Articulations

25 July 2022
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88 test answers

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Which is not correct regarding articulations?
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All articulations contain some type of cartilage.
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The term diarthrosis refers to a joint that is:
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freely mobile.
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In fibrous joints, the articulating surfaces are held together by:
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dense regular connective tissue.
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The sagittal suture is a(n):
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fibrous joint.
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Sutures are joints that are found:
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between certain bones of the skull.
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An articular capsule is present in:
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synovial joints.
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Gomphoses:
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are found only in tooth sockets.
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Functionally, a gomphosis is categorized as a:
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synarthrosis.
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The interosseous membrane between the radius and the ulna is an example of a:
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syndesmosis
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Structurally, a syndesmosis is a _________ joint; functionally, it is a __________.
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fibrous, amphiarthrosis
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The pubic symphysis is classified as a:
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cartilaginous joint and an amphiarthrosis.
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A synarthrosis is:
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immobile
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A synarthrotic joint would have:
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low mobility and high stability.
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Which is not a cartilaginous joint?
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Second sternocostal joint
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In a young person, the joint between the sphenoid bone and the occipital bone is a:
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synchondrosis.
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What type of cartilage is located between the bones in a symphysis?
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Fibrocartilage
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Which is not true about synovial joints?
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Blood circulates within the joint cavity to nourish the articular cartilage.
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Which is not a function of synovial fluid?
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Nourishes osteocytes
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Which is not true regarding ligaments?
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Intrinsic ligaments are thickenings of the articular cartilage.
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Which are not considered to be features of a synovial joint?
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Muscles
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Fluid-filled sacs that cushion synovial joints are called:
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bursae
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Synovial fluid is:
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an oily fluid produced by the synovial membrane.
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Based on its range of motion, the elbow is classified as a(n) __________ joint.
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uniaxial
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Which joint is multiaxial?
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Ball and socket
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Which of these synovial joints does not have at least one rounded or convex surface?
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Plane
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The joint formed by the axis and atlas that permits the "no" shaking of the head is a _____ joint.
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pivot
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The metatarsophalangeal joints allow movement in two planes and are classified as _________ joints.
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condylar
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Which is not a correct pairing of a joint with its classification?
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Intertarsal - condylar
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The ________ joint is the simplest synovial joint and also the least mobile synovial joint.
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plane
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The fixed point around which a lever rotates is the _________.
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fulcrum
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In the body, a joint serves as a ________ for a long bone.
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fulcrum
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When considering leverage, the part of the bone from the muscle attachment to the joint would be the:
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effort arm.
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If a heavy load is at one end of a lever, the distance between the fulcrum and that load is called the:
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resistance arm.
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In a first class lever:
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the fulcrum is in the middle, between the effort and the resistance.
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When considering joints in the human body, the most common lever type is the:
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third-class lever.
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The way that our calf muscles contract to cause plantarflexion resembles the lever system of a wheelbarrow; it is a _______ class lever.
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second
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In general, the movements demonstrated at plane joints between the carpals are:
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gliding movements.
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A movement that increases or decreases the angle between two bones is a(n) __________ motion.
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angular
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When the angle between articulating bones increases beyond the anatomical position, the movement is referred to as:
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hyperextension.
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Rotation of the forearm so as to direct the palm anteriorly (as in anatomic position) is called:
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supination
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Movement of a body part toward the main axis of the body is called:
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adduction
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The movement that occurs when the trunk of the body moves in a coronal plane laterally away from the body is:
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lateral flexion.
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When the arm is raised anteriorly, the movement at the shoulder is:
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flexion.
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If you move your head in such a way to look up at the ceiling, you are _________ your neck.
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hyperextending
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Clenching the fingers to make a fist, then relaxing and straightening them is an example of __________ followed by __________.
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flexion, extension
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The joint movement called eversion involves:
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turning the sole of the foot laterally.
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If you were to reach out your hand to receive a set of keys from someone, what movements of your forearm and hand would be involved?
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Supination and extension
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Which does not correctly pair a movement with its opposing movement?
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Elevation - retraction
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In the temporomandibular joint, a pad of fibrocartilage called the _________ divides the synovial cavity into two separate chambers.
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articular disc
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Which is not a correct pairing of a joint with its common name?
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Glenohumeral joint - elbow
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The articular capsule of the temporomandibular joint is exceptionally:
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loose
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When protracting the jaw or making small side to side movements during chewing, the temporomandibular joint makes ________ movements.
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gliding
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When elevating the mandible to chew food, the temporomandibular joint functions as a _________ joint.
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hinge
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Which ligament is not associated with the glenohumeral joint?
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Humeral collateral ligament
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The acromioclavicular joint is part of the:
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shoulder.
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The sternoclavicular joint is a saddle joint with a _______ range of movement.
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wide
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The coracoclavicular ligament is a ______ ligament that connects the clavicle to part of the _______.
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strong, scapula
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The glenohumeral joint exhibits:
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a low level of stability but a wide range of motion.
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One of the weakest parts of the shoulder, is the part that lacks tendons of the rotator cuff. This weak area is the ______ aspect of the shoulder.
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inferior
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The glenohumeral ligaments are:
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weak and indistinct.
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Which joints are responsible for flexion and extension at the elbow?
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Humeroulnar and humeroradial
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The elbow is a _______ joint.
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hinge
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Which ligament is responsible for holding the head of the radius in place?
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Anular ligament
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The main ligament supporting the lateral aspect of the elbow is the:
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radial collateral ligament.
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The elbow contains _____ articular capsule(s).
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one
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The fibrocartilage rim that deepens the hip socket is the:
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acetabular labrum.
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Strong reinforcement for the anterior aspect of the hip joint is provided by the Y-shaped:
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iliofemoral ligament.
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The ligamentum teres of the hip extends from the:
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acetabulum to the head of the femur.
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When compared to the shoulder, the hip joint has:
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a deeper bony socket and stronger supporting ligaments.
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In addition to its hinge function, when the knee is _______ it allows for some slight ________.
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flexed, rotation
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Which knee ligament is most crucial for preventing hyperadduction?
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Fibular collateral ligament
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In addition to the joint between the tibia and the femur, the knee contains a joint between the:
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patella and the femur.
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The patellar ligament attaches the patella to the:
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tibia
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Which of the following describes a meniscus?
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Fibrous cartilage pads
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What is the function of the cruciate ligaments in the knee joint?
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Limit the movement of the femur on the tibia
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The deltoid ligament, lateral ligament, and tibiofibular ligaments belong to the ________ joint.
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talocrural
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In the human body, joints start to form by the _________ week of embryonic development.
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6th
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During development of synovial joints, the articular capsule forms from mesenchymal tissue that is:
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laterally located.
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Common, wear-and-tear arthritis in which repeated use of a joint gradually wears down the articular cartilage, is known as:
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osteoarthritis.
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This figure shows the temporomandibular joint. Which number indicates the stylomandibular ligament?
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3
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This figure shows the temporomandibular joint. Which number indicates the articular capsule?
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2
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These figures show the coxal joint. Which number indicates the pubofemoral ligament?
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2
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These figures show the coxal joint. What structure does number 6 indicate?
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Ligament of head of femur
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This figure shows the knee joint. Which number indicates the tibial collateral ligament?
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3
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This figure shows the knee joint. What structure does number 4 indicate?
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Anterior cruciate ligament
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This figure shows a sagittal section of the knee joint. Which number indicates the menisci?
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2
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This figure shows a sagittal section of the knee joint. Which number indicates the patellar ligament?
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4
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This figure shows a sagittal section of the knee joint. Which number indicates the prepatellar bursa?
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5