9 MCQs (Only one correct answer)
Each MCQ: 1 mark, Total mark: 9
Allowed time: 10 min
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Influx of Na
Out flux of K
Out flux of Cl
Impermeability of the membrane to protein
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Delayed Na channel closure
Massive inward movement of Cl ions
Delayed voltage K channels closure
Na-K pump activation
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Single nerve fiber
Single nerve fiber of mixed nerve
Whole skeletal muscle
Cardiac muscle
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Leak channels
Ligand gated channels
Voltage gated channels
None of the above
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The largest the diameter the fastest velocity conduction
Myleinated (medullated) nerves are faster than non myleinated
The larger the diameter the longer the duration of the spike
- the larger the diameter the bigger the magnitude of action potential
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K out flux is the major change
Na out flux is the major change
The potential difference between outer and inner surface is Zero
Na-K pump is acting with full capacity
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Stage of rapid depolarization
After depolarization
After hyperpolarization
All after potential stages
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Outer membrane is more negative than inner membrane.
Action potenial is – 50 mv
Potential magnitude is + 35 mv
None of the above
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Dr Gawad Physiology Course Online Exam - Excitable - Lec 2 (Action Potential, Compound Action Potential, All Or None Rul
9 MCQs (Only one correct answer)
Each MCQ: 1 mark, Total mark: 9
Allowed time: 10 min
Good Luck
Questions:
9 |
Attempts:
349 |
Last updated:
Mar 19, 2023
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Last updated:
Mar 22, 2023
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Dr Gawad Physiology Course Online Exam - Excitable - Lec 2 (Action Potential, Compound Action Potential, All Or None Rul
9 MCQs (Only one correct answer)
Each MCQ: 1 mark, Total mark: 9
Allowed time: 10 min
Good Luck
Questions:
9 |
Attempts:
349 |
Last updated:
Mar 19, 2023
|
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10 MCQs (Only one correct answer)
Each MCQ: 1 mark, Total mark: 10 (you will get the results immediately with correction by the web)
Allowed time: 10 min
Good...
Questions:
10 |
Attempts:
690 |
Last updated:
Mar 22, 2023
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