+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
Which of the following is a division of the autonomic nervous system and is most active under calm conditions
|
Parasympathetic nervous system
|
|
What are impule-conducting cells that possess properties of excitability and conductibility
|
Neurons
|
|
What are the gaps located at intervals along myelinated axons that increase their rate of conduction
|
Nodes of Ranvier
|
|
Which is a division of the peripheral nervous system that is involuntary, supplying mainly smooth muscle, cardiac (heart Muscle, and glands??
|
Autonomic nervous system
|
|
What is the junction between two neurons or between a neuron and a muscle or gland, where transmission of nerve impulses takes place?
|
Synapse
|
|
What is the substance formed by Schwann cells that creates a fatty insulating sheath, which surrounds most axons in the peripheral nervous system?
|
Myelin
|
|
What division of the nervous system contains the brain, spinal cord, cerebrospinal fluid, and meninges?
|
Central nervous system
|
|
What is a bundle of neurons held together by several layers of connective tissue called?
|
Nerve
|
|
What division of the nervous system is composed of the cranial and the spinal nerves?
|
Peripheral nervous system
|
|
What divison of the autonomic nervous system is stimulated during physical exertion or emotional stress and has thus earned the nickname i fight-or-flighti
|
Sympathetic nervous system
|
|
Which type of connective tissue supports, nourishes, protects, insulates, and organizes the neurons??
|
Neuroglia
|
|
Which of the following is the collective term for the chemical messengers involved in nerve impulse transmisssions
|
Neurotransmitters
|
|
What is an instantaneous, automatic response to a stimulus from either inside or outside the body??
|
Reflex
|
|
Which are the neural extensions that carry the impulses aways from the neuron toward another neuron, a muscle cell, or a gland?
|
Axons
|
|
Which are the neural extensions that are narrow and highly branched and receive and transmit stimuli toward the cell body?
|
Dendrites
|
