BTE Unit 5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Product Liability | having legal responsibility for failure of the product
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| Reliability | the probability of satisfactory operation of the product in a given environment over a specified time interval
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| Design | translation of a concept into a producible satisfactory salable product
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| Data | information used a basis for reasoning or decision making
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| Case Study | broad based analysis of an engineering problem
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| Appendicular | 126 bones of upper and lower extremities
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| Axial skeleton | 80 bones of skull, spinal column, ribs, sternum and hyoid bone
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| Joint | bone meets bone, held together by ligaments; synovial fluid lubricates
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| Ball and socket joint | moveable such as hip and shoulder joints; sphere head of one bone fits into socket of another bone
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| Gliding joint | example would be between vertebrae, surfaces are almost planes such as metacarpals; difference is in the shape of two bones
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| Hinge joint | movement in 1 direction, unilateral joint, example knee joint or elbow
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| Diarthroses | joints with free movement
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| Syntharthroses | joints with no movement; example might be sutures of skull
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| Condylarthrosis | a joint like the knee formed by a rounded bone at the extremity of a bone
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| Biocompatibility | use of various materials to replace human components without adverse results
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| Saddle joint | biaxial synovial joint in which the double motion is affected by opposition of two surfaces as in the thumb
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| Orthopedic implant | device inserted to repair orthopedic injury or diseases
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| Atrium | chambers of the heart where blood is received from body before going to ventricles
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| Ventricle | chambers in the heart receiving blood from atrium on same side, pumps blood into arteries
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| bicuspid valve | located between L atrium and L ventricle; also known as mitral valve
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| mitral valve | located between L atrium and L ventricle, controls blood flow
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| semilunar valve | half moon shaped valve which prevents blood from flowing back into heart
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| artery | muscular walled and elastic walled blood vessel that carries oxygenated blood from heart to body
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| capillary | smallest of the body's blood vessels
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| tricuspid valve | controls blood flow from R atrium to R ventricle
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| atrioventricular valve | prevents return of blood to the atrium
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| P wave | first upward wave in an ECG which indicates the atrial depolarization
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| T wave | 3rd wave in an ECG which indicates ventricular repolarization
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| Sinoatrial node | pacemaker of the heart
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| Pacemaker | electronic device which is surgically implanted into the pt. heart and chest to regulate heartbeat
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| Pericardium | membranous sac surrounding the heart and major blood vessels connected to it
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| Pulse | rate at which the heart beats, rhythmic contraction and expansion of arteries with each beat of the heart
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| Nanotechnology | a branch of science and engineering devoted to design and production of extremely small electronic devices and circuits built from atoms and molecules
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| Stent | slender rod, thread, or catheter inserted into a tubular structure such as a blood vessel to provide support during or after anastomosis
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| QRS Complex | the 2nd wave of an ECG and it is associated with the depolarization of the ventricles
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| Myocardial infarction | result of permanent damage to an area of heart muscle
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| ECG | electrocardiogram, test which records the electrical activity of the heart, shows abnormal rhythm and heart muscle damage
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