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Nerves of Steel
Veterinary Medical Terminology Chapter 13
| Question | Answer |
|---|---|
| What is the chemical substance that allows signals to move from one neuron to another called? | neurotransmitter |
| What is the portion of the nervous system that consists of the brain and spinal cord? | central nervous system |
| What is the portion of the nervous system that consists of the cranial and spinal nerves, autonomic nervous system, and ganglia called? | peripheral nervous system |
| After a stressful situation, what brings the body back into a homeostatic state? | parasympathetic nervous system |
| The fight or flight response is part of what nervous system? | sympathetic nervous system |
| Which part of the brain is the largest? | cerebrum |
| Which part of the brain is the second largest? | cerebellum |
| A synapse is the junction between what two things? | two neurons or between a neuron and a receptor |
| What part of the neuron serves as the electrical insulator and speeds up transmissions of impulses? | myelin sheath |
| Where does the nucleus live in the neuron? | within the soma or cell body |
| What part of the neuron is responsible for conducting impulses away from the cell body? | axon terminals |
| What is the conducting fiber of the neuron? | axon |
| What part of the neuron houses the nucleus and is responsible for maintaining the life of the neuron? | the soma or cell body |
| What are the gaps in the myelin where ionic exchange takes place on the neuron? | nodes of Ranvier |
| What part of the neuron receives impulses and conducts them toward the cell body? | dendrites |
| What are the two major divisions of the nervous system? | central and peripheral |
| What is the medical term for unequal pupil size? | anisocoria |
| What is the medical term for third eyelid? | nictitating membrane |
| What is the medical term for dilated pupil? | mydriasis |
| What is the medical term for constricted pupil? | miosis |