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Human Anatomy > Lab: APR Nervous System > Flashcards

Lab: APR Nervous System Flashcards

1
Q

What is the core of the spinal cord

A

Grey matter of spinal cord

- composed of nervous tissue shaped like the letter H

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2
Q

Grey matter of spinal cord composed of nervous tissue shaped like the letter __

A

H

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3
Q

Ventral horns of the grey matter are associated with ___ neurons

A

Motor

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4
Q

Dorsal horns of the grey matter are associated with ___ neurons

A

Sensory

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5
Q

_____ is the outer layer of the spinal cord

A

White matter of spinal cord

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6
Q

White matter of spinal cord is composed of ____ axons

A

Myelinated

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7
Q

Orientation of gray and white matter in the spinal cord is _____ of the orientation of gray and white matter in the brain

A

Opposite

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8
Q

Function: Dorsal rootlet

A

Conduct afferent (sensory) impulse

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9
Q

Function: Ventral rootlets

A

Conduct efferent (motor) impulse

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10
Q

What does the dura mater surround

A

Brain and spinal cord

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11
Q

Dura mater is tough, dense irregular ____ tissue

A

Connective

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12
Q

What are the 3 layers of meninges?

A
  1. Dura mater - external
  2. Arachnoid
  3. Pia mater - internal
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13
Q

Function: Dura mater

A

Protection of brain and spinal cord

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14
Q

Central sulcus is a groove on the ____ surface on each cerebral hemisphere

A

Lateral

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15
Q

Central sulcus forms a boundary between the ___ and the ___ lobe

A

Frontal; Parietal

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16
Q

Precentral gyrus a distinct fold at the _____ border of the frontal lobe

A

Posterior

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17
Q

Precentral gyrus location

A

Anterior edge of the central sulcus

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18
Q

Function: Precentral gyrus

A

Controls voluntary movement

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19
Q

Postcentral gyrus distinct fold at the _____ border of the parietal lobe

A

Anterior

20
Q

Postcentral gyrus location

A

Posterior edge of the central sulcus

21
Q

Function: Postcentral gyrus

A

Receives somatosensory information from body

22
Q

Frontal lobe location

A

Anterior portion of the cerebral hemisphere

23
Q

Function: Frontal Lobe

A
  1. Controls voluntary motor activity
  2. Involved in higher mental processing, emotional behavior, and speech output
    - Broca’s Area
24
Q

Parietal lobe location

A

Lateral surface of the cerebral hemisphere

25
Q

Function: Parietal lob

A

Receives general sensory information from the body

- Involved in language and tactile object recognition

26
Q

Temporal lobe location

A

Lateral and inferior portion of each cerebral hemisphere

27
Q

Function: Temporal lobe

A

Primary hearing and smelling areas

- Memory, speech perception and recognition

28
Q

Occipital lobe location

A

Posterior portion of each cerebral hemisphere

29
Q

Function: Occipital lobe

A

Primary visual area

30
Q

Cerebellum location

A

Dorsal/posterior to brainstem

31
Q

Function: Cerebellum

A

Coordinates complex movements and monitors muscles to ensure fluid movements

32
Q

Corpus callosum is a large, myelinated fiber tract connecting _____

A

Left and right hemisphere

33
Q

Thalamus location

A

Diencephalon

34
Q

Function: Thalamus

A

Primarily for relay of sensory information to the cortex

- Relays information for movement planning

35
Q

Function: Hypothalamus

A
  1. Master control center for the endocrine system
  2. Controls the autonomic nervous system
  3. Regulates emotional behavior
  4. Maintains the sleep/wake cycle
  5. Similar to the pituitary gland
36
Q

Location: Hypothalamus

A

Ventral diencephalon

37
Q

Function: Pineal gland

A

Secretes melatonin

38
Q

Location: Pineal gland

A

Diencephalon

39
Q

Hormones secreted by the anterior pituitary gland

A
  1. Thyroid-stimulating (TSH)
  2. Prolactin (PRL)
  3. Adrenocorticotropic (ACTH)
  4. Growth (GH)
  5. Luteinizing (LH)
  6. Melanocyte-stimulating (MSH)
  7. Follicle-stimulating (FSH)
40
Q

Location: Pituitary gland

A

Rests in the sella turcica of the sphenoid bone

41
Q

Function: Midbrain

A
  1. Coordinates movement in response to visual and auditory stimuli
  2. Conveys motor information from the cerebral cortex to the pons
  3. Conveys sensory information from the spinal cord to the thalamus
42
Q

Location: Midbrain

A

Brainstem

- Between diencephalon and pons

43
Q

Function: Pons

A
  1. Involves in control of sleep and respiration

2. Transfers of information to and between cerebellar hemisphere

44
Q

Location: Pons

A

Ventral aspect of the brainstem

45
Q

Function: Medulla Oblongata

A

Contains the respiratory, cardiac, and vasomotor centers

46
Q

Location: Medulla Oblongata

A

Most caudal/inferior portion of the brain

Human Anatomy (17 decks)

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