W1 flashcards

Question 1

what is a neuron

Answer 1

structural & functional unit of the nervous system

Question 2

types of neurons

Answer 2

• unipolar (soma on one end, dendrites on opposite)
• bipolar (head - central - dendrites on one end)
• psedounipolar (head - middle, sensory receptors on both ends)
• multipolar (bushy dendrites)

Question 3

CNS

Answer 3

• frontal lobe (memory & thought process)
• parietal lobe (sensations)
• temporal lobe (hearing)
• occipital (vision)

Question 4

Wernickes & Broca’s

Question 5

peripheral nervous system

Answer 5

• sensory & motor neurons sent to/from
• relay information between your brain and the rest of your body

Question 6

sensory (afferent) nerve fibres

Answer 6

From the PNS to the CNS (e.g. touch of our skin, taste from our tongue)

Question 7

motor (efferent) nerve fibres

Answer 7

From CNS to PNS to effect muscles

Question 8

cranial nerves

Answer 8

olfactory

optic

oculomotor

trochlear

trigeminal

abducens

facial

vestibulocochlear

glossopharyngeal

vagus

accessory

hypoglossal

Question 9

CNVI

Answer 9

olfactory nerve
= Sense of smell (afferent)

Question 10

CNVII

Answer 10

optic nerve
= Ability to move & blink your eyes (efferent)

Question 11

CNVIII

Answer 11

occulomotor
= Ability to move & blink your eyes (efferent)

Question 12

CNVI

Answer 12

Trochlear
= Ability to move your eyes up and down or back and forth (efferent)

Question 13

CNV

Answer 13

trigeminal
= Sensations in your face and cheeks, taste and jaw movements (both)

Question 14

CNVI

Answer 14

abducens
= Ability to move your eyes (efferent)

Question 15

CNVII

Answer 15

facial
= Facial expressions & sense of taste (both)

Question 16

CNVIII

Answer 16

vestibulocochlear
= Sense of hearing and balance (afferent)

Question 17

CNVIX

Answer 17

glossopharyngeal
= ability to taste and swallow (both)

Question 18

CNX

Answer 18

vagus
= Digestion and heart rate (both)

Question 19

CNXI

Answer 19

accessory
= Shoulder and neck muscle movement (efferent)

Question 20

CNXII

Answer 20

hypoglossal
= Ability to move your tongue (efferent)

Question 21

what are the speech and swallowing nerve

Answer 21

Trigeminal V

facial VII

Glossopharyngeal IX

vagus X

accessory XI

hypoglossal XII

Question 22

somatic VS visceral

Answer 22

somatic = body wall muscles

visceral = glands or organs

Question 23

general VS special

Answer 23

general = touch, pain, temp, pressure

special = vision, hearing, taste, and smell

Question 24

Nerve components

Answer 24

epineurium - wraps entire nerve

perineurium - bundles many nerves into fascicles

endoneurium - each nerve filament

Question 25

CNV branches

Answer 25

Opthalmic (CN V1) = sensory Maxillary (CN V2) = (sensory innervation of the palate & upper teeth) Mandibular (CN V3) = mixed ( lower lip, teeth, buccal mucosa, general sensations of the anterior 2/3 of tongue)

Question 26

CNVII innervations

Answer 26

efferent - General somatic fibers are facial expressions + lip movements - Crying and saliva production Afferent - Special anterior tongue fibers (for taste)

Question 27

CNIX innervations

Answer 27

efferent - Fibers to the stylopharyngeus to help elevate the pharynx in swallowing Afferent - Special anterior tongue fibers (for taste) - General somatic afferent touch (pressure & pain)

Question 28

CNX innervations

Answer 28

efferent - pharynegal and velar muscles (swallowing) - Larynx (voice) Afferent - pharyngeal & larynx region - Ear drum & external ear

Question 29

CNXII

Answer 29

General somatic efferent to the muscles of the tongue

Question 30

CNXI

Answer 30

General somatic support for our neck muscles

Question 31

coronal & frontal plane

Answer 31

side to side (start jumps)

Question 32

horizontal / transverse plane

Answer 32

cuts the body in half from the waist (leaning forwards or backwards)

Question 33

medial plane

Answer 33

vertically passes through the middle (being chopped into two even halves)

Question 34

saggital plane (median)

Answer 34

a vertical plane which passes down the midline of the body (similar to medial plane)