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Human Physiology > Lab 2 > Flashcards

Lab 2 Flashcards

1
Q

What channnel does the pulse traducer plug into the iWork TA box?

A

A5

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2
Q

Simple nervous reflex arc

A
  1. Receptor that identifies the stimulus
  2. Afferent neuron carries sensory info to integration center
  3. Efferent neuron transmits motor info to an effector cell
  4. Effector cells goves response to initial stimulus
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3
Q

What is the integration center for spinal reflexes?

A

spinal cord

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4
Q

monosynaptic?

A

only involves two neurons and afferent neuron that synapses with effector neuron in spinal cord

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5
Q

stroop effect

A
  • impact of a stimulus interference with the task being performed, it impacts completing the task effectively
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6
Q

What reflex arc is shorter according to our lab?

A

auditory relex arc

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7
Q

What had the shortest reaction time?

  1. simple
  2. prompted
  3. predictble
A
  • predicatble
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8
Q

Patellar stretch is

A

Ipsilateral

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9
Q

Ipsilateral

A
  • response is on same side of the body
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10
Q

Corneal reflex response is

A
  • response is bilateral
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11
Q

Cilispinal reflex

A

Ipsilateral

- when right side of neck is stimulated y

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12
Q

Patellar stretch reflex is what kind of synapse?

A

monosynaptic

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13
Q

Reciprocal inhibition

A

multisynaptic

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14
Q

What neuron controls the motor cortex?

A

Upper motor nueron

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15
Q

What neuron controls the alpha neurom

A

Lower motor neuron

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16
Q

What neuron controls the gamma motor neuorn

A

Lower motor neuron

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17
Q

What happens when the alpha nuerons are damaged?

A

Flaccid paralysis, when alpha nuerons are damaged they cannot be stimulated and lose tone

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18
Q

What happens if the motor cortex is damaged?

A

Spastic paralysis would happen. the muscles under the control of motor neurons couldn’t function and perform movement directed by cerebral motor cortex

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19
Q

How else can somatic reflex arcs be categorized

A
  1. ipsilateral
  2. contralateral
  3. consensual
  4. bilateral
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20
Q

What do alpha motor neurons do?

A

they stimulate the extrafusal fibers of the skeletal muscle

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21
Q

biceps brachii tendon reflex

A
  • biceps brachii contract and triceps are inhibited (antagonists)
  • ipsilateral
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22
Q

Patellar reflex

A
  • quadriceps femoris msucle are contracted and biceps femoris muscles were inhibited and they are ipsilateral
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23
Q

Achilles tendon reflex

A
  • Gastrochemus muscle was stimulated and thats what made my toes contract
  • msucles that are responsible for dorsiflexion were inhibited
  • ipsilateral
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24
Q

Plantar reflex and babinski sign- normal

A
  • adduction and plantar of the toes
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25
Q

Plantar reflex and babinski sign- abnormal

A

-this would be Babinski sign so great tie would extend and the rest would fan out

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26
Q

Cranial Nerve I

Olfactory
S or M or B

A
  • Olfactory nerve

- sensory function: smell

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27
Q

Cranial Nerve II

S or M or B?

A

Optic

sensory

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28
Q

Cranial Nerve II sensory
function
Optic

A
  • vision
  • accommodation reflex
  • pupillary light reflex
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29
Q

Cranail III

S or M or B?

A

Oculmotor

motor

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30
Q

Cranial nerve III motor function

Oculomotor

A 
Oculomotor: 
motor:
Iris: pupillary light reflex 
Ciliary body:
accommodation reflex
Upper eyelid: 
Extraocular eye muscles: 
superior rectus
medial rectus
imferior rectus
inferior obique
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31
Q

Cranial never IV

S or M or B

A

Trochlear

M

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32
Q

Cranial nerve IV motor?

Trochlear

A

Extraocular eye musle

Lateral Rectus

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33
Q

Cranial V

S or M or B

A

Trigeminal

B

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34
Q

Cranial V
Sensory
Trigeminal

A

Facial sensations:

  1. ophthalmic branch
  2. maxillary branch
  3. mandibular branch
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35
Q

Cranial VI

S or M or B

A

Abducens

Motor

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36
Q

Cranial VI Motor function

Abducens

A

Extraocular eye muscle :

Lateral Rectus

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37
Q

Cranial VII

S, M ,or B

A

Facial

B

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38
Q

Cranial VII sensory

Facial

A

soft palate taste:

anterior 2/3 of the tongue

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39
Q

Cranial VII motor

Facial

A 
Glands:
Lacrimal
nasal
submandibular
sublinngual
Facial expressions:
tempral branch
zygomatic branch
bucchal branch
mandibular branch
cervical branch
40
Q

Cranial VIII

S, M or B

A

Vestibulocochlear or Auditory

S

41
Q

Cranial VIII sensory

Vestibulecochlear

A

Equilibrium hearing

42
Q

Cranial IX

S, M or B

A

Glossopharyngneal

B

43
Q

Cranial IX sensory

Glossopharyngeal

A

Glossopharyngneal
pa;ate tastes; 1/3 posterior of tongue
-pharynx and tonsils
- carotid sinus and carotid body

44
Q

Cranial IX motor

Glysspphryngneal

A

Glossopharyngneal

- pharyneal muscles, parotid gland

45
Q

Cranial X

A

Vagus

B

46
Q

Cranial X sensory

Vagus

A

Vagus

  • pharyngeal taste
  • aortic body and aortic arch
  • atria
  • diaphragm
  • esophagus
  • respiratory tract
47
Q

Cranial X motor

Vagus

A

Vagus

- heart, smooth muscles and the glands of the respiratory and digestive tracts

48
Q

Cranial XI

A

Accessory or Spinal Accessory

M

49
Q

Cranial XI motor

Accessory or spine

A 
Accessory or Spinal Accessory
soft palate: 
1. pharynx
2. arynx
3. sternocleidomastoid
50
Q

Cranial XII

A

Hypoglossal

M

51
Q

Cranial XII

Hypoglossal

A

hypoglossal- tongue movement

52
Q

Ansomia

A

loss of sense of smell

53
Q

accomadation

A
  • changing focal point between
54
Q

dextroelevationz

A

Up and right

55
Q

Dextroversion

A

right

right eye - Lateral rectus VI and left eye- medial rectus III

56
Q

dextrodepression

A

down and right
Lateral rectus VI - right eye
Superior oblique IV - left eye

57
Q

levoelvation

A

up and left
IO- right III
SR- left III

58
Q

levoversion

A

left

59
Q

levedeprssion

A

down and left

60
Q

supraversion

A

up
Right eye: SR & IO
Left eye: IO & SR
III

61
Q

convergence

A

crossed

RIG & Left = MR III

62
Q

Motor stimulation of scretion of saliva

A

Glossepharygneal & Facial

63
Q

Movement of superior of oblique muscle of the eye

A

Abducens, Oculomotor, Trochlear

64
Q

Inability of a person to turn his head to the side

A
  • Accessory or Spinal Accessory spinal
65
Q

Autonomic system control of the heart

A
  • vagus
66
Q

Ability to detect odor

A

olfactory

67
Q

Inability to feel touch on the face

A

trigemial

68
Q

Bell’s palsy

A

facial

69
Q

Ability to detect taste

A

Facial, Glossophyrnal and vagus

70
Q

The accomodation refelx

A

Optic & oculomotor

71
Q

Pneumonic for cranial nerves

A 
Oh-  olfactory 
Oh- optic 
Oh- oculomotor
To- trochlea
Touch- trigeminal
A - abducens 
Female - facial
Vagina- vestbuocholclear or auditory
Gives- glossopharyngeal
Verne - vagus 
A - accessory or spinal
Hard-on- hypoglossal
72
Q

Nerve function pneumonic

A 
Some
Say 
Marry
Money
But 
My
Brother 
Says
Big 
Breasts 
Matter 
More
73
Q

Has occurred when you are no longer aware of your clothes touching your skin

A

adaptation

74
Q

Receptors that have free nerve endings

A

thermorecptors and pain receptors

75
Q

sensation after removal of stimulus

A

afterimage

76
Q

occurs when visceral pain is felt as cutaneous pain

A

reffered pain

77
Q

area of tissue containing the receptors of one sensory neuron

A

receptor field

78
Q

second- oreder neuron crosses from one side of the CNS to the other

A

dessucation

79
Q

receptors that detect changes in the internal environment

A

interoreceptors

80
Q

Which are had the greatest ability of to detect two points

A

index finger tip

81
Q

Least abiltiy to detect to point

A

neck

82
Q

Why is there a difference in distribution and overlap of receptors you observed in the two point discrimination

A

Two points are felt as the same if they are within the same receptor field.

83
Q

Explain the role adaptation plays in perception afterimage

A

phasic receptors adapt quickly and may keep sending AP, even when removed and this is an afterimage

84
Q

Hand initially placed in 40 c

A

warm receptors

85
Q

hand initially placed in 20

A

cold receptors

86
Q

hand shifted from 40 to 30

A

cold receptors

87
Q

hand shifted from 20 to 30

A

warm receptors

88
Q

sensory component of contraction of the ciliary muscle

A

Cranial nerve II- optic

89
Q

motor component of ciliary muscle

A

cranial nerve III- oculumotor

90
Q

sensory component of pupil dialation

A

cranial nerve II

91
Q

normal vision

A

emmetropia

92
Q

optic disc

A

blind spot

93
Q

color vision

A

cones

94
Q

rods

A

black and white

95
Q

uneven cornea

A

antgmatism

96
Q

vision problem due to older age

A

presbyopia

97
Q

As individual focusses on an object that is getting closer is

A 
1. 4- c
 eyes converge
2. constrict pupila
3. ciliary muscle contract
 AND lenses thin

Human Physiology (2 decks)

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