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CHAPTER 7 ICTC

MUSCULAR SYSTEM

QuestionAnswer
How many muscles is in the muscular system? over 600
WHAT IS THE PRIMARY FUNCTION OF THE MUSCULAR SYSTEM? MOVEMENT
NAME ANOTHER FUNCTION OF THE MUSCULAR SYSTEM NOT MOVEMENT. PRODUCES HEAT
MUSCULAR SYSTEM IS SPECIALIZED FOR WHAT? CONTRACTION
NAME THREE THINGS MUSCLES CAN DO. PULL,SHORTEN AND CONTRACT
NAME THE FOUR ORGAN SYSTEMS INVOLVED IN MOVEMENT. MUSCULAR, SKELETAL, NERVOUS,AND RESPIRATORY
WHAT DOES THE MUSCULAR ORGAN SYSTEM DO? IT MOVES THE BONES
WHAT DOES THE SKELETAL ORGAN SYSTEM DO? BONES ARE MOVED, AT JOINTS BY MUSCLES
WHAT DOES THE NERVOUS ORGAN SYSTEM DO? IMPULSES TO MUSCLE CAUSE CONTRACTION
WHAT DOES THE RESPIRATORY ORGAN SYSTEM DO? EXCHANGES O2 AND CO2 BETWEEN AIR AND BLOOD
MUSCLE TISSUE-SKELETAL IS VOLUNTARY AND ? STRIATED
MUSCLE TISSUE-SKELETAL IS MULTI NUCLEATED AND ? CYLINDRICAL
MUSCLE TISSUE -SKELETAL IS CAPABLE OF SUDDEN, POWERFUL CONTRACTIONS, READILY SUBJECT TO FATIGUE CANNOT SUSTAIN WHAT? CONTRACTION FOR LONG PERIODS OF TIME
MUSCLE TISSUE-SKELETAL IS MADE OF? SEVERAL FIBERS
MUSCLE TISSUE-SMOOTH IS VISCERAL AND ? INVOLUNTARY
MUSCLE TISSUE -SMOOTH IS SPINDLE SHAPED ONE NUCLEUS AND ? NON STRIATED
MUSCLE TISSUE -SMOOTH IS FOUND WHERE? IN WALLS OF HOLLOW OR TUBULAR STRUCTURES
MUSCLE TISSUE-SMOOTH IS RESPONSIBLE FOR WHAT? SLOWER SUSTAINED CONTRACTION
MUSCLE TISSUE -SMOOTH CAN REMAIN IN STATE OF CONTRACTION FOR LONG PERIODS OF TIME, SUSTAINED RHYTHMIC CONTRACTIONS AND WHAT? SELF EXCITING
EACH SKELETAL MUSCLE IS COMPOSED OF WHAT? THOUSANDS OF MUSCLE FIBERS (CELLS)
TENDONS CONNECT MUSCLES TO BONES AND MERGE WITH ? FASCIA
WHAT IS THE FASCIA? COVERS MUSCLE AND IS CONTINOUS WITH THE PERIOSTEUM OF THE BONES(MERGERS WITH TENDONS
HOW MANY POINTS IS EACH MUSCLE ATTACHED TO? AT LEAST 2 POINTS
NAME THE POINTS EACH MUSCLE IS ATTACHED TO. ORIGIN AND INSERTION
THE IMMOBILE POINT OF ATTACHMENT OR STATIONARY END IS THE ORIGIN
THE MOVEABLE POINT OF ATTACHMENT IS ? INSERTION
WHAT IS THE NAME OF THE CENTER OR LARGEST PART OF A MUSCLE? BODY OR BELLY
HOW DO MUSCLES BRING ABOUT MOVEMENT? BY WORKING IN PAIRS OR GROUPS
PRIME MOVERS ARE? THOSE MUSCLES THAT INITIATE MOVEMENT;ARE RESPONSIBLE FOR MOST OF THE MOVEMENT
DEFINE ANTAGONISTS: MUSCLES THAT OPPOSE THE ACTION OF THE PRIME MOVER AND MUST BE RELAXED SO THAT MOVEMENT MAY TAKE PLACE
DEFINE SYNERGIST: MUSCLES WITH THE SAME FUNCTION, OR THAT WORK TOGETHER TO PERFORM A PARTICULAR FUNCTION
HOW DO MUSCLES ATTACH TO BONES? THROUGH EITHER TENDINOUS OR FLESHY ATTACHMENTS
MUSCLES HAVE AT LEAST TWO ATTACHMENTS AND MUST CROSEE AT LEAST HOW MANY JOINTS? ONE
WHAT CAN AFFECT THE SHAPES OF BONES? MUSCLES
MUSCLES ALWAYS PULL AND GET? SHORTER
MOVEMENT THAT DECREASES THE ANGLE OF VENTRAL SURFACES ARE KNOWN AS ? FLEXION
MUSCLES THAT DECREASE THE ANGLE ARE KNOWN AS? FLEXORS
MUSCLES WORK IN ? PAIRS OPPOSING
WHAT DO MUSCLE STRIATIONS/ FIBER DIRECTION DO? POINT TO ATTACHMENTS AND SHOW DIRECTION OF PULL
WHERE DO NERVE IMPULSES FOR MOVEMENT COME FROM? THE FRONTAL LOBES OF THE CEREBRUM
COORDINATION OF MEOVEMENT IS CONTROLLED BY ? THE CEREBELLUM
WHAT IS MUSCLE TONE? THE STATE OF SLIGHT CONTRACTION OF MUSCLES
MUSCLE TONE HELPS TO MAINTAIN WHAT? UPRIGHT POSTURE AND IS THE ABILITY OF THE MUSCLE TO MAINTAIN A CONTRACTION
MUSCLES REQUIRE WHAT TO CONTRACT? ATP
CELLULAR RESPIRATION PRODUCES WHAT? WATER,CARBON DIOXIDE, AND ATP
NAME THE TWO GENERAL TYPES OF EXERCISE? ISOTONIC AND ISOMETRIC
ISOTONIC EXERCISE DOES WHAT? CONTRACT BRING ABOUT MOVEMENT
WHAT DOES ISOMETRIC EXERCISE DO? CONTRACT WITHOUT MOVEMENT
DEFINE PROPRIOCEPTION: THE BRAIN'S ABILITY TO KNOW WHERE MUSCLES ARE AND WHAT THEY ARE DOING WITHOUT LOOKING AT THEM
DEFINE STRETCH RECEPTORS: SEND INFORMATION TO THE PARIETAL LOBES OF THE CEREBRUM GENERAL FUNCTION IS TO DETECT CHANGE, GIVE BRAIN MENTAL PICTURE OF WHERE THE MUSCLE IS
NAME 3 ENERGY SOURCES FOR MUSCLE CONTRACTION. ATP,CREATINE PHOPHATE,GLYCOGEN
WHAT IS THE MOST ABUNDANT ENERGY SOURCE IN MUSCLE FIBERS? GLYCOGEN
IF O2 IS NOT PRESENT WHAT IS GLUCOSE CONVERTED TO AND WHY? LACTIC ACID, BECAUSE IT CANNOT BE COMPLETELY BROKEN DOWN.
WHAT DOES HEMOGLOBIN DO? DELIVERS O2 (RBC'S IN BLOOD)
WHAT DOES MYOGLOBIN DO? (WITHIN MUSCLE FIBERS)STORES O2
WHAT MINERAL MUST BE PRESENT FOR HEMOGLOBIN AND MYOGLOBIN? IRON
OXYGEN STORED UP IN WHAT IS QUICKLY USED UP DURING STRENOUS EXERCISE? MYOGLOBIN
GLUCOSE CONVERTS TO LACTIC ACID FOR ENERGY WHICH CAUSES WHAT? MUSCLE FATIGUE
INA STATE OF FATIGUE MUSCLES CANNOT WHAT? CONTRACT EFFICIENTLY AND CONTRACTON MAY BECOME PAINFUL
WHAT REMAINS HIGH TO RECOVER? RESPIRATORY/HEART RATE
WHAT HELPS TO REMOVE EXCESS HEAT? SWEATING
MOTOR NERVE ENDINGS(NUERONS) ARE FOUND WHERE? ON EACH FIBER
WHAT IS A NUEROMUSCULAR JUNCTION? WHERE MOTOR NUERON COMES IN CONTACT WITH MUSCLE FIRBER;AREA WHERE THE MOTOR NEURON TERMINATES ON THE MUSCLE FIBER
AXON TERMINAL (MOTOR END PLATE) ENLARGED TIP OF A MOTOR NEURON CONTAINS WHAT? ACETYCHOLINE
WHAT IS SARCOLEMMA? MEMBRANE OF THE MUSCLE FIBER; IT CONTAINS RECEPTOR SITES FOR ACETYLCHOLINE AND CHOLINESTERASE
WHAT IS SYNAPSE? SMALL SPACE BETWEEN THE AXON TERMINAL AND THE MUSCLE FIBER
WHAT IS ACTIN AND MYOSIN? PROTEINS IN MUSCLE FIBERS RESPONSIBLE FOR CONTRACTION AND RELAXATION MYOSIN IS THE CENTER OF THE SARCOMERE
WHAT IS THE FUNCTIONS OF TROPIN AND TROPOMYOSIN? PREVENT THE SLIDING OG ACTIN AND MYOSIN WHEN THE MUSCLE FIBER IS RELAXED
WHAT IS SACROPLASMIC RETICULUM? RESERVOIR FOR CALCIUM WHICH IS ESSENTIAL FOR THE CONTRACTION PROCESS
WHAT IS T TUBULES? INWARD FOLDS OF SARCOLEMMA THAT CARRY ACTION POTENTIAL TO THE INTERIOR FOF THE MUSCLE CELL
CNS SIGNALS (?) MOTOR NEURONS? STIMULATES
STIMULUS IS SPREAD TO THE WHAT JUNCTION? NEUROMUSCLAR
WHAT DO TERMINAL AXONS PRODUCE? cns
Created by: kim19smith66 on 2008-09-16



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