CNS

Question 1

frontal lobe

Answer 1

the largest lobes in the human brain and they are also the most common region of injury in traumatic brain injury. The frontal lobes are important for voluntary movement, expressive language and for managing higher level executive functions.

Question 2

temporal lobe

Answer 2

sit behind the ears and are the second largest lobe. They are most commonly associated with processing auditory information and with the encoding of memory.

Question 3

parietal lobe

Answer 3

one of the major lobes in the brain, roughly located at the upper back area in the skull. It processes sensory information it receives from the outside world, mainly relating to touch, taste, and temperature.

Question 4

occipital lobe

Answer 4

the visual processing area of the brain. It is associated with visuospatial processing, distance and depth perception, color determination, object and face recognition, and memory formation.

Question 5

ventricle

Answer 5

Hollow fluid-filled cavities within brain that
contain the choroid plexus which makes cerebrospinal
fluid

Question 6

cerebellum

Answer 6

under the cerebrum; Maintains posture and balance; Coordinates timing and patterns for smooth and agile subconscious movements

Question 7

limbic system

Answer 7

the part of the brain involved in our behavioural and emotional responses, especially when it comes to behaviours we need for survival: feeding, reproduction and caring for our young, and fight or flight responses.

Question 8

cerebrum

Answer 8

the largest part of the brain; Made of left and right
hemispheres; Also divided into 4 lobes; Functions in learning, speech, emotion, reasoning, vision, hearing,
and fine movements; Surface is the cerebral
cortex and is arranged in
folds to increase surface

Question 9

spinal cord

Answer 9

A column of nerve tissue that runs from the base of the skull down the center of the back

Question 10

brainstem

Answer 10

base of the cerebrum and anterior to the cerebellum; Includes the medulla oblongata, midbrain, and pons; Relays info between rest of the brain and the spinal cord; Coordinates a lot of automatic functions like respiration, circulation, body temperature, sleep,
digestion, and swallowing

Question 11

skull

Answer 11

The bones that form the head

Question 12

meninges

Answer 12

the three membranes (the dura mater, arachnoid, and pia mater) that line the skull and vertebral canal and enclose the brain and spinal cord.(the thin layers of tissue that cover and protect the brain and spinal cord).

Question 13

cerebral spinal fluid

Answer 13

The fluid that flows in and around the hollow spaces of the brain and spinal cord, and between two of the meninges

Question 14

bipolar neuron

Answer 14

2 processes (1 axon and 1 dendrite on opposite ends of the cell); Rare, found in a few special sense
organs

Question 15

unipolar neuron

Answer 15

1 process, dividing from the cell body like a T; In the ganglia (group of sensory neurons) in the PNS

Question 16

multipolar neuron

Answer 16

meaning >3 processes (1 axon and 2 or more dendrites); 99% of neurons are multipolar

Question 17

cell body

Answer 17

the life support containing the nucleus and most organelles (such as tons of mitochondria)

Question 18

axon terminal

Answer 18

the end of the axon that releases neurotransmitters at a synapse when a nerve impulse is received; the secretory region

Question 19

dendrites

Answer 19

the main receptor of signals; input region

Question 20

myelin sheath

Answer 20

covers long axons (nerve fibers) to protect and electrically insulate them to increase the speed of nerve impulse transmission

Question 21

nodes of raniver

Answer 21

unmyelinated gaps in the myelin sheath that aid in increasing the velocity of nerve signal conduction