Podcast
Questions and Answers
What is the role of acetylcholinesterase at the neuromuscular junction?
What is the role of acetylcholinesterase at the neuromuscular junction?
- It triggers opening of specific channels in the motor end plate
- It prevents activation of AChE
- It causes explosive release of ACh
- It blocks the action of ACh at receptor sites (correct)
What is the consequence of black widow spider venom on the neuromuscular junction?
What is the consequence of black widow spider venom on the neuromuscular junction?
- Causes flaccid paralysis
- Activates acetylcholinesterase
- Explosive release of ACh (correct)
- Blocks release of ACh
What effect does botulism toxin have on the neuromuscular junction?
What effect does botulism toxin have on the neuromuscular junction?
- Causes flaccid paralysis
- Blocks release of ACh (correct)
- Triggers opening of specific channels in motor end plate
- Activates acetylcholinesterase
How does curare impact the function of acetylcholine at the neuromuscular junction?
How does curare impact the function of acetylcholine at the neuromuscular junction?
Which disease is characterized by the loss of ACh receptor sites at the end plate?
Which disease is characterized by the loss of ACh receptor sites at the end plate?
What is the cause of Amytrophic Lateral Sclerosis (ALS/Jou-Gehrig’s disease)?
What is the cause of Amytrophic Lateral Sclerosis (ALS/Jou-Gehrig’s disease)?
What is the function of organophosphates in relation to AChE?
What is the function of organophosphates in relation to AChE?
What happens when Ion movements depolarize the motor end plate at the neuromuscular junction?
What happens when Ion movements depolarize the motor end plate at the neuromuscular junction?
What effect does Myasthenia gravis have on muscle function?
What effect does Myasthenia gravis have on muscle function?
What is the outcome of exposure to organophosphates?
What is the outcome of exposure to organophosphates?
Which part of the autonomic nervous system is responsible for dominating in emergency or stressful situations?
Which part of the autonomic nervous system is responsible for dominating in emergency or stressful situations?
In the autonomic nervous system, what type of receptors do cholinergic nicotinic receptors bind to?
In the autonomic nervous system, what type of receptors do cholinergic nicotinic receptors bind to?
Which of the following is true about the parasympathetic system?
Which of the following is true about the parasympathetic system?
What is the primary neurotransmitter used by the postganglionic neuron in the sympathetic nervous system?
What is the primary neurotransmitter used by the postganglionic neuron in the sympathetic nervous system?
Which receptor is found exclusively in the sympathetic nervous system and binds to norepinephrine and epinephrine?
Which receptor is found exclusively in the sympathetic nervous system and binds to norepinephrine and epinephrine?
In which scenario would the Beta 2 receptor be involved?
In which scenario would the Beta 2 receptor be involved?
What is the function of a muscarinic receptor in the parasympathetic nervous system?
What is the function of a muscarinic receptor in the parasympathetic nervous system?
