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COGS 107A Neuroanatomy and Physiology COGS 107A Final Exam Practice Test Review Questions and Answers | 100% Pass Guaranteed | Graded A+ |$14.99
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University of California
San Diego (UCSD)
COGS 107A Neuroanatomy and Physiology
COGS 107A Midterm and Final Exam
Course Title and Number: COGS 107A Neuroanatomy and
Physiology Exam
Exam Title: COGS 107A Midterm and Final Exam Exam
Exam Date: Exam 2024- 2025
Instructor: [Insert Instructor’s Name]
Student Name: [Insert Student’s Name]
Student ID: [Insert Student ID]
Examination
180 minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
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COGS 107A Neuroanatomy and
Physiology 2024-2025
COGS 107A Final Exam Practice Test Review Questions
and Answers | 100% Pass Guaranteed | Graded A+ |
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
histology - Answer>> the mciroscopic study of the
structure of tissues
nissl stain shows - Answer>> layer like information
what does a nissl stain help us determine? -
Answer>> determine some features of a neurons
- not useful for labeling axons and dendrites
- helpful to distinguish cell bodies of different neurons
Golgi stain - Answer>> - early kind of stain
- labels a subset of neurons black
- silver chromate staining
- helps distinguish from other neurons
what features can you detect with a nissl stain? -
Answer>> cell bodies
what features of a neuron can you detect with a golgi
stain? - Answer>> helps distinguish neurons from
each other
the reticular theory - Answer>> - the elements of the
nervous system form a continuum
- all parts of the nervous system are connected in one
continuous mass
shared intercellular space
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- postulated by Joseph von
Gerlach
- popularized by Camillo Golgi
Neuron Doctrine - Answer>> dendrites and the axons
end freely in the nervous system and that they
communicate by contact (they are contiguous and not
continuous)
- formulated by Santiago Ramon y Cajal
- looked like they had spaces between them
- next to each other they were able to pass information
but were not fused together
gap junctions - Answer>> directly connect the
cytoplasm of two cells, enabling ions and electrical
impulses to pass through
- resembles the reticular theory but it is not always the
case
Law of Dynamic Polarization - Answer>> stated that
the propagation of nerve impulses is unidirectional,
toward the cell body in dendrites and away from it in
acons
What was later proven that counters the Dynamic law
of polarization? - Answer>> Charles Sherrington later
showed that axons can conduct impulses both away
and towards the cell body using physiological methods
Which way do electrical impulses flow? - Answer>>
not entirely true, kind of a combination of unilateral and
bidirectional
refute or defend theories that the propagation of
electrical impulses is unidirectional and that neurons
communicate by contact - Answer>> neuron doctrine
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