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EKB-Lecture 5
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Question 1 of 14
1. Question
• What is the role of synaptic vesicles in the presynaptic neuron?CorrectIncorrect -
Question 2 of 14
2. Question
•What happens to the acetylcholine in the synaptic cleft once an action potential has been triggered in the postsynaptic neuron?CorrectIncorrect -
Question 3 of 14
3. Question
• Complete the following sentence: An action potential arrives at the synaptic knob of the presynaptic neuron, which stimulates calcium ion channels toCorrectIncorrect -
Question 4 of 14
4. Question
•The nerve agent sarin prevents acetylcholine in the synaptic cleft from being broken down after an action potential has been generated. What effect could this have?CorrectIncorrect -
Question 5 of 14
5. Question
•The diagram provided shows a simple outline of a cholinergic synapse. What part of the synapse is indicated by the question mark?CorrectIncorrect -
Question 6 of 14
6. Question
•What is acetylcholine an example of?CorrectIncorrect -
Question 7 of 14
7. Question
• Which of the following is a defining feature of synapses?CorrectIncorrect -
Question 8 of 14
8. Question
•Which two ion channels are involved in the transmission of information across a synapse?CorrectIncorrect -
Question 9 of 14
9. Question
•The endocrine system works together with the nervous system to maintain a stable internal environment for the body. Neuroglandular synapses are formed between a neuron and a gland cell. Which of the following is the type of nerve cell found in this type of synapse?CorrectIncorrect -
Question 10 of 14
10. Question
•Fill in the blank: The binding of acetylcholine to receptors on the postsynaptic membrane initiates the opening of ……….. ion channels.CorrectIncorrect -
Question 11 of 14
11. Question
•Fill in the blank: After diffusing across the synaptic cleft, acetylcholine binds to receptors on the …………..CorrectIncorrect -
Question 12 of 14
12. Question
•Neurotransmitters are released into the synaptic cleft due toCorrectIncorrect -
Question 13 of 14
13. Question
•Fill in the blank: The opening of sodium ion channels on the postsynaptic membrane causes an influx of sodium ions, which generates an …………CorrectIncorrect -
Question 14 of 14
14. Question
• Fill in the blank: Acetylcholine is released from vesicles and into the synaptic………….CorrectIncorrect