Anatomy Nervous System

Question 1

What is the central nervous system? (where)

Answer 1

Brain and spinal cord

Question 2

what is the peripheral Nervous system

Answer 2

Sensory and motor

Question 3

what does sensory division use

Answer 3

Sensory receptors

Question 4

what does the somatic nervous system use

Answer 4

skeletal muscles

Question 5

What does the autonomic nervous system use

Answer 5

1. smooth muscles
2. cardiac muscles
3. glands

Question 6

Nerotransmitter process

Answer 6

1. Nerve impulse arrives at axon terminal
2. calcium ion enters
3. excites of neurotransmitts
4. diffusion through the synaptic cleft
5. binding to receptors on postsynaptic membranes

Question 7

Ear hearing diagram

Answer 7

1. Auricle
2. external acoustic meatus
3. tympanic membrane
4. stapes
5. auditory tube
6. cochlea
7. semicircular canals
8. incus
9. malleus

Question 8

changes in the environment are detected by structures are called?

Answer 8

sensory receptors

Question 9

these structures trigger impulses that travel via ______ to the__________

Answer 9

sensory pathways, central nervous system

Question 10

the receptors for touch, pressure, temperatures, and pain are structurally______ and found in the skin or deeper tissues. these receptors are for you ______ senses.

Answer 10

simple, general

Question 11

receptors are for vision, hearing, taste, smell, and balance equilibrium are more complex in structure. these are the ______ senses

Answer 11

special

Question 12

when you experience a ________, the brain has become aware of the incoming sensory impulses; ______ occurs when the brain interprets the sensory impulses.

Answer 12

sensation, perception

Question 13

in most neurons the threshold potential is about…

Answer 13

• 55mV

Question 14

nerves of the peripheral nervous system usually form complex networks called

Answer 14

plexuses

Question 15

what type of functional are of the cerebral cortex would be responsible for sending impulses that control skeletal muscles?

Answer 15

Motor area

Question 16

normal, quiet, everyday activities like resting and digesting are controlled by this division of the autonomic nervous system.

Answer 16

parasympathetic branch

Question 17

during an action potential, depolarization occurs as a result of

Answer 17

sodium ions diffusing to the INSIDE of the CELL MEMBRANE

Question 18

the cellular processes of neurons that provide receptive surfaces for input from other neurons are

Answer 18

dendrites

Question 19

which of the following lists parts of a reflex arc in the correct sequence

Answer 19

1. receptor
2. sensory neuron
3. interneuron
4. motor neuron
5. effector

Question 20

pulling your hand away from a hot pot is an example of

Answer 20

a withdrawal reflex

Question 21

neurotransmitters that hyper polarize post-synaptic are always

Answer 21

inhibitory

Question 22

neurons entirely contained within the brain or spinal cord are functionally classified in

Answer 22

interneurons

Question 23

the cardiac and vasomotor centers are located in the

Answer 23

medulla oblongata

Question 24

when a neuron’s membrane becomes more permeable to SODIUM, the neuron what’s??

Answer 24

depolarizes

Question 25

the part of the brain that coordinates VOLUNTARY muscle movements is the

Answer 25

Cerebellum

Question 26

action potentials reaching the synaptic knob open voltage-gated ____ channels, triggering synaptic vessels to relate neurotransmitters

Answer 26

CALCIUM

Question 27

The largest part of the brain; reasoning, memory, and voluntary responses

Answer 27

cerebum

Question 28

Collection of myelinated axons which connect cerebral hemispheres

Answer 28

corpus callosum

Question 29

One of the four major portions of the brain; surrounds the third ventricle

Answer 29

diencephalan

Question 30

Membranes to cover and protect brain and spinal cord

Answer 30

meninges

Question 31

Ridge or convolution on the surface of the brain

Answer 31

gyrus

Question 32

A shallow groove on the surface of the brain

Answer 32

sulcus

Question 33

A deep groove on the surface of the brain

Answer 33

fissure

Question 34

Regulates visceral activities and involuntary responses; connects diencephalon to spinal cord

Answer 34

brainstem

Question 35

Coordinates voluntary muscle movement

Answer 35

cerebellum

Question 36

In the diencephalon, is a relay area for sensory impulses

Answer 36

thalamus

Question 37

In the diencephalon, links the endocrine to the neural systems

Answer 37

hyothalamus

Question 38

In the brainstem, has auditory and visual reflex centers

Answer 38

midbrain

Question 39

In the brainstem. helps maintain breathing

Answer 39

pons

Question 40

In the brainstem, controls vital visceral activities

Answer 40

medulla oblongata