Nervous System Review

Multiple Choice

Which is NOT a characteristic of the nervous system?

• Fast response time

• Short acting responses

• Uses hormones

• Helps maintain homeostasis

Multiple Choice

Which is NOT a function of the nervous system?

• filtration

• sensory input

• integration (process)

• motor output

Match

Match the following:

• Central Nervous System

• Somatic Nervous System

• Autonomic Nervous System

• Sympathetic Nervous System

• Parasympathetic Nervous System

Brain and Spinal Cord

Voluntary (motor)

Involuntary (motor)

Fight or Flight

Rest and Digest

• Brain and Spinal Cord

• Voluntary (motor)

• Involuntary (motor)

• Fight or Flight

• Rest and Digest

Match

Match the following using the diagram (I hope you can zoom in..sorry if you can't) (A-E are on the top, F-I are on the bottom)

• Dendrites

• Synapse

• Axon Terminals

• Nodes of Ranvier

• Axon

A

I

B

E

G

• A

• I

• B

• E

• G

Match

Match the following:

• Polarized

• Depolarized

• Repolarized

• Action Potential

A neuron at rest

Sodium ions (Na+) rush in

Potassium ions (K+) are pumped out

Peak of impulse (all or none respone)

• A neuron at rest

• Sodium ions (Na+) rush in

• Potassium ions (K+) are pumped out

• Peak of impulse (all or none respone)

Multiple Choice

Which is NOT true about the myelin sheath?

• It speeds up electrical impulses down the axon tail.

• It is made up of Schwann cells.

• The gaps between the myelin sheath cells are called synapses or synaptic clefts.

• Multiple Sclerosis is an autoimmune disorder that causes lesions in the myelin sheath.

Multiple Choice

Nerve impulses are carried across the gap between neurons via

• neurotransmitters

• calcium ions (Ca²⁺)

• impulse shuttles

• hormones

Multiple Choice

Which is NOT a characteristic of reflexes?

• Rapid

• Predictable

• Voluntary

• Integrates in the spinal cord

Multiple Choice

Pupillary response is a

• Reflex

• Reaction

• Neither a reflex or reaction

• Both a reflex and reaction

Match

Match the following:

• Frontal Lobe

• Parietal Lobe

• Temporal Lobe

• Occipital Lobe

• Brain Stem

Intellect and Emotions

Reading, body orientation, sensations

Memory, hearing, and understanding language

Vision and color perception

Breathing, BP, Heartrate

• Intellect and Emotions

• Reading, body orientation, sensations

• Memory, hearing, and understanding language

• Vision and color perception

• Breathing, BP, Heartrate

Reorder

Put the layers of the meninges in the correct order from outer, middle, inner:

• Dura Mater

• Arachnoid Mater

• Pia Mater

1

2

3

• 1
• 2
• 3

Multiple Choice

Which is NOT a characteristic of cerebrospinal fluid?

• Creates a watery cushion layer around the brain and spinal cord

• Flushes toxins away from the brain and spinal cord

• Gives the brain and spinal cord a little buoyancy helping to protect them

• CSF is created by the cerebellum

Match

Match the following:

• Hydrocephaly

• Cerebrovascular Accident (CVA)

• Concussion

excess CSF around the brain

aka: stroke

Brain tissue dies due to lack of blood flow

slight brain injury; could cause dizziness or brief loss of consciousness

• excess CSF around the brain

• aka: stroke

  Brain tissue dies due to lack of blood flow

• slight brain injury; could cause dizziness or brief loss of consciousness

Match

Match the following:

• Huntington's Disease

• Parkinson's Disease

• Alzheimer's Disease

A degenerative hereditary disorder causing wild jerky movements, mental decline, and irritability

Unknown cause that decreases dopamine levels leading to tremors and 'stone face'

A degenerative disease causing progressive memory loss, disorientation, and moodiness

• A degenerative hereditary disorder causing wild jerky movements, mental decline, and irritability

• Unknown cause that decreases dopamine levels leading to tremors and 'stone face'

• A degenerative disease causing progressive memory loss, disorientation, and moodiness

Multiple Choice

The optic disk, or blind spot, is

• where color vision doesn't exist

• where the optic nerve connects to the back of the eye

• when the pupil is dilated and vision is disrupted

• when a lens clouds up and causes blindness

Multiple Choice

Which is NOT a characteristic of rods?

• reacts in dim light helping with night vision

• input is only in gray tones

• input is fuzzy, indistinct images

• rods assist most with central vision

• several rods connect to one bipolar neuron

Multiple Choice

Which is NOT a characteristic of cones?

• reacts in bright light

• input is in color using magenta, yellow, and cyan

• input is detailed, high resolution images

• concentrated in the fovea centralis

• one cone connects to one bipolar neuron

Match

Match the following:

• Lens

• Sclera

• Retina

• Cornea

• Choroid

Biconvex crystal-like structure that bends light to the back of the eye

Opaque (white) outermost layer

Layer on the back of the eye containing the photoreceptors

Transparent protective "window" on the front of the eye

Dark pigmented preventing scattering of light in the eye

• Biconvex crystal-like structure that bends light to the back of the eye

• Opaque (white) outermost layer

• Layer on the back of the eye containing the photoreceptors

• Transparent protective "window" on the front of the eye

• Dark pigmented preventing scattering of light in the eye

Match

Match the following:

• aqueous humor

• vitreous humor

• suspensory ligaments

• iris

• pupil

fluid in the anterior chamber of the eye

fluid in the posterior chamber of the eye

holds the lens in place

colored portion of the eye

adjustable central opening of the eye

• fluid in the anterior chamber of the eye

• fluid in the posterior chamber of the eye

• holds the lens in place

• colored portion of the eye

• adjustable central opening of the eye

Multiple Choice

Which statement about vision is NOT true?

• binocular vision provides depth perception

• the right eye sends visual input to the right hemisphere of the brain; and the left eye to the left hemisphere

• the real image is projected onto the retina flipped upside down and reversed right to left

• color "mixing" occurs in the brain, not the eye

Multiple Choice

Which is NOT a characteristic of the sense of smell?

• smell is closely tied to memory and emotion

• 'nose blindness' is caused from the brain ignoring unchanging stimulus

• gustatory receptors are bathed in a layer of mucus

• the brain creates 'odor snaphots' so we can identify smells

Multiple Choice

Which is NOT a basic taste sensation?

• tangy

• bitter

• umami

• salty

Multiple Choice

Which section of the ear is used for hearing AND balance?

• outer

• middle

• inner

Match

Match the following:

• Pinna (auricle)

• Tympanic membrane (ear drum)

• Ossicles (malleus, incus, stapes)

• Cochlea

• Cochlear nerve

Catches soundwaves

Vibrates in response to soundwaves

Amplifies vibrations

Contains fluid that ripples in response to vibrations picked up by hair-like receptors

transmits receptor input to the brain

• Catches soundwaves

• Vibrates in response to soundwaves

• Amplifies vibrations

• Contains fluid that ripples in response to vibrations picked up by hair-like receptors

• transmits receptor input to the brain

Multiple Choice

True or False: Sound and balance are activated and processed independently of one another.

• True

• False

Match

Match the following:

• low frequency

• high frequency

• low amplitude

• high amplitude

low pitch

high pitch

quiet sounds

loud sounds

• low pitch

• high pitch

• quiet sounds

• loud sounds

Reorder

Reorder the following for the pathway of sound through the ear structures:

• Pinna (auricle)

• Auditory canal

• Tympanic membrane (ear drum)

• Ossicles

• Vestibule/Cochlea

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Select

Which jobs would be unavailable for someone who is colorblind? (select all that apply)

• police officer

• electrician

• teacher

• lawyer

• pilot

Match

Match the following:

• Nystagmus

• Strabismus

• Glaucoma

• Cataract

uncontrolled eye movement

crossed-eyes

increased pressure in the eye due to blocked drainage

clouding of the lens

• uncontrolled eye movement

• crossed-eyes

• increased pressure in the eye due to blocked drainage

• clouding of the lens

Match

Match the following:

• Otosclerosis

• Sensorineural deafness

• Tinnitus

• Otitis Media

a type of conduction deafness due to bony overgrowth on the stapes

loss of hearing due to degeneration or damage to the receptors or nerves

Ringing, clicking, or humming in the ear

middle ear infection/inflammation

• a type of conduction deafness due to bony overgrowth on the stapes

• loss of hearing due to degeneration or damage to the receptors or nerves

• Ringing, clicking, or humming in the ear

• middle ear infection/inflammation

Match

Match the following:

• Eye/Vision

• Ear/Hearing

• Nose/Smelling

• Mouth/Tasting

Photo

Auditory

Olfactory

Gustatory

• Photo

• Auditory

• Olfactory

• Gustatory