SL 8

Question 1

A bundle of axons in the peripheral nervous system is referred to as a

Answer 1

Nerve

Question 2

A bundle of axons in the CNS is known as a

Answer 2

Tract or commisure

Question 3

Cerebral cortex

Answer 3

Perception, skilled movement, reasoning

Question 5

Example of interconnecting axonal pathways

Answer 5

Corpus callosum

Question 6

Corpus callosum

Answer 6

Massive bundle of axons that connects left and right hemispheres of cerebrum

Question 7

White matter is found deep to the

Answer 7

Cortex, and consists of myelinated axons

Question 8

Cerebral cortex consists of what type of matter

Answer 8

Grey

Question 9

Sulci

Answer 9

Grooves/ invaginations of the lobe

Question 10

Gyri

Answer 10

Defined as ridges of the lobe

Question 11

Subcortical nuclei

Answer 11

Grey matter found deep within the cerebral hemispheres

Question 12

Thalamus

Answer 12

Integration center

Question 13

Limbic system contains

Answer 13

Parts of the frontal lobe cortex, temporal lobe, thalamus, and hypothalamus

Question 14

Main functioning of limbic system

Answer 14

Visceral and endocrine

Question 15

Hypothalamus

Answer 15

Master command center for neural endocrine coordination, and homeostatic regulation

Question 16

Epithalmus

Answer 16

Contains the pineal gland that functions to control circadian rhythm through release of melatonin

Question 17

Cerebellum regulates ____ control

Answer 17

Motor

Question 18

Reticular formation

Answer 18

Lossley arranged nuclei that’s are intermingled with axons to receive and integrate input form all regions of CNS

Question 19

Brainstem is composed of

Answer 19

The midbrain, pons, medulla oblongata, reticular formation

Question 20

Meninges

Answer 20

Protects the CNS and absorbs cerebral spinal fluid

Question 21

Meninges are comprised of three layers

Answer 21

Dura (outermost), arachnoid, and pia (inner most)

Question 22

Dura matter

Answer 22

Thick superficial layer of meninges

Question 23

Subarachnoid space

Answer 23

Found between arachnoid and pia matter

Question 24

What is the function of choroid plexus

Answer 24

Producing csf and circulating it through ventricles and subarachnoid space

Question 25

Blood brain barrier is formed by

Answer 25

Astrocytes

Question 26

In the Spinal cord unlike the brain grey matter is found

Answer 26

Deep to the white matter

Question 27

Afferent neurons enter the spinal cord

Answer 27

on dorsal side

Question 28

Efferent neurons leave the spinal cord through

Answer 28

Ventral side

Question 29

Somatic nervous system axon characteristics

Answer 29

- large diameter myelinated axons - axons travel from CNS to skeletal muscle without additional synapse - excitatory only

Question 30

Axons in the autonomic nervous system characteristics

Answer 30

- can be excitatory or inhibitory - synapse/ ganglion exists

Question 31

Divisions of the autonomic nervous system

Answer 31

Sympathetic, parasympathetic, enteric

Question 32

Sympathetic nervous system

Answer 32

Fight or flight response

Question 33

Major neurotransmitter released between pre and post ganglionic neurons in sympathetic nervous system

Answer 33

Acetylcholine

Question 34

Major neurotransmitter released between post ganglionic and effector cells in sympathetic nervous system

Answer 34

Norepinephrine

Question 35

Epinephrine and norepinephrine are released from

Answer 35

Adrenal medulla

Question 36

Parasympathetic nervous system is known as

Answer 36

Rest and digest

Question 37

In the parasympathetic nervous system the major nt is

Answer 37

Always acetylcholine

Question 39

Parasympathetic nervous systems body effects

Answer 39

Construct pupil, decrease heart rate, anabolism