Overview of the Nervous System Notes

Multiple Choice

Which of the following is NOT a major organ of the nervous system?

• Brain

• Spinal Cord

• Neurons

• Heart

Multiple Choice

Which of the following best describes the role of sensory neurons in responding to information?

• They detect changes inside or outside the body and relay signals to the CNS.

• They coordinate and blend sensory signals in the brain.

• They respond to incoming signals by effecting change in tissues.

• They integrate signals within the CNS by relaying them.

Multiple Choice

Which of the following are functions of interneurons in the nervous system?

• Integrate sensory signals by relaying signals within the CNS

• Detect changes inside or outside the body

• Respond to incoming signals by effecting change in tissues

• Produce unconscious or conscious records

Fill in the Blank

Motor neurons convey signals to the heart, blood vessels, and ___ muscle.

Multiple Select

Which of the following are included in the peripheral nervous system?

• Cranial nerves

• Spinal nerves

• Thalamus

• Hypothalamus

Fill in the Blank

The somatic division operates ___ and receives signals from special sense organs and somatic receptors.

Multiple Choice

Which division of the nervous system is responsible for routine involuntary functions such as digestion and heart rate regulation?

• Somatic Nervous System

• Sympathetic Nervous System

• Parasympathetic Nervous System

• Central Nervous System

Multiple Choice

Which of the following is the main functional cell of the nervous system?

• Neuron

• Astrocyte

• Microglia

• Oligodendrocyte

Labelling

label the parts of the neuron

Drag labels to their correct position on the image

cell body

axon terminals

Dendrites

axon

Multiple Select

Which of the following are types of neuroglial cells?

• Astrocytes

• Microglia

• Oligodendrocytes

• Neurons

Multiple Choice

Which type of glial cell acts as scavengers in the central nervous system (CNS)?

• Microglia

• Oligodendrocytes

• Ependymal cells

• Schwann cells

Multiple Choice

Ependymal cells produce cerebrospinal fluid, which protects brain tissue. What other function do these cells perform?

• Act as neuronal stem cells

• Transmit nerve signals

• Form myelin sheath

• Integrate signals

Multiple Select

Which of the following are true about Schwann cells?

• They myelinate a single axon

• They are found in the CNS

• They form myelin sheaths

• They support axons

Multiple Choice

What are the major organs of the nervous system?

• Brain, Spinal Cord, Neurons

• Heart, Lungs, Kidneys

• Bones, Muscles, Skin

• Liver, Pancreas, Stomach