Depolarisation Study guides, Class notes & Summaries
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HUBS 191 Progress Test 1 Questions and Correct Answers.214 Questions and Answers. Complete Solution Updated 2024/2025.
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HUBS 191 Progress Test 1 Questions and Correct Answers.214 Questions and Answers. Complete Solution Updated 2024/2025. 
 
What makes up the axial skeleton? 
skull, vertebral column, rib cage 
What is recruitment? 
activating more motor units to make more force 
What are flat bones? 
Thin plates of compact bone - some cancellous 
What are flat bones used for? 
protection and muscle attachment 
What are irregular bones? 
Variable in shape size and function 
What is depolarisation? 
Membrane potent...
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HUBS 191 Progress Test 1 Questions and Answers Already Passed
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HUBS 191 Progress Test 1 Questions 
and Answers Already Passed 
 
What makes up the axial skeleton? skull, vertebral column, rib cage 
 
What is recruitment? activating more motor units to make more force 
 
What are flat bones? Thin plates of compact bone - some cancellous 
 
What are flat bones used for? protection and muscle attachment 
 
What are irregular bones? Variable in shape size and function 
 
What is depolarisation? Membrane potential becomes less negative 
 
what causes depolarisat...
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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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ECG 2023 Exam Questions with Correct Answers
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ECG 2023 Exam Questions with Correct Answers 
 
What is sinus rhythm? - Answer-Normal heart rhythm, with the electrical activation beginning in the SA node 
 
Which part of the ECG corresponds to the contraction of the atria? - Answer-P wave 
 
Which part of the ECG corresponds to the depolarisation of the ventricles? - Answer-The QRS complex 
 
On the ECG what does the T wave correspond to? - Answer-Re-polarisation of the ventricles 
 
On an ECG what is a U wave? - Answer-An extra wave seen on...
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Edexcel A Level Biology Paper 3 Mark scheme June 2022: (9BI0) Paper 3: General and Practical Principles in Biology
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Edexcel A Level Biology Paper 3 Mark scheme June 2022: (9BI0) Paper 3: General and Practical Principles in Biology. A description including four of the following 
• {sodium / Na} channels open (1) 
• sodium ions flow into {axon / cell / neurone} (1) 
• this causes depolarisation (1) 
• {sodium / Na} channels close at {0.8ms / 30mV} (1) 
• {potassium / K} channels open at {0.8ms / 30mV} (1) 
(4) 
Question 
Number Answer Additional Guidance Mark 
1(b) An answer that includes the followin...
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ECG 2023 Exam Questions with Correct Answers
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ECG 2023 Exam Questions with Correct Answers 
What is sinus rhythm? - Answer-Normal heart rhythm, with the electrical activation beginning in the SA node 
 
Which part of the ECG corresponds to the contraction of the atria? - Answer-P wave 
 
Which part of the ECG corresponds to the depolarisation of the ventricles? - Answer- The QRS complex 
 
On the ECG what does the T wave correspond to? - Answer-Re-polarisation of the ventricles 
 
On an ECG what is a U wave? - Answer-An extra wave seen on t...
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Edexcel a level biology paper 3 mark scheme june 2023 salters nuffield
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Question 
number 
Answer Additional guidance Mark 
1(a) An explanation that makes reference to two of the 
following: 
• to pump blood around blood vessels (1) 
• enabling mass transport (1) 
• therefore overcoming the limitations of diffusion (1) 
IGNORE to move blood 
IGNORE to move blood around the body 
ALLOW a description e.g. ‘needed to carry 
oxygen to where it is used’ 
e.g. ‘organism is too large for 
{substances/gases/glucose} to diffuse 
directly to organs’ / distance fo...
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HUBS 1406 Cardiovascular Practice Quiz with Complete Solutions
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HUBS 1406 Cardiovascular Practice Quiz with Complete Solutions 
 
HUBS 1406 Cardiovascular Practice Quiz with Complete Solutions 
 
HUBS 1406 Cardiovascular Practice Quiz with Complete Solutions 
 
The electrical activation (depolarisation) of the ventricles is represented on an electrocardiogram by the: - ANSWER-QRS complex 
 
The left atrioventricular valve is closed: - ANSWER-by the contraction of the left ventricle 
 
Which of the following is true about veins? - ANSWER-They are known as cap...
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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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