Lab: APR Nervous System

Question 1

What is the core of the spinal cord

Answer 1

Grey matter of spinal cord

- composed of nervous tissue shaped like the letter H

Question 2

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

Answer 2

H

Question 3

Ventral horns of the grey matter are associated with ___ neurons

Answer 3

Motor

Question 4

Dorsal horns of the grey matter are associated with ___ neurons

Answer 4

Sensory

Question 5

_____ is the outer layer of the spinal cord

Answer 5

White matter of spinal cord

Question 6

White matter of spinal cord is composed of ____ axons

Answer 6

Myelinated

Question 7

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

Answer 7

Opposite

Question 8

Function: Dorsal rootlet

Answer 8

Conduct afferent (sensory) impulse

Question 9

Function: Ventral rootlets

Answer 9

Conduct efferent (motor) impulse

Question 10

What does the dura mater surround

Answer 10

Brain and spinal cord

Question 11

Dura mater is tough, dense irregular ____ tissue

Answer 11

Connective

Question 12

What are the 3 layers of meninges?

Answer 12

1. Dura mater - external
2. Arachnoid
3. Pia mater - internal

Question 13

Function: Dura mater

Answer 13

Protection of brain and spinal cord

Question 14

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

Answer 14

Lateral

Question 15

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

Answer 15

Frontal; Parietal

Question 16

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

Answer 16

Posterior

Question 17

Precentral gyrus location

Answer 17

Anterior edge of the central sulcus

Question 18

Function: Precentral gyrus

Answer 18

Controls voluntary movement

Question 19

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

Answer 19

Anterior

Question 20

Postcentral gyrus location

Answer 20

Posterior edge of the central sulcus

Question 21

Function: Postcentral gyrus

Answer 21

Receives somatosensory information from body

Question 22

Frontal lobe location

Answer 22

Anterior portion of the cerebral hemisphere

Question 23

Function: Frontal Lobe

Answer 23

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

Question 24

Parietal lobe location

Answer 24

Lateral surface of the cerebral hemisphere

Question 25

Function: Parietal lob

Answer 25

Receives general sensory information from the body | - Involved in language and tactile object recognition

Question 26

Temporal lobe location

Answer 26

Lateral and inferior portion of each cerebral hemisphere

Question 27

Function: Temporal lobe

Answer 27

Primary hearing and smelling areas | - Memory, speech perception and recognition

Question 28

Occipital lobe location

Answer 28

Posterior portion of each cerebral hemisphere

Question 29

Function: Occipital lobe

Answer 29

Primary visual area

Question 30

Cerebellum location

Answer 30

Dorsal/posterior to brainstem

Question 31

Function: Cerebellum

Answer 31

Coordinates complex movements and monitors muscles to ensure fluid movements

Question 32

Corpus callosum is a large, myelinated fiber tract connecting _____

Answer 32

Left and right hemisphere

Question 33

Thalamus location

Answer 33

Diencephalon

Question 34

Function: Thalamus

Answer 34

Primarily for relay of sensory information to the cortex | - Relays information for movement planning

Question 35

Function: Hypothalamus

Answer 35

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

Question 36

Location: Hypothalamus

Answer 36

Ventral diencephalon

Question 37

Function: Pineal gland

Answer 37

Secretes melatonin

Question 38

Location: Pineal gland

Answer 38

Diencephalon

Question 39

Hormones secreted by the anterior pituitary gland

Answer 39

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

Question 40

Location: Pituitary gland

Answer 40

Rests in the sella turcica of the sphenoid bone

Question 41

Function: Midbrain

Answer 41

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

Question 42

Location: Midbrain

Answer 42

Brainstem | - Between diencephalon and pons

Question 43

Function: Pons

Answer 43

1. Involves in control of sleep and respiration | 2. Transfers of information to and between cerebellar hemisphere

Question 44

Location: Pons

Answer 44

Ventral aspect of the brainstem

Question 45

Function: Medulla Oblongata

Answer 45

Contains the respiratory, cardiac, and vasomotor centers

Question 46

Location: Medulla Oblongata

Answer 46

Most caudal/inferior portion of the brain