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Anatomy Chapter 6 Flashcards
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Anatomy Chapter 6 Flashcards

Created by
@ChivalrousSard7112

Questions and Answers

The bones that form the nasal septum are the _____

ethmoid and vomer

Which of the following bones does NOT have a paranasal sinus?

  • Maxilla
  • Sphenoid
  • Frontal
  • Temporal (correct)

    • The lambdoid suture is found between which two bones?

    parietal and occipital

    Bones that form the middle cranial fossa include the _____

    <p>sphenoid, temporal, and parietal</p> Signup and view all the answers

    Of the following features, which is NOT visible using this sagittal view of the skull?

    <p>External auditory meatus</p> Signup and view all the answers

    Which statement correctly describes the zygomatic arch?

    <p>The zygomatic bone has a temporal process.</p> Signup and view all the answers

    In the labeling activity, which bones articulate with the parietal bone?

    <p>sphenoid, temporal, occipital</p> Signup and view all the answers

    Which correctly describes the temporal bone?

    <p>It forms the only articulation with the mandible.</p> Signup and view all the answers

    The two bones that contain alveolar processes are the __________.

    <p>maxilla and mandible</p> Signup and view all the answers

    Which of the following bones is NOT part of the axial skeleton?

    <p>Clavicle</p> Signup and view all the answers

    The divisions of the skeletal system include (the) ________.

    <p>axial and appendicular</p> Signup and view all the answers

    The parietal, temporal, frontal, and occipital bones are part of (the) ________.

    <p>cranium</p> Signup and view all the answers

    Which of the following sutures marks the boundary between the temporal bone and the parietal bone of each side of the skull?

    <p>squamous</p> Signup and view all the answers

    The lambdoid suture is the boundary between which bones?

    <p>parietal and occipital</p> Signup and view all the answers

    Identify the cranial nerve that passes through the olfactory foramina.

    <p>the olfactory nerve (CN I)</p> Signup and view all the answers

    Identify the recessed area surrounding the crista galli.

    <p>cribriform plates</p> Signup and view all the answers

    Identify the primary function of the ethmoidal sinuses.

    <p>Reduce the weight of the skull</p> Signup and view all the answers

    Which part of the ethmoid bone forms the nasal septum?

    <p>perpendicular plate</p> Signup and view all the answers

    The ethmoid bone is a facial bone.

    <p>False</p> Signup and view all the answers

    The ethmoid bone contains sinuses.

    <p>True</p> Signup and view all the answers

    The ethmoid bone forms the inferior portion of the nasal septum.

    <p>False</p> Signup and view all the answers

    The ethmoid bone is part of the axial skeleton.

    <p>True</p> Signup and view all the answers

    Identify the location of the occipital bone.

    <p>posterior surface and base of the cranium</p> Signup and view all the answers

    Name the opening in the occipital bone through which the spinal cord passes.

    <p>foramen magnum</p> Signup and view all the answers

    Identify the area of the occipital bone that articulates with the vertebral column.

    <p>occipital condyles</p> Signup and view all the answers

    Identify the occipital bone landmark that cannot be palpated from the surface of the head.

    <p>occipital condyles</p> Signup and view all the answers

    Identify the large suture on the posterior surface of the skull at the border of the occipital bone.

    <p>lambdoid</p> Signup and view all the answers

    Identify the location of the sphenoid bone.

    <p>floor of the skull</p> Signup and view all the answers

    Identify the region of the sphenoid bone in contact with the pituitary gland.

    <p>sella turcica</p> Signup and view all the answers

    Identify the region of the sphenoid bone that contains the optic canal.

    <p>lesser wings</p> Signup and view all the answers

    Which of the following foramen convey a branch of the trigeminal nerve (CN V)?

    <p>foramen rotundum</p> Signup and view all the answers

    The sella turcica is best described as:

    <p>a depression</p> Signup and view all the answers

    The sphenoid bone contains a sinus.

    <p>True</p> Signup and view all the answers

    Identify the region of the temporal bone that forms part of the zygomatic arch.

    <p>zygomatic process</p> Signup and view all the answers

    Identify the region of the temporal bone that articulates with the lower jaw.

    <p>mandibular fossa</p> Signup and view all the answers

    Identify the hole that marks the opening of the ear canal on the superficial surface of the skull.

    <p>external auditory meatus</p> Signup and view all the answers

    Identify the bone that articulates superiorly with the temporal bone.

    <p>parietal bone</p> Signup and view all the answers

    Identify the landmark on the temporal bone that is a pointy spine.

    <p>styloid process</p> Signup and view all the answers

    Study Notes

    Nasal Anatomy

    • The nasal septum consists of the ethmoid and vomer bones.

    Paranasal Sinuses

    • The temporal bone does not contain a paranasal sinus.

    Sutures and Cranial Fossa

    • The lambdoid suture is formed between the parietal and occipital bones.
    • The middle cranial fossa is made up of the sphenoid, temporal, and parietal bones.

    Bone Visibility

    • The external auditory meatus is not visible in a sagittal view of the skull.

    Zygomatic Arch

    • The zygomatic arch is characterized by the temporal process of the zygomatic bone.

    Parietal Bone Articulations

    • The parietal bone articulates with the sphenoid, temporal, and occipital bones.

    Temporal Bone

    • The temporal bone is unique for forming the only joint with the mandible.

    Alveolar Processes

    • The maxilla and mandible contain alveolar processes.

    Skeletal System Divisions

    • The skeletal system is divided into axial and appendicular categories.

    Cranium Components

    • The cranium is composed of the parietal, temporal, frontal, and occipital bones.

    Sutural Boundaries

    • The squamous suture marks the interface between the temporal and parietal bones.

    Cranial Nerves

    • The olfactory nerve (CN I) passes through the olfactory foramina in the cribriform plates, surrounding the crista galli.

    Ethmoid Bone Functions

    • The ethmoidal sinuses serve to reduce the weight of the skull.
    • The perpendicular plate of the ethmoid bone forms part of the nasal septum.

    Ethmoid Bone Classification

    • The ethmoid bone is classified as part of the axial skeleton.

    Occipital Bone Anatomy

    • The occipital bone is located at the posterior base of the cranium and houses the foramen magnum, where the spinal cord passes.
    • Occipital condyles are critical for articulation with the vertebral column.

    Sphenoid Bone Characteristics

    • The sphenoid bone is located at the skull's floor and features the sella turcica, which is an area where the pituitary gland rests.
    • The lesser wings of the sphenoid bone contain the optic canal.

    Trigeminal Nerve Pathway

    • The foramen rotundum conveys a branch of the trigeminal nerve (CN V).

    Temporal Bone Features

    • The zygomatic process contributes to the zygomatic arch, while the mandibular fossa articulates with the lower jaw.
    • The external auditory meatus marks the opening of the ear canal, and the styloid process is a pointed spine landmark on the temporal bone.

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    Description

    Test your knowledge with these flashcards focused on Anatomy Chapter 6. This quiz covers various bones, sutures, and structures of the skull. Perfect for students preparing for exams or anyone looking to refresh their anatomical knowledge.

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