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72 Cards in this Set

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  • Back
Nonvascular, supporting connective tissue, located chiefly in the joints and in the nose, ear, thorax, trachea and larynx, that provides strength and flexibility of the skeleton
cartilage
The ability of a skeletal muscle to respond to a stimulus by forcibly shortening:
contractility
Permanent shortening of a muscle and eventual shortening of the ligaments and tendons:
contractures
The ability of the skeletal muscle to resume its resting length after it has shortened or lengthened:
elasticity
The ability of a skeletal muscle to receive and respond to a stimulus:
Excitability
The ability of a skeletal muscle to respond to a stimulus by extending and relaxing:
Extensibility
Assists in producing coordinated body movements by alerting the brain of the need to stimulate extensor muscles to reestablish an erect posture through stimulation of receptors in antigravity:
Extensor or antigravity reflex
The most serious consequences of improper body mechanics:
falls
The position of choice for a pt. that has difficulty breathing; the bed is elevated 45 degrees with the knees slightly bent:
Fowler's position
Injection of gallim citrate (Ga 67) or thallium (TI 201) into a vein and monitoring its uptake in the bones to provide gross information about the bones:
Gallum/thallium scan
Increase in size:
hypertrophy
Injection of a client's white blood cells, which have been tagged with indium (In 111), into a vein and monitoring its uptake in the bones to provide gross information about the bones:
Indium scan
Results in increase muscle tension and energy expenditure but no muscle shortening or work; eg: having a client press his/her feet against an immovable footboard - no work accomplished; footboard does not move , nervous system control of skeletal muscle contraction:
Isometric
Involves no joint movement or change in the length of the muscle but does involve change in the muscle tension;an exercise to help maintain muscle strength, ex: pt. wit cast on leg:
isometric exercise
Results in increase muscle tension , energy expenditure, muscle shortening, and work; eg: having a client use a trapeze to move him/er up in bed; work accomplished: lifting:
isotonic
Areas where bone surfaces come into close contact with one another (articulate):
joints
Assists in producing coordinated body movement by alerting an individual to movement of the head in relation to gravity through stimulation of receptors in the semicircular canals in the inner ear:
Labyrinthine sense
White, shiny, flexible bands of fibrous tissue connect bones to bones and provide strength and flexibility of skeleton:
ligaments
Most common problem seen in the standing position of an adult; inward curvature of a portion of the lumbar and cervical vertebral column
Lordosis
Normal body alignment for a _____ yr old is marked lumbar lordosis and protruding abdomen; this is not a sign of a problem:
2
The position that facilitates respiration by maximizing chest expansion; most helpful for pts who have problems with exhalation:
orthopneic
A condition in which bones become brittle and fragile due to calcium depletion; common in older women; primarily affects the weight bearing joints of the lower extremity and the back causes compression fractures of the vertebrae and hip function:
Osteoporosis
Can cause obesity and can distort movement; affects balance and posture:
over-nutrition
Assists in producing coordinated body movement by alerting the brain of the need to stimulate extensor muscle of lower legs through stimulation of receptors in the soles of the feet:
Plantar reflex
Assists in producing coordinated body movements by alerting the brain of the location of a limb or body part in space through stimulation of proprioceptive receptors in muscles, tendons and fascia:
Proprioceptive or kinesthietic sense
Bring about movement at a joint by strengthening the contraction of a prime move:
Synergistic
White, glistening bands of fibrous tissue; connect muscles to bones; provide strength and flexibility of the skeleton:
tendons
Urinary stasis, venous pooling, decreased vital capacity and increased HR can occur with
immobility
Urine will become alkaline with
immobility
Smooth muscle; located in walls of internal organs and blood vessels; function: contraction of viscera and blood vessels; cell shape: cylindrical; number of nuclei: one; striations: absent: type of control: involuntary:
Visceral muscle
Assists in producing coordinated body movement by alerting the brain of the spatial relationships within the environment through stimulation of receptors in the visual special sense:
visual or optic reflex
-support body tissues and provide the skeletal framework of the body
-protect body organs
-provide for movement
-act as a storehouse for mineral salts
-provide for hematopeoiesis
-divisions of the skeleton
Bones
Those bones comprising the skull, vertebral column and thorax; number = 60:
axial skeleton
Those bones comprising the legs, arms, shoulders and pelvis; number = 126
appendicle skeleton
Bone cells that form bone:
osteoblasts
Bone cells that reabsorb bone
osteoclasts
Dense, heavy, rigid bone arranged in concentric circles known as the Haversian system (or Osteen) which consists of the following:
- A central canal, called a Haversian canal
- Concentric layers of bone matrix, called lamellae
- Spaces between the lamellae, called lacunae
- Bone cells within the lacunae, called osteocytes
- Small channels, called canaliculi
Cortical (compact) bone tissue
Light, porous, bone arranged in concentric layers known as trabeculae, which branch and join to form meshwork:
Cancellous (spongy) bone tissue
Bones that are longer than they are wide consist of the following:
- Cancellous bone at the extremities (epiphyses)
- Compact bone in the shaft (diaphysis)
- General features of long bones
- A diaphysis, or shaft of long bones, Epiphyses, or extremities of long bones
- Articular cartilage, or thin layer of hyaline cartilage covering the articulating surface of each epiphysis of long bones
- Periosteum, or dense, white fibrous membrane that covers long bones, except at joint surfaces where articular cartilage forms the covering
- A medullary )marrow) cavity, or cavity in long bones, that contains yellow or fatty bone marrow
- An endosteum, or membrane that lines the medullary cavity and Haversian canals of long bones
- Ex: femur, fibula, tibia, humerus, phalanges of the fingers and toes
Long bones
Roughly cube-shaped bones consist of the following:
- An inner core of cancellous bone
- A thin outer layer of compact bone
- ex: Bones of the wrist and ankle
Short bones
Thin, flattened and usually curved bones consist of the following:
- An inner core of cancellous bone
- Two outer layers of compact bone
- eg: ribs, bones of the skull
Flat bones
Differing shaped bones consisting of the following:
- An inner core of cancellous bone
- A thin outer layer of compact bone
- eg:
- Vertebrae
- bones of the jaw
Irregular bones
- Stage One: A stimulus, such as a hormone, drug, or stressor, activates bone cell precursors to become osteoclasts

- Stage Two: Osteoclasts gradually reabsorb bone and leave behind an elongated cavity called a reabsorption cavity.

-Stage Three: Osteoblasts follow path of osteoclasts to crease new Haversian systems (orosteons) and trabeculae:
bone remodeling
Immovable joints such as skull sutures, epiphyseal plates, joint between first rib and manubrium of sternum:
Synarthroidal joint
Slightly moveable joints such as vertebral joints, joint of the symphysis pubis:
Amphiarthroidal
Freely movable joint; consistent features includes
- Ability to move freely
- A fibrous joint capsule
- A joint cavity
- A synovial membrane that lines the inner surface of the joint capsule
- Lubricating synovial fluid secreted by the synovial membrane
- Articular cartilage that covers the bony surfaces
Diarthroidial
Includes
- Ball-and-socket
- Ball-shaped head fits into concave socket of another bone
- hip joint
types of diarthoidial joints
Oval-shaped condyle (protuberance at the end of a bone) fits into elliptical cavity of another bone; eg: wrist joint between the radius and carpals
condyloid joint
Articular surfaces; usually flat; eg: finger joints between carpal bones:
Gliding joint
Spool-like surface fits into concave surface of another bone; eg: elbow joint between the humerus, ulna and radius:
Hinge joint
Arch-shaped structure rotates about rounded, or peg-like, pivot; eg: joint between the atlas and axis:
Pivot joint
Saddle-shaped bone fits into a socket that is convex on one side and concave on the other; eg: thumb joint between the trapezium and metacarpal:
Saddle joint
Areas where bone surfaces come into close contact with one another (articulate):
joints
White, shiny, flexible bands of fibrous tissue connect bones to bones and provide strength and flexibility of the skeleton:
Ligaments
White, glistening bands of fibrous tissue connect muscles to bones and provide strength and flexibility of the skeleton:
Tendons
Nonvascular, supporting connective tissue, located chiefly in the joints and in the nose, ear, thorax, trachea, and larynx that provides strength and flexibility of the skeleton:
cartilage
- heart
- Function:
- Pump blood through the heart and blood vessels
- Cell shape:
- Cylindrical
- Branching
- Number of nuclei
- One
- Striations
- Present
- Type of control
- Involuntary
Cardiac muscle
In a muscle cell contraction, nerve impulses travel along to the ________ junction where it stimulates the release of a ____________ which allows the nerve impulse to cross the _______ junction triggering it.
monaural junction
neurotransmitter
myoneural junction
Bring about & maintain an upright or sitting posture by contracting &/or relaxing to oppose the
effect of gravity on the body e.g., extensors of the leg, gluteus maximus, quadriceps Femoris, soleus muscles,
muscles of
Antigravity muscle groups
A diet high in protein, calories, & fiber should be encouraged for an
immobile pt
Activity which the amount of 02 taken into the body is greater than or equal to the amount the body
requires, uses large muscle groups
Aerobic
Activity in which muscles cannot draw out enough o2 from the bloodstream- endurance training
athletes
Anaerobic
Bring about movement at a joint by contraction of a prime mover & relaxation of its antagonist, e.g.: To flex the arm, the prime mover (biceps brachii)Contracts while its antagonist (triceps brachii) Relaxes To extend the arm, the new prime mover (tricepsbrachii) contracts while its new antagonist (Biceps brachii) relaxes
Antagonistic muscle groups
Nonvascular, supporting connective tissue, located chiefly in the joints & in the nose, ear, thorax,
trachea, & larynx, that provides strength & Flexibility of the skeleton
Cartilage
When blood levels of Ca ↓, the parathyroid gland senses the ↓ & releases parathyroid
hormone (PTH) to ↑ the removal of Ca from the bones. When blood levels of Ca ↑, the thyroid gland senses the ↑ & releases Calcitonin to inhibit the removal of Ca From the bones
Calcium homeostasis
Injection of a radionuclide medium (technetium [Tc99m]) into a vein and monitoring its uptake in the bones to provide gross Information about the bones
Bone scan
( a complication of immobility) - calcium & phosphate levels(serum & urine) may be ↑
Bone demineralization
Insertion of a trocar through the skin surface into the bone, & then passing a biopsy needle
through the Trocar, to obtain a tissue Specimen to assess abnormalities on bone cell structure
Bone biopsy
Instillation of a radiopaque contrast medium into the joint followed by Plain radiographs to determine gross Anatomic features &/or Abnormalities of the joint
Arthrogram
↓ in size
Atrophy
Assess whether the pt has the ability to bathe himself Assist the pt to a lateral position facing you before assisting a pt to sit on the edge of the bed
Assessing ADL’s
Egg crate mattress, pillows, wedges, & heel protectors
Assistive devices to maintain skin integrity