At the beginning of the adiabatic expansion, the temperature is TC=750CT_{C}=750^{\circ} \mathrm{C}TC=750C. A the scapula has a deeper socket than does the hip bone a. carpometacarpal joint of the phalanges C fibrous connective tissue c. act as friction-reducing structures ____ bursae are found where one tendon overlies another tendon. c. The bone moves away from the body (c)(c)(c) the fact that island species tend to most closely resemble species found on the nearest mainland Repeated acute episodes of bursitis can result in a chronic condition. Joint movement then results in pain and inflammation. Here, the upward projecting dens of the axis articulates with the inner aspect of the atlas, where it is held in place by a ligament. b. syndesmosis; bony edges interlock What are menisci (articular discs)? d. protraction. Which features of synovial joints are credited with providing friction-free movement? What does it mean to be "double-jointed?" c. fruiting body. d. the muscle twitch is prolonged and continuous, while tetanic is brief and jerky, b. the muscle twitch is a brief and "jerky movement", while the tetanic contraction is prolonged and continuous, Which of the following is not a feature of a synovial joint? At the elbow, olecranon bursitis is inflammation of the bursa between the skin and olecranon process of the ulna. a. a small muscle that helps with compression of the abdomen A thyroxine B a long bone has red bone marrow in the diaphysis Which of the following joints is more mobile than it is stable? b. provides the base for bone cells to produce new bone.c.is the structure into which granulation tissue grows. d. help anchor the tendon to the muscle, Performing "jumping jacks" requires ________. In separate calculations, determine the probabilities of the couple having five children with 000, 111, 222, 333, 444, and all 555 children being affected by the disorder. Hence sutures forming cranium is not a synovial joint.It is a fibrous joint. These factors put stress on the articular cartilage that covers the surfaces of bones at synovial joints, causing the cartilage to gradually become thinner. This stimulates the sarcolemma, which sends an impulse to the actin and myosin filaments. Joint found only in the skull. d. the patellar ligament. A increasing energy production Finally, an articular disc can serve to smooth the movements between the articulating bones, as seen at the temporomandibular joint. d. the joint capsules and ligaments are more stretchy and loose than normal, d. the joint capsules and ligaments are more stretchy and loose than normal, Synovial joints are classified into six main categories based on __________. A thyroxine c. between the humerus and the glenoid cavity True or False: Flexion of the ankle so that the superior aspect of the foot approaches the shin is called dorsiflexion. This causes calcium ions to be pumped into the T tubules. At the beginning A of the compression process, 500cm3500 \mathrm{cm}^{3}500cm3 of gas is at 100 kPa and 20.0C.20.0^{\circ} \mathrm{C}.20.0C. a. rotator cuff muscles a. patellar ligaments Joint fluid is a transudate of plasma that is actively secreted by synovial cells. C calcium can no longer be taken in by osteocytes in these areas b. syndesmosis Which of the following is one difference between bursae and tendon sheaths? If a torn anterior cruciate ligament (ACL) is not properly repaired, the consequences could include the inability to prevent ________. b. a long tendon that runs down the middle of the rectus abdominis b. synovial It contains a lubricating fluid that allows for smooth motions of the tendon during muscle contraction and joint movements. d. Muscle does not attch to muscle; it only attaches to bone. Synovial joints are directly supported by ligaments, which span between the bones of the joint. d. the ligaments, Which of the following terms would be used in the name of a muscle that moves the leg away from the body? Saddle c. Condyloid d. Gliding d. Gliding How does muscle attach to muscle? What caused this patients weakness? d. hinge. c. Tubules that allow electrical impluses to travel into the muscle cell b. a. the radius and ulna along its length It consists of short, branching fibers that fit together at intercalated discs Functionally, condyloid joints are biaxial joints that allow for two planes of movement. I and III only 3. c. It contains hydrochloric acid. However arthroplasty can provide relief from chronic pain and can enhance mobility within a few months following the surgery. Articulations permitting only slight degrees of movement are ________. c. An impulse triggers the release of acetycholine (ACh), which diffuses across the synaptic cleft to stimulate the T tubules to release calcium. Examination of joint fluid focuses on those properties and constituents of value in determining the cause of effusions. Ligaments allow for normal movements at a joint, but limit the range of these motions, thus preventing excessive or abnormal joint movements. The six types of synovial joints are pivot, hinge, condyloid, saddle, plane, and ball-and socket-joints (Figure 9.4.3). A red bone marrow is found in flat bones Saddle joints have concave and convex surfaces. C parietal and mandible Fibrous joint. At the shoulder, subacromial bursitis may occur in the bursa that separates the acromion of the scapula from the tendon of a shoulder muscle as it passes deep to the acromion. b. Which type of synovial joint allows for the widest ranges of motion? A coracoids process A suture is a type of fibrous joint that is only found in the skull (cranial bones+facial bones). Based on your knowledge of how muscle contraction occurs, what key symptoms would you expect to see and why? Muscles and their tendons acting across a joint can also increase their contractile strength when needed, thus providing indirect support for the joint. The type of joint between the carpal (trapezium) and the first metacarpal is a ________ joint. In . Bursae reduce friction by separating the adjacent structures, preventing them from rubbing directly against each other. Answer: FALSE Diff: 2 Page Ref: 223; Tbl. Affected joints become swollen, stiff, and painful. d. diarthrosis, Which of the following statements defines synchondroses? A small intestine d. basidium. A 5,3, 2 D all RBCs are produced by red bone marrow, The fontanels in an infant's skull are made of: d. hyaline cartilage. Examples include the subacromial bursa that protects the tendon of shoulder muscle as it passes under the acromion of the scapula, and the suprapatellar bursa that separates the tendon of the large anterior thigh muscle from the distal femur just above the knee. ABCDT(K)2931023P(kPa)100V(cm3)500. (g) Find the number of crankshaft revolutions per minute required for a one-cylinder engine to have an output power of 1.00 kW = 1.34 hp. C) The head of the humerus articulates with the acromion process. d. abductor, The segment of a myofibirl that is called a sarcomere runs from c. Gliding movements are multiaxial. a. Bursae are flattened fibrous sacs wedged between adjacent structures, while tendon sheaths are elongated fibrous sacs that wrap around tendons. a. twitch b. the triceps brachii is the synergist, and the brachialis is the prime mover Find and create gamified quizzes, lessons, presentations, and flashcards for students, employees, and everyone else. c. diarthrosis b. interphalangeal; plane a. fibrocartilage d. wedges of fibrocartilage that partially or completely divide the synovial cavity, d. wedges of fibrocartilage that partially or completely divide the synovial cavity, Moving your jaw forward, causing an underbite, is called ________. Freely movable (synovial) joints are most abundant and include six types: pivot, hinge, condyloid, saddle, plane, and ball-and-socket joints. Planar, hinge, pivot, condyloid, saddle, and ball-and-socket are all types of synovial joints. They are located in regions where skin, ligaments, muscles, or muscle tendons can rub against each other, usually near a body joint (Figure 9.4.2). A ball-and-socket joint is a multiaxial joint. Floxion of synevisi icintt joint angle while extension of aynovial joints joint angle. Identify the following individuals and their contributions to the development of quantum theory: Bohr, de Broglie, Einstein, Planck, Heisenberg, Schrodinger. Muscle cells b. A key structural characteristic for a synovial joint that is not seen at fibrous or cartilaginous joints is the presence of a joint cavity. b. Bursae serve as cushioning fat pads between adjacent structures, while tendon sheaths reduce friction between adjacent structures. A strong, fibrous cord that attches muscle to bone d. synovial joints. These structures can serve several functions, depending on the specific joint. A provides direct attachment for the arms The mysosin heads propel the actin myofilaments toward the center of the sarcomere; this pulls the Z disks closer together, which shortens the sarcomere and the entire muscle, Which statement correctly describes the sequence of events in the muscle contraction? a. tendons The joint responds by increasing production of the lubricating synovial fluid, but this can lead to swelling of the joint cavity, causing pain and joint stiffness as the articular capsule is stretched. Indirect joint support is provided by the muscles and their tendons that act across a joint. b. b. are lined with dense irregular connective tissue The impulse travels over the sarcolemma in all directions, Each muscle fiber is directly surrounded by connective tissue called the b. synovial D) The annular ligament surrounds the head of the radius. b. Not all choices will be used. b. articular (joint) capsule For severe cases, joint replacement surgery (arthroplasty) may be required. C vitamin D- becomes part of bone matrix b. bursitis a. epicranius occipitalis Rotation of the radius allows for forearm movements. b. treppe D both A and B, and outside the joint capsule, Which tissue is NOT an important part of synovial joints? Term. At the knee, inflammation and swelling of the bursa located between the skin and patella bone is prepatellar bursitis (housemaids knee), a condition more commonly seen today in roofers or floor and carpet installers who do not use knee pads. The following is a list of the joints' functional . d. provide a smooth surface at the ends of synovial joints, d. provide a smooth surface at the ends of synovial joints, Lifting up a glass to take a drink involves the elbow joint.
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