Unit 6A: The Nervous System Review

Poll

PRE-Poll: How are we feeling about the nervous system BEFORE we do this review?

• GREAT! I'll get an A!

• Bleh, I'll get a B or C

• I'm extremely NERVOUS

• I haven't studied and I definitely won't finish this review...

Poll

POST-Poll: How are we feeling about the nervous system AFTER we do this review?

• GREAT! I'll get an A!

• Bleh, I'll get a B or C

• I'm extremely NERVOUS

• Hey, look! I finished!

Multiple Choice

This is the job of the nervous system.

• To send messages to and from the brain and spinal cord to and from the body
• To break down food to be used by the body
• To remove wastes from the body

Multiple Choice

If a neuron responds at all, it responds completely. This is known as the

• threshold
• all-or-none response
• withdrawal reflex

Multiple Choice

These are the supporting cells of the CNS

• neuron.
• sensory.
• motor.
• neuroglia.

Multiple Choice

What part of the neuron carries the impulse toward the nerve cell body?

• Dorsal Root
• Dendrites
• Myelin Sheath
• Axon

Multiple Choice

What part of the neuron is myelinated?

• Cell Body
• Axon
• Synapse
• Dendrite

Multiple Choice

Which part of a neuron receives the messages

• Axon terminal
• Cell Body
• Dendrites
• Somatic Nervous Axon

Match

Match the following glial cells with their functions

• Ependymal cells

• Oligodendrocytes

• Astrocytes

• Microglia

• Schwann cells

Create, secrete and circulate cerebrospinal fluid

Produce the myelin sheath in the CNS

Exchange materials between neurons and capillaries

Immune defence against invading microorganisms

Produce the myelin sheath in the PNS

• Create, secrete and circulate cerebrospinal fluid

• Produce the myelin sheath in the CNS

• Exchange materials between neurons and capillaries

• Immune defence against invading microorganisms

• Produce the myelin sheath in the PNS

Multiple Choice

The nerve cell that carries impulses from a sense receptor to the brain or spinal cord is a _____________.

• Motor Neuron
• Sensory Neuron
• Relay Neuron

Multiple Choice

_____ neurons carry messages to the central nervous system

• Motor/efferent

• Motor/afferent

• Sensory/afferent

• Sensory/efferent

Multiple Choice

The nerve cell that connects sensory and motor neurons is a _______________.

• Motor Neuron
• Sensory Neuron
• Interneurons 
• Glial cells

Multiple Choice

The nerve cell that transmits impulses from the brain or spinal cord to a muscle or gland.

• Motor Neuron
• Relay Neuron
• Sensory Neuron
• Schwann cell

Multiple Choice

Which neurons act to connect a sensory neuron to a motor neuron? 

• interneuron
• afferent 
• efferent
• motor

Multiple Choice

What are the two parts of the nervous system? 

• The brain and spinal cord
• The central nervous and peripheral nervous system 
• The neurons and the dendrites
• The cerebrum and the medulla

Multiple Choice

consists of the brain and spinal cord and coordinates all of the body’s activities

• Central nervous system

• Cerebrum

• Peripheral nervous system

• Medulla oblongata

Multiple Choice

consists of sensory and motor neurons that transmit information to and from the central nervous system

• Central nervous system

• Cerebrum

• Peripheral nervous system

• Medulla oblongata

Match

Match the following

• part of the peripheral nervous system that transmits impulses to and from skin and skeletal muscles

• part of the brain that regulates body temperature, appetite, thirst, and water balance

• part of the peripheral nervous system that transmits impulses from the central nervous system to internal organs

• branch of the autonomic nervous system that controls organs and is most active during emergencies or stress

• branch of the autonomic nervous system that controls organs and is most active when the body is at rest

Somatic nervous system

Hypothalamus

Autonomic nervous system

Sympathetic nervous system

Parasympathetic nervous system

• Somatic nervous system

• Hypothalamus

• Autonomic nervous system

• Sympathetic nervous system

• Parasympathetic nervous system

Multiple Choice

Part of the nervous system made of the brain and spinal cord.

• central nervous system
• peripheral nervous system

Multiple Choice

branch of the autonomic nervous system that controls organs and is most active during emergencies or stress

• Somatic nervous system

• Hypothalamus

• Autonomic nervous system

• Sympathetic nervous system

Multiple Select

The PNS (peripheral nervous system)

• contains the brain and spinal cord

• contains all the nerves of the body

• is divided into the somatic and autonomic systems

• is divided into the sympathetic and parasympathetic divisions

Drag and Drop

the part of the autonomic nervous system that deals with fight or flight: ​

Placeholder

Drag these tiles and drop them in the correct blank above

parasympathetic

sympathetic

somatic

peripheral

Multiple Choice

What is a neurotransmitter?

• fatty covering of the axon
• nerve cell
• chemical messenger
• gap between neurons

Multiple Choice

The gap that a message has to cross to get from one neuron to the other is called the _____

• synapse
• dendrite
• axon
• nucleus 

Multiple Choice

Neurotransmitters are released in a synapse and bind to:

• presynaptic terminals.
•  the synaptic cleft.
• the base of the axon.
•  receptors on the postsynaptic neuron.

Multiple Choice

A chemical substance that transmits nerve impulses across a synapse 

• Neurotransmitter
• Axon
• Synapse
• Nerve

Multiple Choice

Compared with the outside of the neuron, the inside has a(n) ____ charge.

• positive
• negative 
• equal
•  None of the above are correct.

Multiple Choice

what are the two ions transported across the membrane in an action potential?

• O^2- and K⁺
• K⁺ and Na⁺
• Ca⁺² and B⁺³
• Na⁺¹ and Cl

Multiple Choice

A sudden change in the polarity of the membrane of a neuron, gland cell, or muscle fiber that causes the transmission of electrical impulses

• Action potential
• Membrane potential
• Resting potential
• Threshold

Multiple Choice

The critical point at which a stimulus causes an action potential

• Synapse
• Action potential
• Membrane potential
• Threshold

Multiple Choice

Which letter on the illustration represents the frontal lobe? 

• A
• B
• C
• D

Multiple Choice

Thinking, problem solving, "executive functioning," happen here. 

• cerebellum
• cerebrum
• amygdala
• hypothalamus

Multiple Choice

The cerebrum is divided into four lobes 

• Upper brain, thalamus, brain stem 
• Frontal lobe, parietal lobe, occipital lobe, temporal lobe
• Temporal lobe, frontal lobe, ear lobe

Multiple Choice

Known as the "Little brain" and is in charge of balance and coordinating movements:

• Thalamus
• Reticular Formation
• Hypothalamus
• Cerebellum

Multiple Choice

largest part of the brain; is divided into two hemispheres and carries out higher thought processes involved with language, learning, memory, and voluntary body movements

• Central nervous system

• Cerebrum

• Peripheral nervous system

• Medulla oblongata

Multiple Choice

Controls motivational behaviors, including: feeding, fight-flight response

• Hippocampus
• Amygdala
• Reticular Formation
• Hypothalamus

Multiple Choice

What part of the brain is Letter C pointing to?

• Frontal Lobe
• Parietal Lobe
• Occipital Lobe
• Temporal Lobe

Multiple Choice

The red portion is the ________

• Cerebrum
• Cerebellum
• Brain Stem
• Diencephalon

Multiple Choice

Connects the left and right hemispheres of the brain

• Cerebellum
• Hypothalamus
• Medulla  Oblongata
• Corpus Callosum

Multiple Choice

part of the brain stem that helps control blood pressure, heart rate, and breathing rate

• Central nervous system

• Cerebrum

• Peripheral nervous system

• Medulla oblongata

Multiple Choice

Controls vital functions such as breathing and heart rate

• Diencephalon
• Frontal Lobe
• Brain Stem
• Cerebellum

Multiple Choice

Area of gray matter (butterfly) on the back posterior of the spinal cord

• Dorsal Horn
• Ventral Horn
• Anterior Column
• Posterior Column

Multiple Choice

AFFERENT Neurons that transmit  impulses TO  the CNS are called

• neuoglia
• sensory
• efferent
• association

Multiple Choice

In a cross section of the spinal cord, the peripheral ventral white portion consists of __________ forming nerve tracts, and the central gray portion consists of __________ , dendrites, and axons.

• Unmyelinated axons, neuron cell bodies
• Myelinated axons, sensory receptors
• Myelinated axons, neuron cell bodies
• Myelinated neurotransmitters, axons

Multiple Choice

In this picture, the red line represents a(n)

• motor neuron
• sensory neuron
• receptor
• interneuron

Multiple Choice

In this picture, the green line represents 

• motor neuron
• sensory neuron
• interneuron
• receptor

Multiple Choice

In this picture, the blue line represents a(n)

• interneuron
• motor neuron
• sensory neuron
• effector

Multiple Choice

When you touch the hot handle of a pan, this causes a reflex which happens at the __________ level without having the brain process the impulse first.

• Brain Stem
• Frontal Lobe
• Spinal Cord and Parietal Lobe
• Spinal Cord

Multiple Choice

Which is the sensory nerve pathway?

• 1
• 6

Multiple Choice

What is the bottom picture called?

• RESPONSE
• STIMULUS
• EFFECTOR MUSCLE
• HURTY EFFECT

Multiple Choice

Effectors may be all of the following EXCEPT:

• cardiac muscle
• glands
• smooth muscles
• sensory cells

Multiple Choice

Which of the following is the final part of a reflex arc?

• integration center
• effector
• receptor
• sensory neuron

Multiple Choice

 Neurons that transmit impulses Away from the CNS are called

• sensory, ventral
• sensory, dorsal
• motor, efferent
• motor, dorsal