workshop 3

Question 1

What are the four main tissue types?

Answer 1

Epithelial

Question 2

What characterizes muscle tissue?

Answer 2

Ability to create force and movement; highly vascularized

Question 3

What are the three types of muscle tissue?

Answer 3

Skeletal

Question 4

What is the prefix ‘myo’ or ‘mys’ associated with?

Answer 4

Muscle (e.g.

Question 5

Where is skeletal muscle found?

Answer 5

Attached to bones

Question 6

Where is cardiac muscle found?

Answer 6

In the heart

Question 7

Where is smooth muscle found?

Answer 7

In tubes and cavities of the body (e.g.

Question 8

What are the characteristics of muscle tissue?

Answer 8

Excitability

Question 9

What is excitability in muscle tissue?

Answer 9

The ability to respond to stimuli

Question 10

What is contractility in muscle tissue?

Answer 10

The ability to forcibly shorten

Question 11

What is extensibility in muscle tissue?

Answer 11

The ability to stretch or lengthen

Question 12

What is elasticity in muscle tissue?

Answer 12

The ability to recoil after stretching

Question 13

What are the functions of muscle tissue?

Answer 13

Producing movement

Question 14

What are skeletal muscle cells also known as?

Answer 14

Muscle fibers

Question 15

What is the basic structural unit of a muscle?

Answer 15

Sarcomere

Question 16

What are the two types of myofilaments?

Answer 16

Actin (thin) and Myosin (thick)

Question 17

What are the connective tissue layers of muscle?

Answer 17

Endomysium

Question 18

What does the endomysium cover?

Answer 18

One muscle fiber (one skeletal muscle cell)

Question 19

What does the perimysium cover?

Answer 19

A group of muscle fibers called a fascicle

Question 20

What does the epimysium cover?

Answer 20

The whole muscle

Question 21

What is a motor unit?

Answer 21

A single neuron and the muscle fibers it controls

Question 22

Why do skeletal muscles have a rich blood supply?

Answer 22

Because contracting muscle fibers require a lot of energy

Question 23

What are the different shapes of muscles?

Answer 23

Parallel

Question 24

What are the subtypes of pennate muscles?

Answer 24

Unipennate

Question 25

What are quadrate muscles?

Answer 25

Muscles with four sides

Question 26

What is proximal attachment of a muscle?

Answer 26

Attachment that remains fixed or moves least

Question 27

What is distal attachment of a muscle?

Answer 27

Attachment that moves most

Question 28

What is a concentric muscle contraction?

Answer 28

Contraction that results in muscle shortening

Question 29

What is an eccentric muscle contraction?

Answer 29

Contraction that occurs while muscle lengthens

Question 30

What is an isometric muscle contraction?

Answer 30

Muscle length does not change during contraction

Question 31

What is an agonist muscle?

Answer 31

Muscle principally responsible for a movement

Question 32

What is an antagonist muscle?

Answer 32

Muscle that opposes a movement

Question 33

What is a synergist muscle?

Answer 33

Muscle that assists the prime mover or stabilizes related joints

Question 34

What is a fixator muscle?

Answer 34

Muscle that stabilizes one part of the body during movement of another part

Question 35

What are the characteristics of skeletal muscle?

Answer 35

Striated

Question 36

What are the characteristics of cardiac muscle?

Answer 36

Striated

Question 37

What are the characteristics of smooth muscle?

Answer 37

Unstriated

Question 38

What is the function of deep fascia?

Answer 38

Packages and protects muscles

Question 39

What initiates a muscle contraction?

Answer 39

Release of calcium causing actin and myosin filaments to slide over each other

Question 40

What determines the strength of a muscle contraction?

Answer 40

The number of motor units activated

Question 41

What type of tissue is deep fascia made of?

Answer 41

Connective tissue

Question 42

What is the purpose of tendons?

Answer 42

To attach muscle to bone

Question 43

What is the purpose of aponeuroses?

Answer 43

Sheet-like muscle attachments to bone or other tissues

Question 44

What is the difference between direct and indirect muscle attachment?

Answer 44

Direct: Epimysium blends with periosteum; Indirect: Through tendons or aponeuroses

Question 45

What are muscle compartments?

Answer 45

Sections of muscle divided by deep fascia

Question 46

What is a muscle fascicle?

Answer 46

A bundle of muscle fibers covered by perimysium

Question 47

What is the main function of skeletal muscle?

Answer 47

Producing movement

Question 48

How are muscles named?

Answer 48

By location