Anatomy & Physiology: MUSCLE AND MUSCLE TISSUE Flashcards


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created 10 years ago by mramra
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CHAPTER 9
updated 10 years ago by mramra
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College: First year
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1

NAME 3 TYPES OF MUSCLE TISSUE

SKELETAL
CARDIAC
SMOOTH

2

DESCRIBE SKELETAL MUSCLE

SKELETON
STRIATED
VOLUNTARY

3

DESCRIBE CARDIAC MUSCLE

HEART

STRAITED
INVOLUNTARY

4

NAME SPECIAL CHARACTERISTICS OF MUSCLE TISSUE

EXCITABILITY
CONTRACTILITY
EXTENSIBILITY
ELASTICITY

5

NAME THE FUNCTIONS OF MUSCLES

MOVEMENT

MAINTAINING BODY POSTURE AND BODY POSITION

STABILIZING JOINTS

HEAT GENERATION

6

EACH MUSCLE IS SERVED BY

ONE ARTERY
ONE NERVE
ONE OR MORE VEINS

7

DEFINE FASCICLES

GROUPS OF MUSCLE FIBERS

8

WHAT ARE THE CONNECTIVE SHEATHS OF SKELETAL MUSCLE

EPIMYSIUM
PERIMYSIUM
ENDOMYSIUM

9

NAME THE DENSE REGULAR CONNECTIVE TISSUE SURROUNDING ENTIRE MUSCLE

EPIMYSIUM

10

NAME THE FIBROUS CONNECTIVE TISSUE SURROUNDING FASCICLES(groups of muscle fibers)

PERIMYSIUM

11

NAME THE FINE AREOLAR CONNECTIVE TISSUE SURROUNDING EACH MUSCLE FIBER

ENDOMYSIUM

12

DEFINE DIRECTLY ATTACHMENT

EPIMYSIUM OF MUSCLE IS FUSED TO THE PERIOSTEUM OF BONE OR THE PERICHONDRIUM OF CARTILAGE

13

DEFINE INDIRECTLY ATTACHMENT

CONNECTIVE TISSUE WRAPPINGS EXTEND BEYOND THE MUSCLE AS A ROPELIKE TENDON OR SHEETLIKE APONEUROSIS

14

TRUE OR FALSE

MOST OF THE BODY MUSCLES ARE DIRECTLY ATTACHED

FALSE

15

DEFINE APONEUROSIS

FIBROUS OR MEMBRANOUS SHEETS CONNECTING A MUSCLE AND THE PART IT MOVES

16

DEFINE SARCOLEMMA

MEMBRANE OF MUSCLE FIBER

17

DEFINE SARCOMERE

THE SMALLEST CONTRACTILE UNIT OF A MUSCLE FIBER-THE FUNCTIONAL UNIT OF SKELETAL MUSCLE

18

NAME THE THICK FILAMENT

MYOSIN

19

NAME THE THIN FILAMENT

ACTIN

20

WHERE IS THE H ZONE?

MID SECTION OF A BAND

21

TRUE OR FALSE

A BANDS ARE LIGHT

FALSE

22

TRUE OR FALSE

I BANDS ARE LIGHT

TRUE

23

WHERE IS THE M ZONE LOCATED?

MIDLINE OF H ZONE

24

THE LIGHT I BANDS HAVE A MIDLINE INTERRUPTION, A DARKER AREA CALLED THE ______.

Z DISC

25

TRUE OR FALSE

Z DISC TO Z DISC(z line)CONTAINS AN A-BAND FLANKED BY HALF AN I-BAND AT EACH END

TRUE

26

TRUE OR FALSE

A SARCOMERE IS THE REGION OF A MYOFIBRIL BETWEEN TWO SUCCESSIVE Z DISC

TRUE

27

NAME THE SKELETAL MUSCLE FIBERS CONTAIN TWO SETS OF INTRACELLULAR TUBULES THAT PARTICIPATE IN REGULATION OF MUSCLE CONTRACTION

the SARCOPLASMIC RETICULUM and T TUBULES