Muscle Fibers

Front 1

An immovable joint is a:

Back 1

Synarthrosis

Front 2

A slightly movable joint is an:

Back 2

Amphiarthrosis

Front 3

A freely movable joint is a:

Back 3

Diarthrosis

Front 4

A skull structure joining fused bones is an example if:

Back 4

Synarthrosis

Front 5

A synovial joint is an example of a:

Back 5

Diarthrosis

Front 6

Which of the following is not a function of synovial fluid?

Back 6

Increase diffusion and ion osmotic pressure within a joint

Front 7

The soft gelatinous core of intevertebral discs is called the

Back 7

Nucleus Pulposus

Front 8

The form of rheumatism that affects synovial joints:

Back 8

Arthritis

Front 9

The movement is touching the fingertips to the shoulder is termed:

Back 9

Flexion

Front 10

A movement bringing a limb closer toward the midline of the body is termed

Back 10

Adduction

Front 11

The special movement of the thumb that allows it to group an object and hold in to it is called:

Back 11

Opposition

Front 12

The opposite movement of pronation is:

Back 12

Supination

Front 13

The joint that permits the greater range of mobility of any joint in the body is the _____ joint

Back 13

Shoulder

Front 14

Which of the following is not a function of the intevertebral discs?

Back 14

Lubricate the Joint

Front 15

Nodding your head up and down is an example of:

Back 15

Flexion and Extension

Front 16

Which of the following movement would you associate with chewing food?

Back 16

Elevation

Front 17

The joints that are subjected to the greatest forces would be found in the

Back 17

Leg

Front 18

Which of the following statements is incorrect?

Back 18

Skeletal Muscles are responsible for the pumping action of the heart

Front 19

The dense layer of collagen fibers that surround an entire skeletal muscle is the:

Back 19

Epimysium

Front 20

Muscle Fibers differ from "Typical cells" in that muscle fibers

Back 20

Have many nuclei

Front 21

Skeletal muscle fibers are formed from embryonic cells called:

Back 21

Myoblasts

Front 22

The cell membrane of the skeletal muscles is called the

Back 22

Sarcolemma

Front 23

The cytoplasm of a skeletal muscle fiber is called the

Back 23

Sarcoplasm

Front 24

The electrochemical stimulus to contract is distributed deep into a muscle fiber by the:

Back 24

Transverse Tubules

Front 25

The series of interconnecting membrane channels that surround each myofibril is the

Back 25

Sarcoplasmic Reticulum

Front 26

Thin Filaments at either end of the sarcomere are attached to the

Back 26

Z line

Front 27

The area in the center of the A band that contains only thick filaments in the:

Back 27

H band

Front 28

Each thin filament is composed of:

Back 28

Actin Filaments

Front 29

The terminal cisternae stores:

Back 29

Calcium Ions

Front 30

Each skeletal muscle fiber is joined to a neuron at one and only one:

Back 30

Neuromuscular Junction

Front 31

In response to action potentials arriving from the transverse tubules, the sarcoplasmic reticulum releases:

Back 31

Calcium Ions

Front 32

When a muscle is stimulated repeatedly for several seconds with a constant stimulus, the amount of tension gradually increases to a maximum, this phenomenom is called:

Back 32

Wave Summation

Front 33

A muscle Producing Peak tension with rapid cycles of contraction and relaxation is said to be in

Back 33

Incomplete Tetanous

Front 34

The brain and spinal cord comprise the

Back 34

CNS

Front 35

The part of the Peripheral Nervous system which brings information to the CNS is

Back 35

Afferent

Front 36

Which of the following is not a function of the neuroglia

Back 36

Information Processing

Front 37

Each of the following is a type if glial cell found in the CNS except _____ which is found in the PNS

Back 37

Satellite Cells

Front 38

The neurilemma of axons is the PNS covered in a myelin sheath is formed by

Back 38

Schwann Cells

Front 39

Aggregation (Accumulation) of fixed and free ribosomes in the cell bodies of neurons are referred to as

Back 39

Nissl bodies

Front 40

Axon terminate in a series of fine extensions known as

Back 40

Telodendria

Front 41

Neurotransmitters are released from the

Back 41

Synaptic Knobs

Front 42

The rabies Virus can travel through axons into the CNS via

Back 42

Retrograde Flow

Front 43

Neurons that are quiet small are in abundance and offer no anatomical clues to distinguish their axons from their dendrites are called

Back 43

Anaxomic

Front 44

The opening of sodium channels in the membrane of a neuron resulting in

Back 44

Depolarization

Front 45

The all-or-none principle states that

Back 45

Graded potentials are strong enough to bring the membrane to threshold will provide identical action potentials

Front 46

In the CNS, the central canal and ventricles are lined with

Back 46

Ependymal Cells

Front 47

Cholinergic Synapses release the Neurotransmitter

Back 47

Acetycholine

Front 48

Which of the following is not an effect of a rise in PH?

Back 48

Neurons become inhibited

Front 49

Neurons normally derive ATP solely trhough

Back 49

Aerobic Mechanisms

Front 50

In which of the following would the rate of impulse conduction be greater?

Back 50

Myelinated Fiber