intro to nervous system

Multiple Choice

Label the Neuron-What does the letter "C" represent?

• Dendrite
• Axon
• Axon Terminal
• Cell Body

Multiple Choice

Which of the following best describes a function of the nervous system?

• It helps the body maintain homeostasis.

• It produces hormones for growth.

• It digests food for energy.

• It stores calcium in bones.

Multiple Choice

Which of the following best describes the main difference between the Central Nervous System (CNS) and the Peripheral Nervous System (PNS)?

• CNS includes the brain and spinal cord, while PNS includes nerves connecting CNS to the rest of the body.

• CNS includes only the brain, while PNS includes only the spinal cord.

• CNS controls voluntary actions, while PNS controls involuntary actions.

• CNS is found only in the head, while PNS is found only in the limbs.

Open Ended

Explain the roles of afferent and efferent nerves in the peripheral nervous system.

Open Ended

Compare and contrast the function and location of Schwann cells with that of oligodendrocytes

Multiple Select

Which of the following are components of neural tissue?

• Neurons

• Neuroglial cells

• Blood vessels

• Muscle fibers

Multiple Select

Which of the following neuroglial cells are found in the central nervous system (CNS)?

• Astrocytes

• Microglia

• Satellite cells

• Oligodendrocytes

Fill in the Blanks

Fill in the blank: Schwann cells myelinate axons in the

nervous system.

Multiple Choice

Which type of neuron has all cell processes that look alike and whose function is unknown?

• Anaxonic neuron

• Bipolar neuron

• Unipolar neuron

• Multipolar neuron

Multiple Choice

Which type of neuron is found in parts of the eye, ear, and nose and has one dendrite and one axon?

• Bipolar neuron

• Unipolar neuron

• Multipolar neuron

• Anaxonic neuron

Multiple Select

Which of the following are characteristics of unipolar neurons?

• Fused dendrites and a very long axon

• Cell body to one side

• Mostly sensory neurons

• Multiple dendrites

Open Ended

why aren't multipolar neurons present in the eyes ears and nose

1 min silent solo then turn and talk?

Fill in the Blanks

Multipolar neurons are mostly

or motor neurons.

Open Ended

silent solo : Think about when you touched a hot, sharp or pointed object and as a reflex moved your body part from the stimulus. What is the reflex arc? what is the efferent and afferent axon?

you have 30 seconds

Open Ended

Explain to your shoulder partner the reflex arc. You have 1 min.

Multiple Choice

Which step in the reflex arc involves information processing in the central nervous system (CNS)?

• Step 1

• Step 2

• Step 3

• Step 4

Fill in the Blanks

The region of a neuron that receives incoming signals from other neurons is called the

.

Multiple Choice

Which structure is labeled as 'A' in the neuromuscular junction image?

• Motor nerve fiber (axon)

• Neuromuscular junction

• Skeletal muscle fiber

• Synaptic terminal

Multiple Select

Which of the following are structural components of a neuron?

• Dendrite

• Axon

• Myelin sheath

• Effector

Multiple Choice

What is the function of the Node of Ranvier in a neuron?

• It produces neurotransmitters

• It allows for saltatory conduction

• It stores ions

• It insulates the axon

Multiple Choice

Which of the following best describes the efficiency of the nervous system?

• It is highly organized and very efficient

• It is loosely organized and inefficient

• It is only efficient during stress

• It does not help maintain homeostasis