HBS 2.1 Flashcard

Front

What is a nerve cell, the fundamental unit of the nervous system?

Back

Neuron

Front

What disorder is caused by an abnormal electrical discharge from neurons?

Back

Epilepsy

Front

What brain disorder involves the loss of neurons that release acetylcholine and contributes to plaque build-up?

Back

Alzheimer's Disease

Front

What type of neuron is responsible for transmitting sensory information to the brain?

Back

Sensory neuron

Front

What is the insulating coat of cell membrane from Schwann cells that is interrupted by the nodes of Ranvier?

Back

Myelin sheath

Front

What is the primary function of a neuron?

Back

To transmit electrical signals throughout the nervous system.

Front

What are the three main types of neurons?

Back

Sensory neurons, motor neurons, and interneurons.

Front

What is the role of neurotransmitters in the nervous system?

Back

They transmit signals across synapses between neurons.

Front

What is the function of the axon in a neuron?

Back

To carry electrical impulses away from the cell body.

Front

What is the significance of the nodes of Ranvier?

Back

They facilitate rapid conduction of nerve impulses along myelinated axons.