Depolarisation Study guides, Class notes & Summaries
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BHCS1002 Exam Paper - Jan 2018 Questions and Answers All Correct
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BHCS1002 Exam Paper - Jan 2018 Questions and Answers All Correct 
The membrane potential of any living cell is partially the result of: - ANSWER A membrane that is leaky to potassium conductance 
 
During the depolarisation phase of an action potential: - ANSWER the membrane conductance to sodium > potassium 
 
At the mammalian synaptic cleft, the synaptic delay is typically: - ANSWER measurable and usually < 1ms 
 
Which of the following combinations of neurotransmitter...
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HUBS 191 Nervous System Exam Questions and Answers |100% Verified and Updated 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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Edexcel a level biology paper 3 mark scheme june 2023 salters nuffield
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Mark Scheme (Results) 
Summer 2023 
Pearson Edexcel GCE 
In Biology A Salters Nuffield (9BN0) 
Paper 03: General and Practical Applications in 
BiologyEdexcel and BTEC Qualifications 
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a 
wide range of qualifications including academic, vocational, occupational and specific programmes for 
employers. For further information visit our qualifications websites at or 
. Alternatively, you can get in ...
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Edexcel a level biology question paper 3 june 2023 salters Nuffield + mark scheme
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Pearson Edexcel GCE 
In Biology A Salters Nuffield (9BN0) 
Paper 03: General and Practical Applications in 
BiologyEdexcel and BTEC Qualifications 
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a 
wide range of qualifications including academic, vocational, occupational and specific programmes for 
employers. For further information visit our qualifications websites at or 
. Alternatively, you can get in touch with us using the details on o...
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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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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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electrocardiography test questions and answers
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what is electrocardiography 
(ECG) is a diagnostic tool used to record the rhythm, rate and electrical activity of the 
heart 
examples of use 
anesthesia 
emergency 
heart disease 
syncope 
cardiac arrhythmia and murmur 
what are the waves known as in ECG 
P, Q R S T 
what is the P wave 
Arises when the impulse from the SA node sweeps over the atria causing depolarisation 
What is the QRS complex? 
ventricular depolarisation 
what is the T wave 
ventricular repolar
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LTP induction Exam Questions with Correct Answers
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LTP induction Exam Questions with Correct Answers 
What is LTP? - Answer-Long term potentiation (LTP) is a key form of synaptic plasticity that involves a sustained increase in the strength of synapses and is thought to play a fundamental role in the way we learn and store memories 
 
What are the key properties of LTP? - Answer-1. Input specificity 
2. Co-operativity 
3. Associativity 
 
What is input specificity? - Answer-Once induced, LTP at one synapse does not spread to other synapses; ra...
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BHCS1002 2018/2019 Exam Questions with Complete Solutions
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BHCS1002 2018/2019 Exam Questions with Complete Solutions 
what does the PR segment represent on the ECG? - ANSWER ventricular systole 
 
The membrane potential of any living cell is partially the result of: 
a) a transient increase in the membrane to sodium conductance 
b) a membrane that is leaky to sodium conductance 
c) a transient increase in the membrane to potassium conductance 
d) a membrane that is leaky to potassium conductance 
e) a membrane that is leaky to chloride conducta...
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RMP questions with 100% correct answers rated A+ 2023
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-RMPMost neurons have same basic structure - correct answer A cell body with a number of dendrites and one long axon with its terminals. 
 
What is the defining characteristic of neurons? - correct answer Have the property of electrical excitability • Ability to produce action potentials or impulses in response to stimuli • Have the property of electrical conductivity • Ability to propagate action potentials or impulses 
 
What is the function of different parts of neuron? - correct answer...
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