Podcast
Questions and Answers
What is the function of neurons in the nervous system?
What is the function of neurons in the nervous system?
- Produce neurotransmitters
- Receive and transmit nerve impulses (correct)
- Control the diameter of axons
- Regulate neurotransmitter release
Which of the following ions is more abundant inside the axon during resting potential?
Which of the following ions is more abundant inside the axon during resting potential?
- Ca2+
- Cl-
- K+ (correct)
- Na+
In a myelinated axon, where are action potentials only produced?
In a myelinated axon, where are action potentials only produced?
- At the nodes of Ranvier (correct)
- At the dendrites
- At the myelin sheath
- At the axon terminals
Which of the following neurotransmitters is associated with feelings of reward and pleasure?
Which of the following neurotransmitters is associated with feelings of reward and pleasure?
What type of channels cause changes in membrane permeability in response to neurotransmitters?
What type of channels cause changes in membrane permeability in response to neurotransmitters?
What is the central coordinating unit of the nervous system that includes the brain and spinal cord?
What is the central coordinating unit of the nervous system that includes the brain and spinal cord?
Which lobe of the cerebrum is responsible for the primary auditory functions?
Which lobe of the cerebrum is responsible for the primary auditory functions?
Which part of the brain plays a key role in homeostasis by controlling hunger, sleep, thirst, and body temperature?
Which part of the brain plays a key role in homeostasis by controlling hunger, sleep, thirst, and body temperature?
What is the function of the limbic system in the brain?
What is the function of the limbic system in the brain?
Which part of the brain integrates eye, ear, joint, and muscle information?
Which part of the brain integrates eye, ear, joint, and muscle information?
What is the function of the Reticular Activating System (RAS) in the brain?
What is the function of the Reticular Activating System (RAS) in the brain?
Which division of the Peripheral Nervous System controls involuntary responses like reflexes?
Which division of the Peripheral Nervous System controls involuntary responses like reflexes?
What is the main function of neuroglia in the nervous system?
What is the main function of neuroglia in the nervous system?
During the action potential of a neuron, what happens when potassium gates open?
During the action potential of a neuron, what happens when potassium gates open?
Which type of synapse involves a direct connection between two cells through gap junctions?
Which type of synapse involves a direct connection between two cells through gap junctions?
What is the primary factor that affects the velocity of nerve impulse transmission in neurons?
What is the primary factor that affects the velocity of nerve impulse transmission in neurons?
What is synaptic integration in neurons?
What is synaptic integration in neurons?
Which division of the nervous system includes nerves and ganglia?
Which division of the nervous system includes nerves and ganglia?
