 1. 

    How many bones are found in the skull and face?

    • A.

      11

    • B.

      22

    • C.

      24

    • D.

      32

    Correct Answer
    B. 22
    Explanation
    The skull and face together contain a total of 22 bones. The skull consists of 8 cranial bones and 14 facial bones, making a total of 22 bones.

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  • 2. 

    How many bones are found in the neurocranium?

    • A.

      8

    • B.

      7

    • C.

      6

    • D.

      10

    Correct Answer
    A. 8
    Explanation
    The neurocranium is the part of the skull that encloses and protects the brain. It is made up of several bones, including the frontal, parietal, temporal, occipital, sphenoid, and ethmoid bones. In total, there are 8 bones found in the neurocranium.

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  • 3. 

    How many bones are found in the viscerocranium?

    • A.

      14

    • B.

      12

    • C.

      10

    • D.

      11

    Correct Answer
    A. 14
    Explanation
    The viscerocranium is the facial skeleton and is comprised of 14 bones. These bones include the mandible, maxilla, nasal bones, zygomatic bones, lacrimal bones, palatine bones, vomer bone, inferior nasal conchae, and the hyoid bone. These bones form the structure of the face and support important functions such as breathing, chewing, and speaking.

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  • 4. 

    Neurocranium means around the cranium and viscerocranium means on the face.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The explanation for the given answer is that "Neurocranium" refers to the part of the skull that protects the brain, while "viscerocranium" refers to the part of the skull that forms the face. Therefore, it is true that neurocranium means around the cranium (brain) and viscerocranium means on the face.

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  • 5. 

    Which area is immediately posterior to the most distal tooth in the upper arch of the dentition?

    • A.

      Retromolar triangle

    • B.

      Postglenoid process

    • C.

      Cribiform plate

    • D.

      Maxillary tuberosity

    Correct Answer
    D. Maxillary tuberosity
    Explanation
    The maxillary tuberosity is the area immediately posterior to the most distal tooth in the upper arch of the dentition. It is a rounded prominence of bone located on the posterior aspect of the maxilla, behind the last molar tooth. This area provides support for the denture and is an important anatomical landmark for dental procedures such as denture fabrication and implant placement.

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  • 6. 

    Which of the following features is located on the temporal bone?

    • A.

      Superior Temporal Line

    • B.

      Foramen rotundum

    • C.

      External Acoustic meatus

    • D.

      Oribital Plate

    Correct Answer
    C. External Acoustic meatus
    Explanation
    The correct answer is External Acoustic meatus. The external acoustic meatus, also known as the ear canal, is a feature located on the temporal bone. It is a tube-like structure that connects the outer ear to the middle ear and is responsible for transmitting sound waves.

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  • 7. 

    In addition to the zygomatic bone, which of the following bones has a process that forms the other part of the zygomatic arch?

    • A.

      Temporal Bone

    • B.

      Maxillae

    • C.

      Sphenoid

    • D.

      Palatine Bone

    Correct Answer
    A. Temporal Bone
    Explanation
    The temporal bone has a process called the zygomatic process, which forms the other part of the zygomatic arch. The zygomatic arch is a bony structure that extends from the zygomatic bone (cheekbone) to the temporal bone. The maxillae, sphenoid, and palatine bone do not have processes that contribute to the formation of the zygomatic arch.

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  • 8. 

    The occipital condyle forms an articulation with which bone?

    • A.

      Atlas

    • B.

      Axis

    • C.

      Coronoid notch

    • D.

      Coronoid process

    Correct Answer
    A. Atlas
    Explanation
    The occipital condyle forms an articulation with the atlas bone. The atlas is the first cervical vertebra and it connects the skull to the spine. The occipital condyles are located on the base of the skull and they fit into the corresponding facets on the atlas, allowing for the movement and rotation of the head.

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  • 9. 

    The orbital apex is composed of the lesser wing of the sphenoid bone and the:

    • A.

      Ethmoid

    • B.

      Frontal bone

    • C.

      Maxillae

    • D.

      Palatine bone

    Correct Answer
    D. Palatine bone
    Explanation
    The orbital apex is the point at the back of the eye socket where several bones come together. In addition to the lesser wing of the sphenoid bone, the palatine bone also contributes to the structure of the orbital apex. The palatine bone is a small, L-shaped bone that forms part of the hard palate and the floor of the nasal cavity. It helps to support the structure of the orbit and plays a role in protecting the eye.

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  • 10. 

    Which of the following landmarks is formed by the maxilla?

    • A.

      Mental spine

    • B.

      Median palatine suture

    • C.

      Retromolar triangle

    • D.

      Inferior orbital fissure

    Correct Answer
    D. Inferior orbital fissure
    Explanation
    The maxilla is a bone in the skull that forms part of the eye socket. The inferior orbital fissure is a small opening located in the maxilla bone. It is formed by the junction of the maxilla bone with the greater wing of the sphenoid bone. Therefore, the correct answer is the inferior orbital fissure.

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  • 11. 

    Which of the following structures is located or travels within the infratemporal fossa?

    • A.

      Masseter muscle

    • B.

      Pterygopalatine ganglion

    • C.

      Maxillary division of the fifth cranial nerve

    • D.

      Posterior superior alveolar artery

    Correct Answer
    D. Posterior superior alveolar artery
    Explanation
    The posterior superior alveolar artery is located within the infratemporal fossa. The infratemporal fossa is a space located deep to the zygomatic arch and lateral to the pterygoid process of the sphenoid bone. It contains various structures including muscles, nerves, and blood vessels. The posterior superior alveolar artery is a branch of the maxillary artery and it supplies blood to the maxillary molars and surrounding structures.

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  • 12. 

    The concavity noted on the anterior border of the coronoid process of the ramus is the

    • A.

      Mandibular notch

    • B.

      Coronoid notch

    • C.

      Temporal fossa

    • D.

      Infratemporal fossa

    Correct Answer
    B. Coronoid notch
    Explanation
    The concavity noted on the anterior border of the coronoid process of the ramus is called the coronoid notch. This term refers to the specific anatomical feature that can be observed on the front edge of the coronoid process. The other options, including the mandibular notch, temporal fossa, and infratemporal fossa, do not accurately describe the concavity in question.

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  • 13. 

    The hyoid bone is located _______ and _________ to the thyroid cartilage.

    • A.

      Inferior, posterior

    • B.

      Superior, anterior

    • C.

      Lateral, anterior

    Correct Answer
    B. Superior, anterior
    Explanation
    The hyoid bone is located superior and anterior to the thyroid cartilage. This means that it is positioned above and towards the front of the thyroid cartilage in the neck.

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  • 14. 

    Which of the following processes is located just inferior and medial to the external acoustic meatus?

    • A.

      Pterygoid process

    • B.

      Styloid process

    • C.

      Mastoid process

    • D.

      Hamulus

    Correct Answer
    B. Styloid process
    Explanation
    The styloid process is located just inferior and medial to the external acoustic meatus. It is a slender, pointed projection of bone that extends downwards from the temporal bone of the skull. It serves as an attachment point for several muscles and ligaments in the neck and throat region.

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  • 15. 

    The spaces under the three conchae of the lateral walls of the nasal cavity are the

    • A.

      Ostia

    • B.

      Ducts

    • C.

      Meatus

    • D.

      Inferior nasal conchae

    Correct Answer
    C. Meatus
    Explanation
    The spaces under the three conchae of the lateral walls of the nasal cavity are known as meatus. Meatus refers to the passageways or channels that are formed by the nasal conchae, which are bony structures in the nasal cavity. These meatuses help to increase the surface area of the nasal cavity, which aids in the filtration, humidification, and warming of the inhaled air.

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  • 16. 

    The _________ plates of the palatine bones and the ___________ process of the maxillae form the hard palate.

    • A.

      Horizontal, zygomatic

    • B.

      Maxillary, palatal

    • C.

      Horizontal, palatine

    • D.

      Vertical, palatine

    Correct Answer
    C. Horizontal, palatine
    Explanation
    The correct answer is "horizontal, palatine." The hard palate is formed by the horizontal plates of the palatine bones and the palatine process of the maxillae. The horizontal plates of the palatine bones are located at the back of the mouth, while the palatine process of the maxillae is located at the front. Together, they form the hard palate, which separates the oral and nasal cavities.

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  • 17. 

    Which of the following cranial nerves is associated with the stylomastoid foramen?

    • A.

      Fifth cranial nerve

    • B.

      Seventh cranial nerve

    • C.

      Ninth cranial nerve

    • D.

      Tenth cranial nerve

    Correct Answer
    B. Seventh cranial nerve
    Explanation
    The stylomastoid foramen is a small opening located in the temporal bone of the skull. The seventh cranial nerve, also known as the facial nerve, passes through this foramen. This nerve is responsible for controlling the muscles of facial expression and transmitting taste sensations from the anterior two-thirds of the tongue. Therefore, the correct answer is the seventh cranial nerve.

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  • 18. 

    Which of the following skull bones is paired?

    • A.

      Ethmoid bone

    • B.

      Frontal bone

    • C.

      Occipital bone

    • D.

      Parietal bones

    • E.

      Sphenoid bone

    • F.

      Temporal bone

    • G.

      Inferior nasal conchae

    • H.

      Lacrimal bones

    • I.

      Mandible

    • J.

      Maxillae

    • K.

      Vomer

    • L.

      Zygomatic bones

    Correct Answer(s)
    D. Parietal bones
    F. Temporal bone
    G. Inferior nasal conchae
    H. Lacrimal bones
    J. Maxillae
    L. Zygomatic bones
    Explanation
    The question asks for a skull bone that is paired, meaning it exists on both sides of the skull. The parietal bones, temporal bone, inferior nasal conchae, lacrimal bones, maxillae, and zygomatic bones are all paired bones.

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  • 19. 

    Which of the following bony plates is perforated to allow the passage of the olfactory nerves for the sense of smell?

    • A.

      Medial plate of the sphenoid bone

    • B.

      Lateral plate of the sphenoid bone

    • C.

      Perpendicular plate of ethmoid bone

    • D.

      Cribiform plate of ethmoid bone

    Correct Answer
    D. Cribiform plate of ethmoid bone
    Explanation
    The cribiform plate of the ethmoid bone is perforated to allow the passage of the olfactory nerves for the sense of smell. This plate is located in the roof of the nasal cavity and contains small holes called olfactory foramina through which the olfactory nerves pass. These nerves are responsible for carrying sensory information about smell from the nasal cavity to the brain.

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  • 20. 

    Check all of the bones that are in the neurocranium.

    • A.

      Frontal bone

    • B.

      Nasal bone

    • C.

      Maxillae

    • D.

      Zygomatic

    • E.

      Parietal

    • F.

      Occipital

    • G.

      Palatine

    • H.

      Vomer

    Correct Answer(s)
    A. Frontal bone
    E. Parietal
    F. Occipital
    Explanation
    The neurocranium is the part of the skull that surrounds and protects the brain. The frontal bone, parietal bone, and occipital bone are all part of the neurocranium. These bones form the front, top, and back of the skull respectively. Therefore, the correct answer includes the frontal bone, parietal bone, and occipital bone.

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  • 21. 

    In which part of the temporal bone is the TMJ located?

    • A.

      Squamous

    • B.

      Tympanic

    • C.

      Petrous

    • D.

      Mastoid

    Correct Answer
    A. Squamous
    Explanation
    The temporomandibular joint (TMJ) is located in the squamous part of the temporal bone. The squamous part is the flat, scale-like portion of the bone that forms the side of the skull. It is situated above the ear and houses important structures such as the TMJ, which is responsible for jaw movement and is involved in chewing, speaking, and other functions.

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  • 22. 

    Which bone is a single bone located at the midline of the skull?

    • A.

      Temporal

    • B.

      Zygomatic

    • C.

      Sphenoid

    • D.

      Inferior nasal conchae

    Correct Answer
    C. Sphenoid
    Explanation
    The sphenoid bone is a single bone located at the midline of the skull. It is situated in the middle of the skull base, behind the eyes and below the frontal bone. It is a complex bone that helps form the base of the cranium and also contributes to the sides of the skull and the floor of the eye sockets. The sphenoid bone is important for providing structural support and protection to the brain, as well as housing various structures such as the pituitary gland.

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  • 23. 

    Which of the following bones forms the jugular foramen along with the jugular notch of the temporal bone?

    • A.

      Occipital

    • B.

      Mandible

    • C.

      Parietal

    • D.

      Sphenoid

    Correct Answer
    A. Occipital
    Explanation
    The occipital bone forms the jugular foramen along with the jugular notch of the temporal bone. The jugular foramen is a large opening in the base of the skull that allows the passage of important structures such as the internal jugular vein, glossopharyngeal nerve, vagus nerve, and accessory nerve.

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  • 24. 

    Which of the following is a faint ridge noted where the right and left mandibular processes fused together in early childhood?

    • A.

      Mylohyoid line

    • B.

      Mental protuberance

    • C.

      Mandibular symphysis

    • D.

      External oblique line

    Correct Answer
    C. Mandibular symphysis
    Explanation
    The mandibular symphysis is a faint ridge noted where the right and left mandibular processes fused together in early childhood. This fusion creates a bony prominence in the midline of the mandible, which is known as the mandibular symphysis. It serves as the point of attachment for various muscles involved in chewing and speaking. The other options, such as the mylohyoid line, mental protuberance, and external oblique line, are anatomical landmarks on the mandible, but they do not specifically refer to the fusion of the mandibular processes.

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  • 25. 

    Which of the following structures is a large, roughened projection on the petrous part of the temporal bone?

    • A.

      Notch

    • B.

      Process

    • C.

      Air cells

    • D.

      Sinus

    Correct Answer
    B. Process
    Explanation
    A process is a projection or prominence on a bone. In this case, the question is asking for a large, roughened projection on the petrous part of the temporal bone. Therefore, the correct answer is "process."

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  • 26. 

    Which of the following landmarks is an anterior process located on the sphenoid bone?

    • A.

      Wing

    • B.

      Notch

    • C.

      Body

    • D.

      Angle

    Correct Answer
    A. Wing
    Explanation
    The correct answer is "wing." The sphenoid bone has two wings, also known as the greater wings, which extend laterally from the body of the bone. These wings are important landmarks in the skull and play a role in the formation of the cranial floor and the sides of the skull.

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  • 27. 

    The lacrimal gland is located just inside the lateral part of the

    • A.

      Glabella

    • B.

      Supraorbital ridge

    • C.

      Supraorbital notch

    • D.

      Nasion

    Correct Answer
    B. Supraorbital ridge
    Explanation
    The correct answer is the supraorbital ridge. The lacrimal gland is located just inside the lateral part of the supraorbital ridge. The supraorbital ridge is a bony ridge located above the eye socket (orbit) and helps protect the eye. It is also the site where the supraorbital nerve and artery pass through. The glabella is the smooth area between the eyebrows, the supraorbital notch is a small notch or opening in the supraorbital ridge, and the nasion is the depression at the bridge of the nose.

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  • 28. 

    The occipital condyles are located __________ and ______________ to the foramen magnum.

    • A.

      Medial, anterior

    • B.

      Lateral, anterior

    • C.

      Medial, posterior

    • D.

      Lateral, posterior

    Correct Answer
    B. Lateral, anterior
    Explanation
    The occipital condyles are located on the lateral and anterior sides of the foramen magnum.

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  • 29. 

    Which bone forms both the superior and middle nasal conchae?

    • A.

      Occipital bone

    • B.

      Mandible

    • C.

      Maxilla

    • D.

      Ethmoid

    Correct Answer
    D. Ethmoid
    Explanation
    The ethmoid bone forms both the superior and middle nasal conchae. The superior nasal concha is a thin, curved plate that projects from the upper part of the ethmoid bone, while the middle nasal concha is a smaller, scroll-like projection located below the superior concha. These conchae help to increase the surface area of the nasal cavity, allowing for better filtration, warming, and humidification of inhaled air.

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  • 30. 

    How many cervical vertebra are on the human neck?

    • A.

      5

    • B.

      7

    • C.

      9

    • D.

      11

    Correct Answer
    B. 7
    Explanation
    There are 7 cervical vertebrae in the human neck. These vertebrae are located in the upper part of the spine and are responsible for supporting the head and allowing for a wide range of motion in the neck. Each cervical vertebra is numbered from C1 to C7, with the first vertebra (C1) being closest to the skull and the seventh vertebra (C7) being closest to the thoracic spine.

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  • 31. 

    The single floating bone in the neck is the hyoid bone

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The hyoid bone is indeed a single floating bone in the neck. It is located in the front of the neck, between the chin and the thyroid cartilage. Unlike other bones in the body, the hyoid bone does not articulate with any other bones. It serves as an attachment point for various muscles involved in swallowing and speaking. Therefore, the statement "The single floating bone in the neck is the hyoid bone" is true.

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  • 32. 

    The pair of foramina that are located above the eye socket on the eyebrow are called _________ foramen.

    • A.

      PSA

    • B.

      Infraorbital

    • C.

      Supraorbital

    • D.

      Superorbital

    Correct Answer
    C. Supraorbital
    Explanation
    The pair of foramina that are located above the eye socket on the eyebrow are called supraorbital foramen.

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  • 33. 

    The frontal bone in the interior cranial view surrounds another smaller "walnut shaped " bone called the __________________ bone.

    • A.

      Ethmoid bone

    • B.

      Sphenoid bone

    • C.

      Glabella

    • D.

      Vomer

    Correct Answer
    A. Ethmoid bone
    Explanation
    The frontal bone in the interior cranial view surrounds another smaller "walnut-shaped" bone called the ethmoid bone.

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  • 34. 

    The cranial depression that contains the pituitary gland is called the

    • A.

      Hamulus

    • B.

      Pituitary depression

    • C.

      Sella turcica

    • D.

      Foramen magnum

    Correct Answer
    C. Sella turcica
    Explanation
    The cranial depression that contains the pituitary gland is called the sella turcica. The sella turcica is a bony structure located in the sphenoid bone of the skull. It has a saddle-like shape and houses the pituitary gland, which is an important gland responsible for producing and releasing hormones that regulate various bodily functions. The sella turcica provides protection and support to the pituitary gland, ensuring its proper functioning.

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  • 35. 

    The pencil-shaped process occurs on the inferior portion of the temporal bone is the_______________.

    • A.

      Hamulus

    • B.

      Styloid process

    • C.

      Mandibular spine

    • D.

      Lingula

    Correct Answer
    B. Styloid process
    Explanation
    The pencil-shaped process that occurs on the inferior portion of the temporal bone is known as the styloid process.

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  • 36. 

    The hard palate consists of which two bones?

    • A.

      Palatal bone and the bone with the greater palatine foramen as a landmark

    • B.

      Vomer and the ethmoid bone

    • C.

      Maxilla and the palatine bone

    • D.

      Palatine process of the maxilla and the vomer bone

    Correct Answer
    C. Maxilla and the palatine bone
    Explanation
    The hard palate is formed by the maxilla and the palatine bone. The maxilla is the upper jawbone and forms the majority of the hard palate, while the palatine bone is a small, L-shaped bone located at the back of the hard palate. Together, these two bones provide the structure and support for the hard palate, which separates the oral and nasal cavities.

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  • 37. 

    The submandibular gland rests on the mandible on the internal surface of the mandible anterior and superior to the internal oblique line (mylohyoid line)

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The submandibular gland does not rest on the mandible. It is actually located beneath the mandible, in the submandibular triangle of the neck.

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  • 38. 

    Both the origin of the frontal belly of the epicranial muscle and the insertion of its occipital belly are at the

    • A.

      Clavicle and sternum

    • B.

      Mastoid process

    • C.

      Epicranial aponeurosis

    • D.

      Pterygomandibuler raphe

    Correct Answer
    C. Epicranial aponeurosis
    Explanation
    The correct answer is epicranial aponeurosis. The epicranial muscle is composed of two bellies, the frontal belly and the occipital belly. The frontal belly originates from the epicranial aponeurosis, which is a tough, fibrous sheet of connective tissue covering the top of the skull. The occipital belly inserts into the epicranial aponeurosis as well. Therefore, both the origin of the frontal belly and the insertion of the occipital belly are at the epicranial aponeurosis.

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  • 39. 

    Which of the following muscles is considered a muscle of mastication?

    • A.

      Buccinator

    • B.

      Risorius

    • C.

      Mentalis

    • D.

      Masseter

    Correct Answer
    D. Masseter
    Explanation
    The masseter muscle is considered a muscle of mastication. It is located in the jaw and is responsible for the movement of the jaw during chewing. The masseter muscle is one of the strongest muscles in the human body and plays a crucial role in the process of mastication, or chewing food. It contracts to elevate the mandible and close the mouth, allowing for efficient grinding and breaking down of food particles.

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  • 40. 

    The origin of a muscle is considered to be

    • A.

      The starting point of a muscle

    • B.

      Where the muscle fibers join the bone tendon

    • C.

      The muscle end attached to the least movable structure

    • D.

      The muscle end attached to the most movable structure

    Correct Answer
    C. The muscle end attached to the least movable structure
    Explanation
    The origin of a muscle is considered to be the muscle end attached to the least movable structure. This is because the origin of a muscle is typically the point where the muscle attaches to a bone or other structure that is relatively stable and does not move much during muscle contraction. The other option, the muscle end attached to the most movable structure, would be the insertion point of the muscle, which is typically the point where the muscle attaches to a bone or structure that moves more during muscle contraction.

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  • 41. 

    Which of the following muscle pairs is divided by a median septum?

    • A.

      Geniohyoid

    • B.

      Masseter

    • C.

      Digastric

    • D.

      Transverse

    Correct Answer
    D. Transverse
    Explanation
    The correct answer is transverse because it is the only muscle pair listed that is divided by a median septum. The other muscles listed, geniohyoid, masseter, and digastric, are not divided by a median septum.

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  • 42. 

    Which of the following paired muscles unite medially forming the floor of the mouth?

    • A.

      Geniohyoid

    • B.

      Omohyoid

    • C.

      Digastric

    • D.

      Mylohyoid

    Correct Answer
    D. Mylohyoid
    Explanation
    The mylohyoid muscles are paired muscles that unite medially, forming the floor of the mouth. They are located on either side of the midline and are responsible for raising the floor of the mouth during swallowing and speaking. The geniohyoid, omohyoid, and digastric muscles are not involved in forming the floor of the mouth.

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  • 43. 

    Which of the following muscle groups below serve to depress the hyoid bone?

    • A.

      Muscles of mastication

    • B.

      Suprahyoid muscles

    • C.

      Infrahyoid muscles

    • D.

      Extrinsic tongue muscles

    Correct Answer
    C. Infrahyoid muscles
    Explanation
    The infrahyoid muscles are responsible for depressing the hyoid bone. These muscles include the sternohyoid, omohyoid, thyrohyoid, and sternothyroid muscles. When these muscles contract, they pull the hyoid bone downwards, helping to lower the position of the hyoid bone. This action is important for various functions such as swallowing, speaking, and breathing. The muscles of mastication are involved in chewing, the suprahyoid muscles elevate the hyoid bone, and the extrinsic tongue muscles are responsible for moving the tongue. Therefore, the correct answer is infrahyoid muscles.

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  • 44. 

    Which of the following is the MOST commonly used muscle when the patients lips close around the saliva ejector?

    • A.

      Risorius

    • B.

      Mentalis

    • C.

      Mylohyoid

    • D.

      Buccinator

    • E.

      Orbicularis oris

    Correct Answer
    E. Orbicularis oris
    Explanation
    The orbicularis oris is the muscle that is most commonly used when the patient's lips close around the saliva ejector. This muscle is responsible for puckering the lips and closing the mouth. It is a circular muscle that encircles the mouth and is involved in various facial expressions, including closing the lips tightly. The other muscles listed, such as the risorius, mentalis, mylohyoid, and buccinator, are also involved in facial movements but are not specifically responsible for closing the lips around the saliva ejector.

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  • 45. 

    Which of the following muscle groups is involved in both elevating the hyoid bone and depressing the mandible

    • A.

      Muscles of mastication

    • B.

      Suprahyoid muscles

    • C.

      Infrahyoid muscles

    • D.

      Intrinsic tongue muscles

    Correct Answer
    B. Suprahyoid muscles
    Explanation
    The suprahyoid muscles are responsible for both elevating the hyoid bone and depressing the mandible. These muscles include the digastric, mylohyoid, geniohyoid, and stylohyoid muscles. When these muscles contract, they elevate the hyoid bone, which is important for swallowing and speaking. Additionally, they also assist in depressing the mandible, which is necessary for actions like opening the mouth and chewing. Therefore, the suprahyoid muscles are involved in both of these movements.

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  • 46. 

    Which of the following muscle groups listed below is innervated by the cervical nerves?

    • A.

      Muscles of mastication

    • B.

      Muscles of facial expression

    • C.

      Suprahyoid muscles

    • D.

      Infrahyoid muscles

    • E.

      Intrinsic tongue muscles

    Correct Answer
    D. Infrahyoid muscles
    Explanation
    The infrahyoid muscles are innervated by the cervical nerves. These muscles are located below the hyoid bone and are responsible for controlling the movement of the hyoid bone and the larynx. They play a role in swallowing and speaking. The muscles of mastication, muscles of facial expression, suprahyoid muscles, and intrinsic tongue muscles are not innervated by the cervical nerves, but by other nerves in the face and neck.

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  • 47. 

    Which muscle can make the patient's oral vestibule more shallow thereby making dental work sometimes difficult?

    • A.

      Mentalis

    • B.

      Zygomaticus major

    • C.

      Depressor anguli oris

    • D.

      Levator anguli oris

    Correct Answer
    A. Mentalis
    Explanation
    The mentalis muscle is located in the chin area and is responsible for controlling the movements of the lower lip and chin. When this muscle contracts, it can cause the oral vestibule (the space between the lips and teeth) to become more shallow. This can make dental work difficult as it restricts access to the teeth and makes it harder for the dentist to maneuver their instruments.

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  • 48. 

    Which of the following muscle groups is innervated by the facial nerve?

    • A.

      Intrinsic tongue muscles

    • B.

      Extrinsic tongue muscles

    • C.

      Muscles of facial expression

    • D.

      Muscles of mastication

    Correct Answer
    C. Muscles of facial expression
    Explanation
    The facial nerve is responsible for innervating the muscles of facial expression. This includes muscles such as the orbicularis oculi, which controls eye blinking and closing, and the zygomaticus, which is involved in smiling. These muscles are important for facial movements and expressions, and their innervation by the facial nerve allows for the control and coordination of these movements.

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  • 49. 

    Which of the following muscle groups inserts directly on the hyoid bone?

    • A.

      Geniohyoid, stylohyoid, and omohyoid muscles

    • B.

      Masseter, stylohyoid, and digastric muscles

    • C.

      Masseter, buccinator, and omohyoid muscles

    • D.

      Palatopharygeus and palatoglossus muscles and muscle of the uvula

    Correct Answer
    A. Geniohyoid, stylohyoid, and omohyoid muscles
    Explanation
    The geniohyoid, stylohyoid, and omohyoid muscles are the correct answer because they are the only muscle groups listed that directly insert on the hyoid bone. The other options either include muscles that do not insert on the hyoid bone or include muscles that are not listed in the question.

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  • 50. 

    Which of the following muscles is used when a patient grimaces?

    • A.

      Epicranial

    • B.

      Corrugator supercilii

    • C.

      Risorius

    • D.

      Mentalis

    Correct Answer
    C. Risorius
    Explanation
    The risorius muscle is used when a patient grimaces. This muscle is located in the face and is responsible for pulling the corners of the mouth laterally. When a person grimaces, the risorius muscle contracts, causing the corners of the mouth to be pulled back towards the ears. This action creates a facial expression that is often associated with pain, disgust, or discomfort.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 19, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 02, 2014
    Quiz Created by
    Kelly
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