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COGS 107A Neuroanatomy and Physiology COGS 107A Midterm 2 Exam Review Questions with Correct Answers | 100% Pass Guaranteed | Graded A+ |
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COGS 107A Neuroanatomy and Physiology COGS 107A Midterm 2 Exam Review Questions with Correct Answers | 100% Pass Guaranteed | Graded A+ |

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  • 9 de noviembre de 2024
  • 29
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  • cogs 107a neuroanatomy and physiology c
  • cogs 107a neuroanatomy and physiology
  • cogs 107a midterm 2 exam review

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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.
4. Ensure all answers are final before submitting the exam.
5. Please answer each question below and click Submit when you have completed
the Exam.
6. This test has a time limit, The test will save and submit automatically when the
time expires
7. This is Exam which will assess your knowledge on the course Learning
Resources.


Good Luck!

, For Inquiries about This or Any Other Exam HMU
📧

COGS 107A Neuroanatomy and
Physiology 2024-2025
COGS 107A Midterm 2 Exam Review Questions with
Correct Answers | 100% Pass Guaranteed | Graded A+ |
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -

What did Hodgkin and Huxley contribute to the
understanding of cellular communication? - Answer>>
They discovered that axons are electrically negative at
rest and that electrical signals are carried by ion
currents (axons have a charge, changes in voltage are
the signals)

Hodgkin and Huxley - Answer>> • Hodgkin and
Huxley discover negative resting potential in a giant
squid axon
• Establish ionic basis for neuronal communication
• Signals through neuron are transmitted via ionic
currents
• Develop basic understanding of action potentials,
graded potentials

Physical properties of cell membrane - Answer>> •
Phospholipid bilayer:
• Hydrophilic head
• Hydrophobic fatty acid tails
• Capacitance:
• ability to separate and store
charge
• Resistance:
• Impermeable to ions
• Ion channels give a path for ions
to pass- establishes Rm

see #3
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, For Inquiries about This or Any Other Exam HMU
📧

How would you define the
equilibrium potential of neurons in mammals? -
Answer>> a. Vm=Vin-Vout (the voltage difference
between the inside and outside of the cell)(Vm due to
different concentrations of ions inside and outside the
cell)

b. Equilibrium occurs at some Vm where 2 forces are
balanced. In the case of neurons, ions face osmotic
pressure (ions move down their concentration gradient)
and electrostatic pressure

c. Resting Equilibrium/Membrane: (-65 to -70 mV in
mammals)

1. Pyramidal cells: -75 mV
2. Thalamic: -65 mV
3. Photoreceptors: -40 mV

Describe the categories of neurotransmitters, their
characteristics and roles. - Answer>> a. Amino Acid
(data transmission)(fast action, short duration,
ionotropic(mainly))
1. glutamate
- excitatory
2. Aspartate
3. GABA
- inhibitory
4. Glycine
- Obligatory co-agonist
- Inhibitory at its "own" receptor

b. Biogenic Amines (neuromodulation)(slow action, long
duration, metabotropic(mainly)
1. ACh

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