Brain Basics
What controls breathing and heart rate?
What is the medulla oblongata?
What is the basic cell of the nervous system?
Neuron
What do the brain and spinal cord make up?
Central nervous system
What is a fast automatic response to a stimulus?
Reflex
What is a blockage of blood to the brain?
stroke
What is the largest part of the brain?
Cerebrum
What is the electrical signal sent down a neuron?
Action potential
What includes all nerves outside the brain and spinal cord?
Peripheral nervous system
Sensory neurons carry signals in what direction?
Toward the CNS (afferent)
What disorder causes tremors and slow movement?
Parkinson’s disease
What controls balance and coordination?
Cerebellum
What is the gap between two neurons called?
Synapse
What controls voluntary movement?
Somatic nervous system
Motor neurons carry signals in what direction?
Away from the CNS (efferent)
What is loss of movement or feeling from spinal injury?
Paralysis
What brain structure is the relay station for sensory info?
Thalamus
What are chemical messengers released by neurons?
Neurotransmitters
what controls automatic body functions?
Autonomic nervous system
What reflex is tested with the knee-jerk test?
Patellar reflex
What is a sudden burst of abnormal brain activity?
Seizure
What part of the brain controls hormones and homeostasis?
Hypothalamus
What part of the neuron receives incoming signals?
Dendrites
What are the two branches of the autonomic nervous system?
Sympathetic and parasympathetic
What pathway does a reflex follow?
Reflex arc
What disease causes loss of myelin in nerves?
Multiple sclerosis