CH 4 Muscle Tissue

Question 0

A Change in electrical potential that occurs when a cell or tissue has been activated by a stimulus

Answer 0

Action Potential

Question 1

A cellular protein found in myofilament that is active in muscular contractions, cellular movement and maintenance of cells

Answer 1

Actin Myofilament

Question 2

Muscles working in opposition to each other

Answer 2

Antagonist

Question 3

A condition caused by damage, either through trauma or infection, to the facial nerve, resulting in an inability to move facial muscles on the affected side

Answer 3

Bell’s Palsy

Question 4

Located in the posterior compartment of the leg, it flexes rotates the knee and extends the hip

Answer 4

Biceps Femoris

Question 5

An intracelluar protein that calcium binds to, resulting in muscle contraction

Answer 5

Calmodulin

Question 6

The delicate connective tissue surrounding individual muscular fibers

Answer 6

Endomysium

Question 7

Group of muscles that cause extension

Answer 7

Extensor Muscles

Question 8

Fluid outside of the cell

Answer 8

Extracellular Fluid

Question 9

Movement of the eye in various directions

Answer 9

Extraocular Movements

Question 10

A layer of fibrous connective tissue outside the epimysium that separates individual muscles

Answer 10

Fascia

Question 11

Conduction areas between cells (visceral smooth muscle) that interconnection individual muscle cells

Answer 11

Gap Junctions

Question 12

The end of a muscle that is attached to the bone that is undergoing the greatest movement

Answer 12

Insertion

Question 13

Branching fibers in cardiac muscle that allow action potentials to pass from cell to cell

Answer 13

Intercalated disk

Question 14

An organic acid that can lower the intracellular pH. Found in musle after working out

Answer 14

Lactic acid

Question 15

specialized nerve cells that deliver an impulse to muscle cells, causing them to contract

Answer 15

Motor Neurons

Question 16

One of two types of smooth muscle, it is formed into sheets of muscle ( as oin the walls of blood vessels), small bundles of muscles ( as in the iris of the eye), or single cells ( as in the capsule of the spleen)

Answer 16

Multiunit Smooth Muscle

Question 17

Fibers that contract causing movement; 3 types of muscle are present in the body: Skeletal, Smooth and Cardiac muscle

Answer 17

Muscle

Question 18

A bundle of skeletal muscle cells bound together by connective tissue and forming one of the constituent elements of muscle

Answer 18

Muscle Fasciculus

Question 19

An iron-containing red pigment, similar to hemoglobin that found in muscle fibers

Answer 19

Myoglobin

Question 20

A fibrous globulin of muscle that reacts with actin to form actomyosin

Answer 20

Myosin Myofilaments

Question 21

The junction between a motor neuron and muscle fiber. One type of a synapse

Answer 21

Neuromuscular Junction

Question 22

A chemical substance that transmits nerve impulse across a synapse

Answer 22

Neurotransmitter

Question 23

The attachment of a muscle to the more stationary of two bones

Answer 23

Origin

Question 24

The connective tissue sheath that surrounds a muscle and forms sheaths for the bundles of muscle fibers

Answer 24

Perimysium

Question 25

The proximal portion of the muscle fiber in the neuromuscular junction

Answer 25

Postsynaptic Terminal

Question 26

The distal end of the nerve fiber in the neuromuscular junction

Answer 26

Presynaptic Terminal

Question 27

The muscle in a group of muscles that has the major role in movement

Answer 27

Prime Mover

Question 28

The linear muscle of the midline of the abdomen

Answer 28

Rectus Abdominis

Question 29

The thin transparent sheath surrounding a striated muscle fiber

Answer 29

Sarcolemma

Question 30

A system of membranes that transport materials in muscle cells

Answer 30

Sarcoplasmic Reticulum

Question 31

Striated muscles that are under direct volitional control of the brain; also called Voluntary Muscle

Answer 31

Skeletal Muscle

Question 32

The movement of the myofilaments during contraction of the muscle

Answer 32

Sliding Filament Mechanism

Question 33

Muscle that carries out much of the automatic work of the body, such as moving food through the digestive tract and dilating and constricting the pupils of the eye; also called Involuntary Muscle

Answer 33

Smooth Muscle

Question 34

The space between nerves and muscles in the neuromuscular junctions across which a nerve impulse is transmitted by a neurotransmitter

Answer 34

Synaptic Cleft

Question 35

Muscle that works together to accomplish a particular movement

Answer 35

Synergists

Question 36

Tough, rope like cords of fibrous tissue that attach muscle to bones

Answer 36

Tendons

Question 37

Sheets of muscle found in the Digestive, Reprodutive, and Urinary Tracts

Answer 37

Visceral Smooth Muscle

Question 38

Longest muscle in the body, It is located in the anterior compartment of the thigh and flexes both the hip and knee when contracts

Answer 38

Sartorius Muscle

Question 39

What are the 5 sections of the spinal column

Answer 39

Cervical (7), Thoracic (12), Lumbar (5), Sacrum (5), Coccyx (4)

Question 40

How many teeth are in the mouth

Answer 40

32 teeth

Question 41

What keeps the diaphragm

Answer 41

c3,c4 and c5