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Biology > Human Anatomy - Lab Exam 2 > Flashcards

Human Anatomy - Lab Exam 2 Flashcards

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1
Q

Arm(11) Function of Biceps Brachii:

A

Flexes and supinates forearm

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2
Q

Arm(16+17)- Tricep Brachii:

A

Powerful forearm extensor

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3
Q

Arm(19) Function of Brachioradialis:

A

Synergist in forearm flexion

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4
Q

Arm(22) Function of the Pronator Teres:

A

Pronates the forearm

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5
Q

Arm(25) Function of Flexor Carpi Ulnaris:

A

Flexes and adducts hand

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6
Q

Arm(26) Function of Flexor Digitorum Superficialis:

A

Flexes fingers and middle phalanges of fingers.

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7
Q

Arm(30) Function of Extensor Digitorum:

A

Prime mover of finger extension

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8
Q

Arm(32) Function of Extensor Carpi Ulnaris:

A

Extends hand; adducts hand

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9
Q

Buccinator

A

Compresses the cheeks

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10
Q

Define Abduction and adduction

A

Abduction: movement of limb away from body Adduction: movement of limb toward body.

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11
Q

Define terms: Flexion, Extension

A

Flexion: decreases angle between bones. Extension: increases angle between bones.

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12
Q

Define the term: circumduction

A

Moving limb so that it describes a cone in space.

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13
Q

Deltoid

A

Abducts arm

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14
Q

External Intercostals

A

Pull ribs toward one another to elevate rib cage

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15
Q

Function fo Rectus Abdominus

A

Flex and rotate lumbar region of vertebral column

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16
Q

Name the Slide

Note the function:

A

Cardiac Muscle

Involuntary contraction of the heart, pumping blood.

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17
Q

Function of External Obliques:

A

Flex vertebral column, and compress abdominal wall, trunk rotation and lateral flexion.

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18
Q

Function of Gastrocnemius

A

Plantar flexes foot

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19
Q

Name the slide:

Note the function:

A

Slide: Skeletal Muscle

Voluntary movement.

Facial expression.

Manipulation of Environment

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20
Q

Name the slide

Note the function:

A

Slide: Smooth muscle

Involuntary contraction

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21
Q

Function of the Soleus:

A

Plantar flexes foot

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22
Q

Funtion of Internal Obliques:

A

Flex vertebral column and compress abdominal wall, trunk rotation and lateral flexion.

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23
Q

Infraspinatus

A

Laterally rotates arm

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24
Q

Internal Intercostals

A

Draw ribs together and depress rib cage

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25
Q

Latissimus Dorsi

A

Prime mover of arm extension, adduction and medial rotation of arm

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26
Q

Leg(10/24) Function of the Sartorius:

A

Flexes, abducts, and laterally rotates thigh; flexes leg.

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27
Q

Leg(11a/20) Function of the Rectus Femoris:

A

Extends leg and flexes thigh

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28
Q

Leg(11a/21) Function of the Vastus Lateralis:

A

Extends leg and stabilizes knee

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29
Q

Leg(11b/23) Function of Vastus Medialis:

A

Extends leg

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30
Q

Leg(13/26) Function of the Adductor Longus:

A

Adducts, flexes, and medially rotates thigh

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31
Q

Leg(15/27) Function of Gracilis

A

Adducts thigh, flexes and medially rotates leg.

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32
Q

Leg(16/30) Function of Semitendinosus:

A

Extends thigh and flexes leg

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33
Q

Leg(17/29) Function of the Semimembronosus:

A

Extends thigh and flexes leg.

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34
Q

Leg(18A/31 Function of Bicep Femoris:

A

Extends thigh and flexes leg

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35
Q

Leg(21/-) Function of Iliacus:

A

Prime mover in thigh flexion and in flexing trunk

36
Q

Leg(21/34) Function of Tibialis anterior:

A

Prime mover of dorsiflexion

37
Q

Leg(22/35) Function of Fibularis longus:

A

Plantar flexes and everts foot.

38
Q

Leg(3/11) Function of Gluteus Maximus.

A

Major extensor of thigh

39
Q

Leg(4/-) Function of Gluteus Medius:

A

Abducts and medially rotate thigh.

40
Q

Leg(Deep to Rectus femoris) Function of Vastus Intermedialis:

A

Extends the leg

41
Q

Masseter

A

Elevates Mandible, Closes jaw

42
Q

Movements specific to foot and ankle are:

A

Plantarflexion: depressing the foot elevating the heel. Dorsiflexion: lifting foot so that superior surface approaches shin. Inversion: turning the sole of the foot medially. Eversion: turning sole of foot laterally

43
Q

Movements specific to the hand include:

A

Supination: rotation of forearm so the palm faces anteriorly Pronation: rotating the forearm so the palm faces posteriorly.

44
Q

Nervous System- Axon

A

Function: generates action potentials and sends action potentials away from the cell body.

45
Q

Nervous System- Axon Terminal

A

Location: Base of rubber band colored processes on the cell body

Function: Stores and releases neurotransmitters

46
Q

Nervous System- Cell Body

A

Location: (opened model) contains the cells nucleus and all parts in nucleus

Function: Neuron metabolism

47
Q

Nervous System- Dendrites

A

Location: Processes that extend out from cell body(NOT the rubber band colored) Function: Receptive sites, receives and sends signals towards the cell body.

48
Q

Nervous System- Myelin Sheath

A

Name the Cell: Schwann cell Name the Structure: Myelin Sheath Function: Insulates the Axon

49
Q

Nervous System- Neurolemma

A

Name the Cell: Schwann cell Name the Structure: Neurolemma Function: Schwann cell metabolism

50
Q

Nervous System- Node of Ranvier

A

Location: Gaps or spaces in between Schwann cells

Function: Generates and speeds up action potentials

51
Q

Nervous System- Schwann Cell

A

Structure: Myelin Sheath Function: Insulates the axon by producing myelin sheath.

52
Q

Nervous System- Synapse

A

Location: Base of axon terminal on cell body(Hint: tiny space- name the specific structure)

Function: Communication

53
Q

Orbicularis Oculi

A

Closes the eye

54
Q

Orbicularis Oris

A

Purses the lips

55
Q

Pectoralis Major

A

Prime mover of arm flexion. Rotates arm and medially adducts arm.

56
Q

Pectoralis Minor

A

With fixed ribs, protracts, and rotates scapula downward.

57
Q

Sternocleidomastoid

A

Flexes and laterally rotates head

58
Q

Supraspinatus

A

Initiates abduction of arm

59
Q

Temporalis

A

Elevates Mandible, Closes jaw

60
Q

Teres Major (Slice of Pizza)

A

Extends, medially rotates, and adducts the arm

61
Q

Trapezius

A

Function: Stabilizes, elevates, retracts, and rotates the scapula

62
Q

Zygomaticus

A

Raises lateral corners of the mouth (smiling)

63
Q

Transverse Abdominus

A

Compress abdominal contents

64
Q

Eye- Extrinsice Eye Muscle

A

Function: anchor and move the eye

65
Q

Eye- Lacrimal Gland

A

Function: produces tears

66
Q

Eye- Sclera

A

Protects the Eye

Gives shape to the eye

Attachment site for extrinsic eye muscles

67
Q

Eye- Cornea

A

Function: (anterior part of the eye)

Protection

Transmits light

Bends light

68
Q

Eye- Iris

A

Function: REGULATES the size of the pupil (w/smooth muscles)

69
Q

Eye- Pupil

A

Function: REGULATES the amount of light that enters the eye.

70
Q

Name the Slide:

At the pointer:

.

A

Human Spinal Cord

Pointer: Central Canal

71
Q

Eye- Lens

A

Function: Focuses Light on the retina

72
Q

Eye- Ciliary Body

A

Function: Changes the shape of the lens

73
Q

Eye- Suspensory Ligaments

A

(old model and sheep eye only)

Function: Anchor the lens in place

74
Q

Eye- Vitreous Humor

A

(posterior part of the eye)

Transmits Light

Gives shape to the eye

Supports Retina, Supports lens

75
Q

Eye- Retina

A

(Inner most cloudy white layer)

Contains receptors for site.

Name the Cell: Rods/Cones , Bipolar cells, Ganglian cells

76
Q

Eye- Optic Disc

A

Blind Spot

77
Q

Eye- Macula Lutea/Fovea Centralis

A

Function: responsible for central vision

Cell: Only cone photo receptors

78
Q

Eye- Choroid Coat

A

(deep to the sclera)

Provides blood to the eye wall.

Prevents light from scattering

79
Q

Eye- Optic Nerve

A

Function: transmits visual info from the eye to the brain

80
Q

Slide

Name Slide:

At the Pointer:

A

Slide: Spinal Cord

Pointer: White Matter

81
Q

Name the slide:

At the pointer:

A

Human Spinal Cord

Pointer: Posterior Horn

82
Q

Name the slide:

At the pointer:

A

Human Spinal Cord

Anterior Horn

83
Q

Name the structure

At the pointer:

A

Nerve(Cross Section)

Pointer: Axon

84
Q

Name the Slide

At the Pointer:

A

Nerve (Longitudinal Section)

Pointer: Axon

Be able to locate: Myelin, Nuerolemma, and node of Ranvier

85
Q
A
86
Q

Auricle

A
87
Q

Neuroglia(Astrocyte)

A

Function: supports cells that surround, wrap and aid in neural activity.

Biology (1 decks)

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