Week 6- nervous system

Question 1

What are the parts of the central nervous system?

Answer 1

brain and spinal cord

Question 2

what are the parts of the peripheral nervous system?

Answer 2

cranial nerves,spinal nerves, plexuses and peripheral nerves Autonomic Nervous System (ANS)

Question 3

the sympathetic and parasympathetic are part of what nervous system?

Answer 3

autonomic

Question 4

Carry impulses between the brain and the head and neck

Answer 4

cranial nerves

Question 5

Which cranial nerve is an outlier and carries meggages outside of the head and neck to the chest and abdomen?

Answer 5

the 10th cranial nerve- vagus nerve

Question 6

A large network of nerves in the peripheral nervous system

Answer 6

plexus

Question 7

what are the 3 plexuses?

Answer 7

1. cervical
2. brachial
3. lumbrosacral

Question 8

Sensory__________ nerves - carry messages related to changes in the environment TOWARDS the spinal cord and brain

Answer 8

AFFERENT

Question 9

Motor________ nerves - travel from the spinal cord and brain to muscles of the body telling them how to respond

Answer 9

EFFERENT

Question 10

Carry impulses AWAY from the CNS to glands, heart, blood vessels, GI tract and urinary tract

What system does this?

Answer 10

Autonomic nervous system

Question 11

Which nervous system does the follwoing: Increase heart rate and forcefulness
Dilate (relax) airways so more oxygen can enter Increase blood pressure
DIlate pupils

Answer 11

sympathetic

Question 12

Which nervous system does the following: Slow down heart rate
Lower blood pressure
Stimulate intestinal contractions

Answer 12

parasympathetic

Question 13

an individual nerve cell

Answer 13

neuron

Question 14

________tissue is the connective and supportive tissue of an organ

Answer 14

Stromal

Question 15

supportive cells that help ward off infections

Answer 15

glial cells

Question 16

the largest part of the brain

Answer 16

cerebellum

Question 17

what part of the lobe deals with thought processes, behavior, personality, emotion

Answer 17

frontal lobe

Question 18

what part of the brains hearing, understanding, speech and language

Answer 18

temporal lobe

Question 19

what part of the brain deals with body sensations, visual and spatial perception

Answer 19

parietal lobe

Question 20

what part of the brain deals with vision?

Answer 20

Occipital lobe

Question 21

__________ are canals located in the middle of the cerebrum

Answer 21

Ventricles

Question 22

a “triage center”; decides what is important and what is not by selectively processing and relaying sensory information to the cerebral cortex
Also plays a role in awareness and consciousness

Answer 22

Thalamus

Question 23

controls body temperature, sleep, appetite, sexual desire and emotions like fear and pleasure

Answer 23

hypothalamus

Question 24

coordinates voluntary movements, maintains balance + posture

Answer 24

cerebellum

Question 25

What part of the brain is involved with seeing and hearing

Answer 25

midbrain

Question 26

“bridge”; connects cerebellum and cerebrum to the rest of the brain; also contains nerves that affect face and eye movement

Answer 26

pons

Question 27

what part of the brain connects the spinal cord to the brain

Answer 27

medulla oblongata

Question 28

what are the 3 parts of the medulla oblongata?

Answer 28

1. Respiratory center 2. cardiac center 3. vasomotor center

Question 29

what part of the brain contains cell bodies and dendrites

Answer 29

grey matter

Question 30

what part of the brain contains nerve fiber tracts with myelin sheaths conducting impulses to and from the brain

Answer 30

white matter

Question 31

what are the Three layers of connective tissue membranes that surround the brain and spinal cord

Answer 31

menengies

Question 32

The _________ is the Outermost membrane of the menegines thick, tough membrane that contains channels with blood

Answer 32

dura matter

Question 33

spider-like” membrane loosely attached to the other meninges by web-like fibers so there is space for fluid between the fibers and the third membrane,

Answer 33

Arachnoid membrane

Question 34

what renege layer is the delicate connective tissue with a rich supply of blood vessels

Answer 34

pia matter

Question 35

brain disorder marked by gradual and progressive mental deterioration, dementia, personality changes, impairment of daily functioning

Answer 35

Alzheimer’s Disease

Question 36

degenerative condition of MOTOR neurons in the spinal cord and brainstem; manifests in adulthood and causes weakness and atrophy of muscles in the hands, arms, legs and then difficulty swallowing, talking and breathing

Answer 36

Amyotrophic lateral sclerosis (ALS)

Question 37

destruction of the myelin sheath on neurons and replacement of plaques of sclerotic tissue; causes paresthesias, muscle weakness, unsteady gait and paralysis

Answer 37

Multiple sclerosis

Question 38

degeneration of neurons leading to tremors, weakness of muscles and slowness of movement; a deficiency of dopamine

Answer 38

Parkinson’s disease

Question 39

disruption in the normal blood supply to the brain; AKA Stroke or cerebral infarction

Answer 39

Cerebrovascular accident (CVA)