A&p Chapter 7 Self Quiz - The Skeletal System: The Axial Skeleton

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Skeletal System Quizzes & Trivia

Welcome to “A&P Chapter 7 Self Quiz – The Skeletal System: The Axial Skeleton”, where today we’ll be taking a closer look at the bones of the matter, so to speak, as we look at our skeletons! What do you know about this vastly important part of our bodies? Find out now!


Questions and Answers
  • 1. 

    Membrane-filled spaces between cranial bones that enable the fetal skull to modify its size and shape for passage through the birth canal are called                       .

    Explanation
    Membrane-filled spaces between cranial bones that enable the fetal skull to modify its size and shape for passage through the birth canal are called fontanels.

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  • 2. 

    The hypophyseal fossa of the sella turcica of the sphenoid bone contains the                           .

    Explanation
    The hypophyseal fossa of the sella turcica of the sphenoid bone contains the pituitary gland. The pituitary gland, also known as the "master gland," is a small pea-sized gland located at the base of the brain. It plays a crucial role in regulating various bodily functions by producing and secreting hormones that control growth, metabolism, reproduction, and other important processes. The sella turcica is a bony depression in the sphenoid bone that houses and protects the pituitary gland.

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  • 3. 

    The regions of the vertebral column that consist of fused vertebrae are the                   and the                .

    Explanation
    The regions of the vertebral column that consist of fused vertebrae are the sacrum and the coccyx. The sacrum is a triangular bone located at the base of the spine, formed by the fusion of five sacral vertebrae. It connects the vertebral column to the pelvic girdle. The coccyx, also known as the tailbone, is a small triangular bone at the bottom of the vertebral column. It consists of four fused coccygeal vertebrae and provides attachment for various muscles and ligaments.

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  • 4. 

    The atlanto-occipital joints allow you to rotate the head, as in signifying "no".

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The atlanto-occipital joints are responsible for the flexion and extension of the head, allowing us to nod up and down. Rotation of the head, as in signifying "no," is primarily controlled by the atlantoaxial joints. Therefore, the statement that the atlanto-occipital joints allow you to rotate the head is false.

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  • 5. 

    Ribs that are not attached to the sternum are known as the true ribs.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Ribs that are not attached to the sternum are actually known as the false ribs. The false ribs are the last five pairs of ribs in the ribcage, which are not directly connected to the sternum. Instead, they are attached to the rib above them or not attached at all in the case of the last two pairs. The true ribs, on the other hand, are the first seven pairs of ribs that are directly attached to the sternum. Therefore, the statement "Ribs that are not attached to the sternum are known as the true ribs" is incorrect.

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  • 6. 

    In which of the following bones are paranasal sinuses not found?

    • A.

      Frontal bone

    • B.

      Sphenoid bone

    • C.

      Lacrimal bones

    • D.

      Ethmoid bone

    • E.

      Maxillae

    Correct Answer
    C. Lacrimal bones
    Explanation
    Paranasal sinuses are air-filled spaces within the bones of the skull that are connected to the nasal cavity. They help to lighten the weight of the skull and produce mucus that moisturizes the nasal passages. The paranasal sinuses are found in several bones, including the frontal bone, sphenoid bone, ethmoid bone, and maxillae. However, the lacrimal bones, which are located in the inner corner of the eye socket, do not contain paranasal sinuses.

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  • 7. 

    Which of the following pairs are mismatched?

    • A.

      Mandible: only movable bone in the skull

    • B.

      Hyoid: bone that does not articulate with any other bone

    • C.

      Sacrum: supports lower back

    • D.

      Thoracic vertebrae: articulate with thoracic ribs posteriorly

    • E.

      Inferior nasal conchae: classified as facial bones

    Correct Answer
    C. Sacrum: supports lower back
    Explanation
    The given answer is correct because the sacrum is a triangular bone located at the base of the spine, between the two hip bones. It forms the posterior wall of the pelvis and provides support to the lower back.

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  • 8. 

    Which of the following bones are not paired?

    • A.

      Vomer

    • B.

      Palatine

    • C.

      Lacrimal

    • D.

      Maxilla

    • E.

      Nasal

    Correct Answer
    A. Vomer
    Explanation
    The vomer is the only bone listed that is not paired. It is a thin, flat bone that is located in the midline of the nasal cavity, dividing it into left and right sides. The palatine, lacrimal, maxilla, and nasal bones are all paired bones that are found on both sides of the face.

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  • 9. 

    The suture located between a parietal and temporal bone is the

    • A.

      Lambdoid

    • B.

      Sagittal

    • C.

      Coronal

    • D.

      Anterolateral

    • E.

      Squamous

    Correct Answer
    E. Squamous
    Explanation
    The suture located between a parietal and temporal bone is the squamous suture. The squamous suture is a type of joint that connects the squamous part of the temporal bone with the parietal bone. It is a flat, irregularly shaped suture that is commonly found in the skull. The other options mentioned in the question, such as lambdoid, sagittal, coronal, and anterolateral, do not accurately describe the suture between the parietal and temporal bone.

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  • 10. 

    The primary vertebral curves that appear during fetal development are the 1. cervical curve 2. thoracic curve 3. lumbar curve 4. coccyx curve 5. sacral curve

    • A.

      2 and 3

    • B.

      1 and 2

    • C.

      2 and 4

    • D.

      2 and 5

    • E.

      1 and 3

    Correct Answer
    D. 2 and 5
    Explanation
    During fetal development, the primary vertebral curves that appear are the cervical curve (1), thoracic curve (2), and lumbar curve (3). The coccyx curve (4) and sacral curve (5) are not primary curves and do not appear during fetal development. Therefore, the correct answer is 2 and 5.

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  • 11. 

    Which of the following are functions of the cranial bones? 1. protection of the brain 2. attachment of muscles that move the head 3. protection of the special sense organs 4. attachment to the meninges 5. attachment of muscles that produce facial expressions

    • A.

      1, 2, and 5

    • B.

      1, 2, 4 and 5

    • C.

      2 and 5

    • D.

      1, 2, 3, and 5

    • E.

      1, 2, 3, 4, and 5

    Correct Answer
    E. 1, 2, 3, 4, and 5
    Explanation
    The cranial bones serve multiple functions including the protection of the brain, attachment of muscles that move the head, protection of the special sense organs, attachment to the meninges, and attachment of muscles that produce facial expressions. Therefore, the correct answer is 1, 2, 3, 4, and 5.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 16, 2012
    Quiz Created by
    MelMH
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