Test 5

Front 1

Continued full contraction of muscle

Back 1

complete tetanus

Front 2

Where is the concentration of sodium greatest inside the cell or outside?

Back 2

outside

Front 3

what is the mechanism of action for dopamine

Back 3

inhibitory NT paralyzes motor centers of brain

Front 4

The "charge" or voltage difference at the Motor End Plate is known as?

Back 4

End plate potential

Front 5

Sx of tetanus

Back 5

flaccid paralysis

Front 6

Which of the following muscle types are best suited for short durations of intense energy?

Back 6

fast oxidative

Front 7

tiny structure within cardiac muscle that contain holes through which an impulse can pass with limited resistance?

Back 7

intercallated discs

Front 8

Fast glycolytic muscles

Back 8

demonstrates anaerobic respiration

Front 9

Molecule that inhibits active sites of actin?

Back 9

tropmyosin

Front 10

Muscles of hamstrings are related to the muscles of the quadriceps femoris as...

Back 10

antagonists

Front 11

A type of respiration that does NOT require oxygen to take place?

Back 11

Anaerobic

Front 12

To which of the major groups of organic molecules does tropomyosin belong?

Back 12

PROTEINS

Front 13

Process following the movement of an AP throughout the tranverse tubules

Back 13

Ca is released from the sarcoplasmic reticulum

Front 14

Sx of bungarotoxin poisoning?

Back 14

flaccid paralysis

Front 15

Myosin binds to the actin in smooth muscle, what must happen in order to allow power stroke to occur?

Back 15

ATP broke into ADP + p +Energy

Front 16

what is the function of the myosin light chain kinase?

Back 16

transfers a phosphate group from ADP to myosin during smooth muscle contraction

Front 17

mechanism by which botulism works

Back 17

blocks voltage gated calcium channels

Front 18

motor nueron and all the muscle fibers connecting to its synaptic knobs are referred to as

Back 18

motor unit

Front 19

structure which contain NT @ nueromuscular joint are known as

Back 19

synaptic vescicles

Front 20

whihc of the sarcomeres bands consist of actin and myosin

Back 20

A BAND

Front 21

a connective tissue covering the fascicle

Back 21

perimysium

Front 22

which type of muscle is found in the wall of the gut

Back 22

smooth

Front 23

The lighter middle stripe of the dark band is known as the

Back 23

H ZONE

Front 24

Which of the proteins connect from the middle of the thick filament to the Z disc

Back 24

TITIN

Front 25

Muscular dystrophy is caused by mutation of

Back 25

dystrophin

Front 26

What is the contractive response of a muscle to ONE action potential known as...

Back 26

muscle twitch

Front 27

A functional bundle of fasiculi

Back 27

muscle

Front 28

Once NT binds to its receptor at the NMJ, what happens?

Back 28

Opening of the sodium channels

Front 29

Protein within the SR that binds up calsium to prevent the calcium from beocoming toxic

Back 29

Calsequestrin

Front 30

Compound is produced by glycolysis under low oxygen conditions?

Back 30

lactic acid

Front 31

the distal end of a motor nueron is called the

Back 31

terminal

Front 32

Procces causing resetting of the nyson heads

Back 32

ATP is hydrolyzed into ADP+P

Front 33

A muscle contained with a particular region

Back 33

INTRINSIC

Front 34

Major muscular fatigue

Back 34

increased lactic acid

Front 35

Which of the following describes the slow oxidative muscles?

Back 35

red

Front 36

the first part of an AP which sodium ions flood in the cell?

Back 36

Depolarization

Front 37

What must happen to allow muscular relaxation?

Back 37

Acetylcholine must be removed

Front 38

which of the following processes directly requires ATP

Back 38

in order to reset or re-cock the myosin head and cross bridge

Front 39

The NT of the nueromuscular junction

Back 39

Acetylcholine