Head And Neck Anatomy Quiz
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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. 22Explanation
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.Rate this question:
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- 2.
How many bones are found in the neurocranium?
- A.
8
- B.
7
- C.
6
- D.
10
Correct Answer
A. 8Explanation
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.Rate this question:
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- 3.
How many bones are found in the viscerocranium?
- A.
14
- B.
12
- C.
10
- D.
11
Correct Answer
A. 14Explanation
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.Rate this question:
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- 4.
Neurocranium means around the cranium and viscerocranium means on the face.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
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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 tuberosityExplanation
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.Rate this question:
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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 meatusExplanation
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.Rate this question:
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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 BoneExplanation
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.Rate this question:
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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. AtlasExplanation
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.Rate this question:
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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 boneExplanation
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.Rate this question:
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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 fissureExplanation
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.Rate this question:
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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 arteryExplanation
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.Rate this question:
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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 notchExplanation
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.Rate this 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, anteriorExplanation
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.Rate this question:
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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 processExplanation
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.Rate this question:
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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. MeatusExplanation
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.Rate this question:
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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, palatineExplanation
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.Rate this question:
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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 nerveExplanation
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.Rate this question:
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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 bonesExplanation
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.Rate this question:
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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 boneExplanation
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.Rate this question:
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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. OccipitalExplanation
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.Rate this question:
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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. SquamousExplanation
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.Rate this question:
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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. SpHenoidExplanation
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.Rate this question:
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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. OccipitalExplanation
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.Rate this question:
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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 sympHysisExplanation
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.Rate this question:
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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. ProcessExplanation
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."Rate this question:
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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. WingExplanation
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.Rate this question:
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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 ridgeExplanation
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.Rate this question:
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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, anteriorExplanation
The occipital condyles are located on the lateral and anterior sides of the foramen magnum.Rate this question:
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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. EthmoidExplanation
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.Rate this question:
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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. 7Explanation
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.Rate this question:
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- 31.
The single floating bone in the neck is the hyoid bone
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
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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. SupraorbitalExplanation
The pair of foramina that are located above the eye socket on the eyebrow are called supraorbital foramen.Rate this question:
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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 boneExplanation
The frontal bone in the interior cranial view surrounds another smaller "walnut-shaped" bone called the ethmoid bone.Rate this question:
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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 turcicaExplanation
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.Rate this question:
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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 processExplanation
The pencil-shaped process that occurs on the inferior portion of the temporal bone is known as the styloid process.Rate this question:
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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 boneExplanation
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.Rate this question:
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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. FalseExplanation
The submandibular gland does not rest on the mandible. It is actually located beneath the mandible, in the submandibular triangle of the neck.Rate this question:
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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 aponeurosisExplanation
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.Rate this question:
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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. MasseterExplanation
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.Rate this question:
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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 structureExplanation
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.Rate this question:
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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. TransverseExplanation
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.Rate this question:
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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. MylohyoidExplanation
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.Rate this question:
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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 musclesExplanation
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.Rate this question:
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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 orisExplanation
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.Rate this question:
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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 musclesExplanation
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.Rate this question:
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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 musclesExplanation
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.Rate this question:
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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. MentalisExplanation
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.Rate this question:
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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 expressionExplanation
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.Rate this question:
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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 musclesExplanation
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.Rate this 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. RisoriusExplanation
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.Rate this question:
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Jul 16, 2024Quiz Edited by
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Expert Reviewed by
Stephen Reinbold -
Dec 02, 2014Quiz Created by
Kelly
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