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Essentials of CBN Exam 1 Questions Study
Guide.
3 general functions of the nervous system - answer✔1. sensory systems
2. motor systems
3. associational systems
sensory systems - answer✔information about the state of an organism and its environment
motor systems - answer✔organize and generate actions
associational systems - answer✔-link sensory and motor components
-provide basis for "higher order" brain functions
The higher order brain functions include - answer✔perception, attention, cognition, emotions,
language and rational thinking
Reticular Theory - answer✔Camillo Golgi: each nerve cell is connected to the next by
protoplasmic links (continuous nerve network)
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12/3/2024 11:27AM
Neuron Doctrine - answer✔Santiago Ramon y Cajal and Charles Sherrington: nerve cells are
discrete entities that communicate with each other by means of specialized contacts
Gene expression - answer✔The process by which information encoded in DNA directs the
synthesis of proteins
transcription - answer✔DNA into mRNA
translation - answer✔mRNA into proteins
ribosomes - answer✔protein synthesis
mitochondria - answer✔ATP production
nucleus - answer✔DNA storage, location of transcription
Golgi apparatus - answer✔modifies, sorts, and packages proteins
cells of the nervous system - answer✔1. neurons
2. glial cells
Parts of neurons - answer✔1. axon
2. dendrites
3. cell body