General
The nervous system is divided into 2 primary categories - what are they?
Central and peripheral
The nervous system is primarily made up of this tissue type
Neuroglia
Movement of ions cause . . .
changes in electrical charges
Which lobe of the brain controls reasoning, decision making & planning
Frontal
Spaces in the brain that contain cerebrospinal fluid
Ventricles
Division often referred to as the "fight or flight"
Sympathetic
This nervous tissue makes up 10% of the nervous system
Neurons
Name of the space where two neurons meet
Synapse
Relays information from PNS to the cerebrum for processing/sorting
Thalamus
You’ve been practicing your jump shot for basketball every day. When you get into a game, which section of your brain allows you to use these motions easily and without thought?
Cerebellum
Describe the difference between the autonomic and Somatic divisions
Somatic is voluntary and autonomic is involuntary
Which of the following is used to classify a neuron
number of processes from cell body
When an impulse passes through a neuron, what is the correct order for transmission of the impulse (from receiving the signal to passing it on)
dendrites -> cell body -> axon
Sits just above spinal cord, controls involuntary activities
Brain Stem
What are the three regions of the brain stem?
Midbrain, Pons, Medulla Oblongata
Which part of the nervous system can help calm someone down after an emergency has occurred?
Parasympathetic division
____________ wrap around the axon of a neuron to create the __________________
Schwann cells, myelin sheath
Depolarization happens as result of this ion moving into the neuron
Na+ or Sodium
Which structures are found in the diencephalon?
Thalamus, hypothalamus, and pineal gland
Breathing is controlled by this region (brainstem specifically)
Pons
When you intentionally tighten your abdominal muscles, which divisions of the nervous system are being used
Motor; Somatic
These neurons carry impulses to the central nervous system (CNS)
Afferent
Describes a cell's resting potential
The cell is negatively charged and the environment is positively charged
What is the order of the layers of meninges, starting against the skull and moving toward the brain
dura mater, arachnoid, pia mater
Describe 2 differences between the cerebrum and cerebellum?
Answer could focus on any two:
Location: Cerebrum is the largest part of the brain, at the top and front of the head. Cerebellum is underneath the cerebrum, at the back of the head, near the brainstem.
Function: Cerebrum does higher cognitive functions (thinking, memory, learning, language), sensory processing, and voluntary movement initiation. Cerebellum coordinates voluntary movements, maintains balance, posture, and motor learning.
Structure: Cerebrum is divided into two hemispheres and four lobes, with a highly folded surface. Cerebellum is smaller, with a unique folded surface (folia) and contains a large number of neurons.