Gated channels - Study guides, Class notes & Summaries
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BIOS 252 COMP EXAM QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED
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When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the 
role of the _________? 
A. Weight 
B. Force 
C. Fulcrum 
D. Lever 
E. Resistance - Answer-C. Fulcrum. 
Which of the following event will occur when depolarizing graded potential's reach the membrane of 
the axon Hillock, causing its membrane potential to reach threshold? 
A. Ligand-gated Ca++ channels close rapidly 
B. Voltage-gated Ca++ channels open rapidly 
C. Ligand-gated Na+ channels close ...
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NSG 531 Advanced Pharmacology Exam 3 Questions With Correct Answers Latest Updated 2024/2025 Graded A+.
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NSG 531 Advanced Pharmacology Exam 3 Questions With Correct Answers Latest Updated 2024/2025 Graded A+. what is the difference between cardiac myocyte action potential and that of the CNS or 
ANS? - ANSWER nerve cell action potential is very short 
cardiac action potential is much longer 
they are longer to have adequate filling time in order to get a good contraction for a 
reasonable bolus of blood 
the only way this can happen is if the action potential is longer 
this will also mean that the...
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OCCTH 583 Midterm Exam (Answered;graded A+)
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Branchlike parts of a neuron that are specialized to receive information - Answer-Dendrites 
The part of the neuron that contains the nucleus, which processes and integrates information - AnswerCell Body / Soma 
A threadlike extension of a neuron that carries nerve impulses away from the cell body - Answer-Axon 
Nerve - Answer-A bundle of axons makes up a ___ 
Branches of the axon that allow one neuron to pass the signal to multiple effectors - Answer-Axon 
Collaterals 
At the axon hillock - Ans...
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NSC EXAM #1 QUESTIONS & ANSWERS 2024/2025
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NSC EXAM #1 QUESTIONS & ANSWERS 2024/2025 
 
 
the big picture of synaptic transmission - ANSWERSthumbtack causes mechanically-gated Na+ channels to open, sending an action potential down the axon using voltage-gated Na+/K+ channels, causing voltage-gated Ca2+ channels to open and activate snare proteins that bind synaptic vesicles to the membrane and causes release of NT 
 
importance of synapses - ANSWERSrich diversity allows for complex behavior; place where most psychoactive drugs act; defec...
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PNB 2264 Exam 2 Practice Questions With 100% Correct Answers.
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__________ is made of multiple globular molecules polymerized to form long chains or filaments. 
Myosin 
Titin 
Actin 
Troponin 
Tropomyosin - Actin 
______________, found on the motor end plate, produce the end plate potential in the presence of 
Acetylcholine. 
Ligand gated cation channels 
Voltage gated sodium channels 
Voltage gated calcium channels 
Ligand gated chloride channels - Ligand gated cation channels 
A closer look at the muscle fiber subtypes in skeletal muscles responsible for s...
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BIOS 252 COMP EXAM QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED
- Exam (elaborations) • 14 pages • 2024
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When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the 
role of the _________? 
A. Weight 
B. Force 
C. Fulcrum 
D. Lever 
E. Resistance - Answer-C. Fulcrum. 
Which of the following event will occur when depolarizing graded potential's reach the membrane of 
the axon Hillock, causing its membrane potential to reach threshold? 
A. Ligand-gated Ca++ channels close rapidly 
B. Voltage-gated Ca++ channels open rapidly 
C. Ligand-gated Na+ channels close ...
-
NURS 5315 Advanced Patho Exam 1 Questions and Answers 100% Verified
- Exam (elaborations) • 20 pages • 2024
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NURS 5315 Advanced Patho Exam 1 Questions and Answers 100% VerifiedNURS 5315 Advanced Patho Exam 1 Questions and Answers 100% VerifiedNURS 5315 Advanced Patho Exam 1 Questions and Answers 100% VerifiedNURS 5315 Advanced Patho Exam 1 Questions and Answers 100% Verified 
Steps of the Action Potential - ANSWER-Depolarization 
Repolarization 
Hyperpolarization 
 
Depolarization - ANSWER-movement of the intracellular charge towards zero (more positive charge) 
 
Voltage gated Na channels open and all...
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NROB60 FINAL NOTES Exam Questions With 100% Verified Answers
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NROB60 FINAL NOTES Exam Questions 
With 100% Verified Answers 
Properties of the action potential - answerrising phase 
overshoot 
falling phase 
undershoot 
What happens when the current reaches threshold? - answergenerate APs at a low rate 
What happens when current increase? - answerrate of AP generation increases 
increases the frequency of AP (all or none situation) 
What does the firing frequency of APs reflect? - answerthe magnitude of the DEPOLARIZING 
current 
(since hyperpolarizing wou...
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Mam Phys Final Exam 1 Questions & Answers 2024/2025
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Mam Phys Final Exam 1 Questions & Answers 2024/2025 
 
 
1. All of the following are true statements about the action potential EXCEPT: 
a) Opening of the voltage-gated Na-channels will move the membrane potential to the equilibrium potential of Na. 
b) Opening of voltage-gated K-channels will move the membrane potential to the equilibrium potential of K. 
c) The Hodgkin cycle causes the fast change in membrane potential during the rising phase of the action potential. 
d) The falling phase of ...
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NSG 531 Advanced Pharmacology: Exam Questions With Correct Answers Latest Updated 2024/2025 Graded A+.
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NSG 531 Advanced Pharmacology: Exam Questions With Correct Answers Latest Updated 2024/2025 Graded A+. what is the difference between cardiac myocyte action potential and that of the CNS or 
ANS? - ANSWER nerve cell action potential is very short 
cardiac action potential is much longer 
they are longer to have adequate filling time in order to get a good contraction for a 
reasonable bolus of blood 
the only way this can happen is if the action potential is longer 
this will also mean that the ...
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