Term
Which cells in the nervous system are those that transmit information and which are supporting cells |
|
Definition
|
|
Term
What are the short outgrowths of dendrites called? |
|
Definition
|
|
Term
What is myelin sheath and where is it found |
|
Definition
insulating material on axons that speeds up transmission) |
|
|
Term
Where are NTs released from in the Neuron |
|
Definition
presynaptic terminal buttons |
|
|
Term
What is the resting potential |
|
Definition
the difference in voltage between inside and outside f the cell, -70 |
|
|
Term
|
Definition
|
|
Term
What does depolarization do to the cell? |
|
Definition
makes it less negative, which excites it |
|
|
Term
What does hyperpolarization do to the cell |
|
Definition
makes it more negative, which inhibits it |
|
|
Term
|
Definition
mimics or increases the effects of a NT |
|
|
Term
|
Definition
blocks the effects of a NT |
|
|
Term
Where is K usually found in a neuron? |
|
Definition
|
|
Term
Where is Na usually found in a neuron? |
|
Definition
|
|
Term
What type of drug BLOCKS the effects of a NT? |
|
Definition
|
|
Term
What type of drug potentiates the effects of a NT? |
|
Definition
|
|
Term
What are the mechanisms by which NT is cleared from the synapse? |
|
Definition
|
|
Term
What are the 2 divisions of the nervous system? |
|
Definition
|
|
Term
What are the components of the CNS? |
|
Definition
|
|
Term
What are the components of the PNS |
|
Definition
|
|
Term
What are the components of the Autonomic NS? |
|
Definition
sympathetic and parasympathetic |
|
|
Term
What is a sulcus and what is a gyrus |
|
Definition
inner part of a fold or dip and then a bump or protruberance |
|
|
Term
What does the Bell-Magendie law state |
|
Definition
dorsal roots of spinal cord are sensory and ventral roots are motor |
|
|
Term
What is the fight or flight NS and what does it do? |
|
Definition
sympathetic, increases heart rate, resp rate, etc |
|
|
Term
Name 3 parts of the hindbrain. |
|
Definition
medulla, pons, cerebellum |
|
|
Term
What is important for motivation, emotion, and memory? |
|
Definition
|
|
Term
Impairment of feeding, fighting, fleeing, and mating results from damage to what forebrain structure |
|
Definition
|
|
Term
Name the 3 slices of the brain and how you would make them |
|
Definition
horizontal, sagittal, and coronal |
|
|
Term
What is CSF and where is it found |
|
Definition
cerebrospinal fluid in the ventricles |
|
|
Term
What lobe of the brain is imp for visual info |
|
Definition
|
|
Term
What lobe is imp for auditory info |
|
Definition
|
|
Term
What lobe is imp for personality |
|
Definition
|
|
Term
Compared to adults, how many neurons do newborns and fetuses have? |
|
Definition
|
|
Term
What causes phantom limb sensation? |
|
Definition
reorganization of cortical map |
|
|
Term
When is it easier to recover from brain damage? |
|
Definition
when you are younger, but you CAN throughout life |
|
|
Term
What are symptoms of FAS? |
|
Definition
decreased alertness, mental retardation, hyperactivity, heart defects, and abnormal facial features |
|
|
Term
A stroke (CVA) in which an artery ruptures is aka what? |
|
Definition
|
|
Term
|
Definition
the process of converting physical energy into neural energy |
|
|
Term
What are the two types of receptors in the retina |
|
Definition
ROD CELLS: mainly for night vision CONE CELLS: detects colors |
|
|
Term
What photoreceptors are important for color and which for seeing in dim light |
|
Definition
|
|
Term
Small receptive fields are carried along __________ pathways, and large are carried along what? |
|
Definition
parvocellular and magnocellular |
|
|
Term
What are the three types of cells in the PVC? |
|
Definition
simple, complex, and hypercomplex |
|
|
Term
What are papillae and what are found IN them? |
|
Definition
bumps on tongue, taste buds |
|
|
Term
What is the corpus callosum and of what is it composed? |
|
Definition
axons, connects hemispheres |
|
|
Term
Where is language specialized in most humans? |
|
Definition
|
|
Term
For a split brain patient to name something, it must appear where? |
|
Definition
in the right visual field |
|
|
Term
Where is Broca’s area located, and what happens if it is damaged? |
|
Definition
left frontal, and speaking |
|
|
Term
Where is Wernicke’s area and what happens if it is damaged |
|
Definition
left temporal, and comprehension |
|
|
Term
How do MAOIs work and what is a drawback to using them? |
|
Definition
blocks breakdown of CATS, cheese effect |
|
|
Term
|
Definition
|
|
Term
How are 2nd generation (atypical) antidepressants different from tricyclics |
|
Definition
block reuptake of 5HT only, not rest of CATs |
|
|
Term
What is fluoxetine and why is it popular? |
|
Definition
prozac, fewer side effects |
|
|
Term
|
Definition
fluctuation between mania and depression |
|
|
Term
What are negative symptoms of schizophrenia |
|
Definition
lack of … emotions, interaction, speech |
|
|
Term
What are positive symptoms of schiz, and their definitions |
|
Definition
hallucinations and delusions |
|
|
Term
What is used to treat mania (or manic part of bipolar) |
|
Definition
|
|
Term
What is used to treat pos. symptoms of schiz? |
|
Definition
thorazine(chlorpromazine), halperidol(haldol)] |
|
|
Term
What is used to treat mostly neg symptoms of schiz, but some pos as well, but exspensive |
|
Definition
risperidone, risperdal, chlozapine (Clozaril |
|
|