chapter 8-11

Question 1

which joint would likely exhibit circumduction?

Answer 1

shoulder

Question 2

joints are classified by?

Answer 2

function and structure

Question 3

most joints are?

Answer 3

synovial

Question 4

rotation is defined as?

Answer 4

moving a part around an axis (in a circle).

Question 5

functions of joints are?

Answer 5

make bones grow and permit parts of the skeleton to change during childbirth.

Question 6

the functional unit of skeletal and cardiac muscle tissue is the?

Answer 6

sarcomere

Question 7

muscle is attached to bone by?

Answer 7

tendons

Question 8

in skeletal and cardiac muscle fibers calcium joints bind to?

Answer 8

troponin

Question 9

smooth muscle tissue is found primarily in?

Answer 9

the wall of hollow organs

Question 10

the functions of the muscular systems are?

Answer 10

movement of food, solid waste and urine, and movement, of the body.

Question 11

muscle ONLY?

Answer 11

PULL!!! they never push

Question 12

the part of the nerves cell that transmits impulses away from the cell body is the?

Answer 12

axons

Question 13

what are the parts of all neurons?

Answer 13

cell body, dendrites and axon.

Question 14

what is the same of the chemicals in synaptic vesicles at the axon terminal that allows electricals impulses to move from one neuron to another?

Answer 14

neurotransmitters

Question 15

immediately after a neuron is stimulated the membrane is?

Answer 15

depolarized

Question 16

the central nervous system is?

Answer 16

the brain and spinal cord.

Question 17

the two types of nervous tissues are?

Answer 17

neuroglia and neurons

Question 18

what are the parts of the CNS?

Answer 18

spinal cord and the brain

Question 19

what are the parts of the PNS?

Answer 19

cranial nerves and the spinal nerves.

Question 20

what are the general function of the nervous system?

Answer 20

sending commands to the effectors, coronating Info and making decisions, detecting change internally and externally, and receiving Info.

Question 21

afferent neurons carry information to effectors?

Answer 21

false

Question 22

fibrous

Answer 22

held together by dense connective tissues. thin layer of connective tissue. connects bones.

Question 23

cartilaginous

Answer 23

held together by cartilage. connected by hyaline cartilage or fibrocartilage.

Question 24

synovial

Answer 24

have a complex structure. between bones.

Question 25

synarthrotic

Answer 25

immovable

Question 26

amphiarthrotic

Answer 26

slightly moveable

Question 27

diarthrotic

Answer 27

freely moveable

Question 28

ball and socket joints

Answer 28

round head in cup shaped cavity. widest range of motion (hips and shoulders)

Question 29

hinge joints.

Answer 29

convex surface fit into concave surfaces of other bones. (elbow, joints between phalanges).

Question 30

origin

Answer 30

relatively fixed end of the skeletal muscle

Question 31

insertion

Answer 31

more moveable end of the skeletal muscle.

Question 32

skeletal muscle

Answer 32

attached to bone of skeleton. it is voluntary.

Question 33

cardiac muscle

Answer 33

makes up most of the wall of the heart. it is involuntary.

Question 34

smooth muscle

Answer 34

found in the walls of the internal organs. it is involuntary.

Question 35

functions of the musclar system

Answer 35

helps maintain boy temp, allows body parts of move, helps with posture and pumping action of the heart.

Question 36

fascia

Answer 36

thin covering of connective tissue around the muscle.

Question 37

tendon

Answer 37

cord like mass of connective tissue that connects muscle to bone.

Question 38

aponeurosis

Answer 38

sheet like mass of connective tissue that connects a muscle to bone, skin and another muscle.

Question 39

neurons

Answer 39

(nerve cells) respond quickly to change. conduct nervous impulse through neurotransmitters.

Question 40

neuroglia

Answer 40

protect, support, insulate and nourish neurons.

Question 41

sensory division (afferent)

Answer 41

impulse are conducted along PNS TO CNS for integration.

Question 42

motor division (efferent)

Answer 42

neurons that transmit impulses FROM CNS to effectors performed motor function.

Question 43

4 types of neuroglia of the CNS

Answer 43

astrocytes, oligodendrocytes, microglia, and ependyma or ependymal cells.

Question 44

meninges

Answer 44

membrane that protects brain and spinal cord. between bone and soft tissues of nervous system.

Question 45

neural centers

Answer 45

coordinating muscular movement. regulating visceral activates.

Question 46

I olfactory

Answer 46

sensory fibers conducting impulses associated with the sense of smell.

Question 47

II optic

Answer 47

sensory fibers conducting impulse associated with vision.

Question 48

III oculomotor

Answer 48

PRIMARY motor fiber conducting muscle that raise the eyelids move the eye, adjust the amount of light entering the eye.

Question 49

IV trochlear

Answer 49

motor fiber conducts impulses to muscle that move eyes.

Question 50

V trigeminal ophthalmic division

Answer 50

mixed. sensory fibers conduct impulses from the surface of the eyes, tears, scalp fibers forehead and upper eye libs, upper teeth, upper gums, upper lips, linning of the palate and skin of the face motor fibers conduct impulse to the muscle of mastication and to muscle in the floor of the mouth.

Question 51

VI abducens

Answer 51

motor fibers conduct impulse to the muscle to move the eyes.

Question 52

VII facial

Answer 52

mixed. sensory fibers conduct impulse associated with the taste receptors. motor fibers conduct impulse to muscle of facial expressions.

Question 53

VIII vestibulocochlear

Answer 53

sensory fibers conduct impulses associated with the equilibrium. (hearing).

Question 54

IX glossopharyngeal

Answer 54

mixed. sensory fibers conduct impulse from the pharynx, tonsil, posterior tongue and carotid arteries motor fibers conduct impulse to the salivary glands and to muscle of the pharynx used to swallowing.

Question 55

X vagus

Answer 55

mixed. sensory fiber conduct impulses from the pharynx, larynx, esophagus and viscera of the thorax and abdomen. motor fiber conduct impulses to muscle associated with speech and swallowing.

Question 56

XI accessory cranial branch spinal branch

Answer 56

motor fibers conduct impulse to solf palate pharynx and larynx. (neck and back).

Question 57

XII hypoglossal

Answer 57

motor fibers conduct impulse to muscle that move the tongue.