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Questions and Answers
Which of the following is the key difference between electrical and chemical synapses in terms of transmission speed?
Which of the following is the key difference between electrical and chemical synapses in terms of transmission speed?
- Electrical synapses have a faster transmission speed compared to chemical synapses. (correct)
- Chemical synapses have a faster transmission speed compared to electrical synapses.
- Electrical and chemical synapses have the same transmission speed.
- Transmission speed is not a distinguishing factor between electrical and chemical synapses.
What is the distance between the pre-synaptic and post-synaptic neurons in a chemical synapse?
What is the distance between the pre-synaptic and post-synaptic neurons in a chemical synapse?
- 3.5 nanometers
- 50-100 nanometers
- 30-50 nanometers (correct)
- The distance is not specified in the text.
Which of the following is a key functional property shared by both electrical and chemical synapses?
Which of the following is a key functional property shared by both electrical and chemical synapses?
- Neither irritability/excitability nor conductivity
- Irritability/Excitability
- Both irritability/excitability and conductivity (correct)
- Conductivity
Which type of neuron has a single axon that quickly divides into proximal and distal branches?
Which type of neuron has a single axon that quickly divides into proximal and distal branches?
Which type of neuron conveys information from the central nervous system to muscles and glands?
Which type of neuron conveys information from the central nervous system to muscles and glands?
What is the primary function of the nervous system?
What is the primary function of the nervous system?
Which of the following is NOT a key component of the neuron structure?
Which of the following is NOT a key component of the neuron structure?
What is the role of the $myelin\ sheath$ and $neurilemma$ in a neuron?
What is the role of the $myelin\ sheath$ and $neurilemma$ in a neuron?
Which component of the nervous system is responsible for 'processing and interpreting the sensory input and making decisions about what should be done'?
Which component of the nervous system is responsible for 'processing and interpreting the sensory input and making decisions about what should be done'?
What is the primary function of the cerebrospinal fluid (CSF)?
What is the primary function of the cerebrospinal fluid (CSF)?
Which part of the vertebral column is responsible for protecting the spinal cord in the lower back region?
Which part of the vertebral column is responsible for protecting the spinal cord in the lower back region?
What is the primary function of the spinal cord in relation to reflexes?
What is the primary function of the spinal cord in relation to reflexes?
Which of the following statements accurately describes the role of the central nervous system?
Which of the following statements accurately describes the role of the central nervous system?
What is the primary role of the spinal cord in transmitting signals between the brain and the body?
What is the primary role of the spinal cord in transmitting signals between the brain and the body?
What is the primary function of the dura mater in the spinal cord?
What is the primary function of the dura mater in the spinal cord?
Which part of the brain integrates sensory impulses and information to form perceptions, thoughts, and memories?
Which part of the brain integrates sensory impulses and information to form perceptions, thoughts, and memories?
What is the main function of the arachnoid mater in relation to the spinal cord?
What is the main function of the arachnoid mater in relation to the spinal cord?
Which part of the brain is responsible for muscle control, sensory perception, memory, emotions, and speech?
Which part of the brain is responsible for muscle control, sensory perception, memory, emotions, and speech?
What is the main function of the pia mater in relation to the spinal cord?
What is the main function of the pia mater in relation to the spinal cord?
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