Repolarisation Study guides, Class notes & Summaries
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HUBS 191 Progress Test II Latest Version Graded A
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HUBS 191 Progress Test II Latest 
 
Version Graded A 
 
Nervous system cells neurons and glia 
 
Neuron input zone dendrites and cell body 
 
Neuron summation zone axon hillock 
 
Neuron conduction zone axon 
 
Neuron output zone axon terminals 
 
Axon hillock decides whether to pass on information 
 
Tract axon bundles in CNS 
 
Grey matter cell bodies in CNS 
 
White matter myelinated axons in CNS; commissural, projection, and association tracts 
 
Ganglion groups of cell bodies in PNS 
 
Nerv...
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HUBS 191 Nervous System Latest Update 100% Solved
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HUBS 191 Nervous System Latest 
 
Update 100% Solved 
 
Resting membrane potential -70mV 
 
Open Voltage gated ion channels are ? at -60mV 
 
Inactive Voltage gated ion channels are ? at+30mV 
 
Na+ Extracellular fluid as a high ? concentration and is therefore positive in comparison to 
the ICF 
 
K+ Intercellular fluid has a high ? concentration and is therefore slightly negative in 
comparison to the ECF 
 
Depolarisation The change from a negative resting potential to a positive action poten...
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HUBS 191 Nervous System 123 Questions with 100% Correct Answers | Updated | Guaranteed A+
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Resting membrane potential - ️️-70mV 
 
Open - ️️Voltage gated ion channels are ? at -60mV 
 
Inactive - ️️Voltage gated ion channels are ? at+30mV 
 
Na+ - ️️Extracellular fluid as a high ? concentration and is therefore positive in comparison to the ICF 
 
K+ - ️️Intercellular fluid has a high ? concentration and is therefore slightly negative in comparison to the ECF 
 
Depolarisation - ️️The change from a negative resting potential to a positive action potential (caus...
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NEUR531 EXAM WITH CORRECT ANSWERS
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The term (i) denotes: - correct answer ionic current 
 
The term (g) denotes: - correct answer conductance 
 
During the resting phase, the membrane is only permeable to ___ , and this ion is most concentrated ___ the cell. - correct answer K+ 
Inside 
 
How is the resting potential maintained? - correct answer Na+ / K+ pump 
 
What are three successive occurrences during the depolarisation phase? - correct answer 1. Na+ channels open, causing an influx of Na+ 
2. Vm shifts towards ENa 
3. As Ek...
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HUBS1416 Practice Exam Questions and Answers
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HUBS1416 Practice Exam Questions and Answers 
Which of the following would be expected to inhibit the generation of an action 
potential? 
a) Inflammation of the myelin sheath 
b) Stimulating GABA receptors 
c) Blocking acetylcholine receptors 
d) Activating adrenalin receptors -Answer-b) Stimulating GABA receptors 
Which is true about neurons? 
a) At rest a neuron will have a negative membrane potential, due to it having more open 
K+ channels than Na+ channels 
b) Inhibitory neurons will relea...
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HUBS 191 Nervous System Exam Questions and Answers |100% Verified and Updated 2024
- Exam (elaborations) • 12 pages • 2024
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HUBS 191 Nervous System Exam Questions and 
Answers |100% Verified and Updated 2024 
Resting membrane potential -Answer--70mV 
Open -Answer-Voltage gated ion channels are ? at -60mV 
Inactive -Answer-Voltage gated ion channels are ? at+30mV 
Na+ -Answer-Extracellular fluid as a high ? concentration and is therefore positive in 
comparison to the ICF 
K+ -Answer-Intercellular fluid has a high ? concentration and is therefore slightly 
negative in comparison to the ECF 
Depolarisation -Answer-The ...
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AQA A Level Topic 6 Organisms and response
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AQA A Level Topic 6 Organisms and response 
Stimulus A change in an organism's surroundings that causes the organism to react 
Receptor Detect stimulus. Specific to one type of stimulus. 
Effector 
an organ or cell that acts in response to a stimulus. 
Stimulus response pathway Stimulus - receptor - coordinator - effector - response 
taxis 
Movement toward or away from a stimulus. Direction of response determined by direction of 
the stimulus. 
positive taxis 
negative taxis 
Photota...
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BTEC Applied Science Unit 1 Biology Exam 118 Questions with Answers,100% CORRECT
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BTEC Applied Science Unit 1 Biology Exam 118 Questions with Answers 
 
Describe the function of the nucleolus - CORRECT ANSWER Produces ribosomes and RNA 
 
Describe the function of the cell wall - CORRECT ANSWER Provides rigidity and protection to the cell 
 
Describe the function of the chloroplasts - CORRECT ANSWER Site of photosynthesis as they contain chlorophyll 
 
Describe the function of the plasmodesmata - CORRECT ANSWER A channel through the cell wall the allows transport of materials ...
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HUBS1416 Practice Exam Questions and Answers
- Exam (elaborations) • 27 pages • 2024
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HUBS1416 Practice Exam Questions and Answers 
Which of the following would be expected to inhibit the generation of an action 
potential? 
a) Inflammation of the myelin sheath 
b) Stimulating GABA receptors 
c) Blocking acetylcholine receptors 
d) Activating adrenalin receptors -Answer-b) Stimulating GABA receptors 
Which is true about neurons? 
a) At rest a neuron will have a negative membrane potential, due to it having more open 
K+ channels than Na+ channels 
b) Inhibitory neurons will relea...
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HUBS 191 Nervous System Exam Questions and Answers |100% Verified and Updated 2024
- Exam (elaborations) • 12 pages • 2024
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HUBS 191 Nervous System Exam Questions and 
Answers |100% Verified and Updated 2024 
Resting membrane potential -Answer--70mV 
Open -Answer-Voltage gated ion channels are ? at -60mV 
Inactive -Answer-Voltage gated ion channels are ? at+30mV 
Na+ -Answer-Extracellular fluid as a high ? concentration and is therefore positive in 
comparison to the ICF 
K+ -Answer-Intercellular fluid has a high ? concentration and is therefore slightly 
negative in comparison to the ECF 
Depolarisation -Answer-The ...
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