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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
Latissimus Dorsi
Prime mover of arm extension, adduction and medial rotation of arm
26
Leg(10/24) Function of the Sartorius:
Flexes, abducts, and laterally rotates thigh; flexes leg.
27
Leg(11a/20) Function of the Rectus Femoris:
Extends leg and flexes thigh
28
Leg(11a/21) Function of the Vastus Lateralis:
Extends leg and stabilizes knee
29
Leg(11b/23) Function of Vastus Medialis:
Extends leg
30
Leg(13/26) Function of the Adductor Longus:
Adducts, flexes, and medially rotates thigh
31
Leg(15/27) Function of Gracilis
Adducts thigh, flexes and medially rotates leg.
32
Leg(16/30) Function of Semitendinosus:
Extends thigh and flexes leg
33
Leg(17/29) Function of the Semimembronosus:
Extends thigh and flexes leg.
34
Leg(18A/31 Function of Bicep Femoris:
Extends thigh and flexes leg
35
Leg(21/-) Function of Iliacus:
Prime mover in thigh flexion and in flexing trunk
36
Leg(21/34) Function of Tibialis anterior:
Prime mover of dorsiflexion
37
Leg(22/35) Function of Fibularis longus:
Plantar flexes and everts foot.
38
Leg(3/11) Function of Gluteus Maximus.
Major extensor of thigh
39
Leg(4/-) Function of Gluteus Medius:
Abducts and medially rotate thigh.
40
Leg(Deep to Rectus femoris) Function of Vastus Intermedialis:
Extends the leg
41
Masseter
Elevates Mandible, Closes jaw
42
Movements specific to foot and ankle are:
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
Movements specific to the hand include:
Supination: rotation of forearm so the palm faces anteriorly Pronation: rotating the forearm so the palm faces posteriorly.
44
Nervous System- Axon
Function: generates action potentials and sends action potentials away from the cell body.
45
Nervous System- Axon Terminal
Location: Base of rubber band colored processes on the cell body Function: Stores and releases neurotransmitters
46
Nervous System- Cell Body
Location: (opened model) contains the cells nucleus and all parts in nucleus Function: Neuron metabolism
47
Nervous System- Dendrites
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
Nervous System- Myelin Sheath
Name the Cell: Schwann cell Name the Structure: Myelin Sheath Function: Insulates the Axon
49
Nervous System- Neurolemma
Name the Cell: Schwann cell Name the Structure: Neurolemma Function: Schwann cell metabolism
50
Nervous System- Node of Ranvier
Location: Gaps or spaces in between Schwann cells Function: Generates and speeds up action potentials
51
Nervous System- Schwann Cell
Structure: Myelin Sheath Function: Insulates the axon by producing myelin sheath.
52
Nervous System- Synapse
Location: Base of axon terminal on cell body(Hint: tiny space- name the specific structure) Function: Communication
53
Orbicularis Oculi
Closes the eye
54
Orbicularis Oris
Purses the lips
55
Pectoralis Major
Prime mover of arm flexion. Rotates arm and medially adducts arm.
56
Pectoralis Minor
With fixed ribs, protracts, and rotates scapula downward.
57
Sternocleidomastoid
Flexes and laterally rotates head
58
Supraspinatus
Initiates abduction of arm
59
Temporalis
Elevates Mandible, Closes jaw
60
Teres Major (Slice of Pizza)
Extends, medially rotates, and adducts the arm
61
Trapezius
Function: Stabilizes, elevates, retracts, and rotates the scapula
62
Zygomaticus
Raises lateral corners of the mouth (smiling)
63
Transverse Abdominus
Compress abdominal contents
64
Eye- Extrinsice Eye Muscle
Function: anchor and move the eye
65
Eye- Lacrimal Gland
Function: produces tears
66
Eye- Sclera
Protects the Eye Gives shape to the eye Attachment site for extrinsic eye muscles
67
Eye- Cornea
Function: (anterior part of the eye) Protection Transmits light Bends light
68
Eye- Iris
Function: REGULATES the size of the pupil (w/smooth muscles)
69
Eye- Pupil
Function: REGULATES the amount of light that enters the eye.
70
Name the Slide: At the pointer: .
Human Spinal Cord Pointer: Central Canal
71
Eye- Lens
Function: Focuses Light on the retina
72
Eye- Ciliary Body
Function: Changes the shape of the lens
73
Eye- Suspensory Ligaments
(old model and sheep eye only) Function: Anchor the lens in place
74
Eye- Vitreous Humor
(posterior part of the eye) Transmits Light Gives shape to the eye Supports Retina, Supports lens
75
Eye- Retina
(Inner most cloudy white layer) Contains receptors for site. _Name the Cell_: Rods/Cones , Bipolar cells, Ganglian cells
76
Eye- Optic Disc
Blind Spot
77
Eye- Macula Lutea/Fovea Centralis
Function: responsible for central vision Cell: Only cone photo receptors
78
Eye- Choroid Coat
(deep to the sclera) Provides blood to the eye wall. Prevents light from scattering
79
Eye- Optic Nerve
Function: transmits visual info from the eye to the brain
80
Slide Name Slide: At the Pointer:
Slide: Spinal Cord Pointer: White Matter
81
Name the slide: At the pointer:
Human Spinal Cord Pointer: Posterior Horn
82
Name the slide: At the pointer:
Human Spinal Cord Anterior Horn
83
Name the structure At the pointer:
Nerve(Cross Section) Pointer: Axon
84
Name the Slide At the Pointer:
Nerve (Longitudinal Section) Pointer: Axon Be able to locate: Myelin, Nuerolemma, and node of Ranvier
85
86
Auricle
87
Neuroglia(Astrocyte)
Function: supports cells that surround, wrap and aid in neural activity.

Biology (1 decks)

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