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HBS Unit 4 Test
Terms in this set (63)
The movement of _________ is move "away" from the body
rotating bone turns around an axis; i.e. connection between radius/ulna and humerus (neck is also an example)
Joint between bones (as at the elbow or knee) so that they can only move along one axis to flex or extend
allows one bone to slide over another; found in wrist and ankles
ball and socket joint
spherical head of one bone fits into a round socket in another; i.e. shoulder and hip
allows movement back and forth and up and down (ex: fingers and toes)
a place where two bones meet but movement does not occur, as in the skull
A place where two or more bones meet with movement
range of motion; the measurement of movement
Flexible connective tissue usually between joints to help with motion or cushion (ex: nose and ears)
Connects bone to bone
An injury in which the ligaments holding bones together are stretched too far and tear.
Connect muscle to bone
freely movable joints (all the joints in our body)
The ____________ is a device used to measure the range of motion of a joint
____________ flexion is the pointing downward of the foot toward the ground
What is the upper body example of a ball and socket joint?
__________ is the movement of a joint that increases the angle of the joint
__________ is the movement of a joint that decreases the angle of the joint
The skin around the middle myofibril is called what?
tissue composed of fibers that can contract, causing movement of an organ or part of the body
What are the 3 types of muscle?
skeletal, cardiac, smooth
The attachment of a muscle tendon to a stationary bone or the end opposite the insertion (non moving part)
The attachment of a muscle tendon to a moveable bone or the end opposite the origin (moving)
bundle of muscle fibers
What covers the fasicles?
tightly packed filament bundles found within skeletal muscle fibers (breaks into actin and myosin)
What are the two proteins that make the "sliding filament mechanism"
Actin and myosin
A contractile protein that is part of the thin filaments in muscle fibers
Thick filament of protein found in skeletal muscle cells
A ________ muscle's only job is to contract and move bone or joint
Which types of muscle is striated?
Cardiac and skeletal
Which type of muscle is non striated?
Any of the repeating structural units of striated muscle fibrils
________ damage is done to the medial nerve in the wrists and is painful
Carpal Tunnel Sydrome (ulnar and radial nerve damage due to improper positioning)
a purple or red discoloration of the skin caused by pooling of blood after death
The gradual cooling of the body following death.
skin paleness post mortem
________ muscle is found only in the intestines
Network of interlacing blood vessels or nerves, and muscles in one area
What is an artery on the heart itself called?
What is the only vein that carries oxygen rich blood into the heart?
What are the four chambers of the heart?
Right atrium, right ventricle, left atrium, left ventricle
What are the 2 major valves of the heart?
Tricuspid (right side) and bicuspid (left side)
flow of blood from the heart to the lungs and back to the heart
circulation that supplies blood to all the body except to the lungs
types of blood vessels
arteries, veins, capillaries
Tiny vessels that connect arteries and veins
Blood vessels that are smaller branches off of arteries.
Which side of the heart has thicker walls?
Where does the pulmonary artery go?
Carries deoxygenated blood to the lungs
The 100 meter dash is an __________ exercise
Path of blood through the heart
Blood flows into the heart through the superior and inferior cena cava, into the right atrium, through the tricuspid valve, into the right ventricle, then into the pulmonary artery, then to the lungs, then into the pulmonary vein, then to the left atrium, then through the mitral valve into left ventricle, leaves through the aorta into the rest of the body
hardening of the arteries
condition in which fatty deposits called plaque build up on the inner walls of the arteries
Beat of the heart as felt through the walls of the arteries. (Arterial pressure)
beats per minute
the amount of blood pumped out by the ventricles in a given period of time
What is the formula for cardiac output?
CO = SV x HR
the volume of blood pumped out by a ventricle from one beat
peripheral arterial disease (PAD)
blockage of arteries carrying blood to the legs, arms, kidneys, and other organs (narrowed blood vessels reduce blood flow)
Process that requires oxygen (slower and more for endurance)
intense physical activity that requires little oxygen but uses short bursts of energy (fast and powerful)
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