Podcast
Questions and Answers
What are the function of the nervous system?
What are the function of the nervous system?
- Producing hormones
- Processing sensory input (integration)
- Both a and d (correct)
- collecting (gathering information)
What is the purpose of sensory input in the nervous system?
What is the purpose of sensory input in the nervous system?
- To monitor changes occurring inside and outside the body. Changes= stimuli. (correct)
- To produce hormones
- Both A and B
- change body temperature
What is the role of integration in the nervous system?
What is the role of integration in the nervous system?
- To digest food
- To control body temperature
- To process and interpret sensory input (correct)
- To produce hormones
Which of the following best describes motor output?
Which of the following best describes motor output?
What is the purpose of motor output?
What is the purpose of motor output?
What happens when motor output is triggered?
What happens when motor output is triggered?
What are the two main classifications of the nervous system?
What are the two main classifications of the nervous system?
Which organs are part of the central nervous system?
Which organs are part of the central nervous system?
What is the function of the central nervous system?
What is the function of the central nervous system?
Which part of the nervous system carries impulses to and from the spinal cord?
Which part of the nervous system carries impulses to and from the spinal cord?
What is the function of the peripheral nervous system (PNS)?
What is the function of the peripheral nervous system (PNS)?
Which part of the nervous system carries impulses to and from the brain?
Which part of the nervous system carries impulses to and from the brain?
Which division of the peripheral nervous system carries information from the skin, skeletal muscles, and joints?
Which division of the peripheral nervous system carries information from the skin, skeletal muscles, and joints?
Which division of the peripheral nervous system carries impulses away from the central nervous system organs?
Which division of the peripheral nervous system carries impulses away from the central nervous system organs?
Which type of nerve fibers carry information from visceral organs?
Which type of nerve fibers carry information from visceral organs?
Which division of the peripheral nervous system carries information from the skin, skeletal muscles, and joints?
Which division of the peripheral nervous system carries information from the skin, skeletal muscles, and joints?
What is the purpose of sensory input in the nervous system?
What is the purpose of sensory input in the nervous system?
Which type of nerve fibers carry information from visceral organs?
Which type of nerve fibers carry information from visceral organs?
Which division of the peripheral nervous system automatically controls smooth and cardiac muscles and glands?
Which division of the peripheral nervous system automatically controls smooth and cardiac muscles and glands?
Which division of the peripheral nervous system is consciously controlled and responsible for controlling skeletal muscles?
Which division of the peripheral nervous system is consciously controlled and responsible for controlling skeletal muscles?
Which division of the peripheral nervous system is further divided into sympathetic and parasympathetic nervous systems?
Which division of the peripheral nervous system is further divided into sympathetic and parasympathetic nervous systems?
Which of the following is NOT a function of support cells in the CNS?
Which of the following is NOT a function of support cells in the CNS?
Which cells in the CNS are responsible for support, insulation, and protection of neurons?
Which cells in the CNS are responsible for support, insulation, and protection of neurons?
What are the general functions of support cells in the CNS?
What are the general functions of support cells in the CNS?
Which type of cells are abundant in the CNS and provide support to neurons?
Which type of cells are abundant in the CNS and provide support to neurons?
Which type of cells form a barrier between capillaries and neurons in the central nervous system?
Which type of cells form a barrier between capillaries and neurons in the central nervous system?
What is the main function of support cells in the central nervous system?
What is the main function of support cells in the central nervous system?
What do star-shaped cells in the central nervous system do?
What do star-shaped cells in the central nervous system do?
Which type of cells in the central nervous system are responsible for disposing of debris?
Which type of cells in the central nervous system are responsible for disposing of debris?
What is the main function of microglia in the CNS?
What is the main function of microglia in the CNS?
Which glial cells in the CNS have a spiderlike appearance?
Which glial cells in the CNS have a spiderlike appearance?
Which type of cells line the cavities of the brain and spinal cord?
Which type of cells line the cavities of the brain and spinal cord?
What is a function of ependymal cells in the CNS?
What is a function of ependymal cells in the CNS?
Which type of glial cells are responsible for supporting and protecting neurons in the CNS?
Which type of glial cells are responsible for supporting and protecting neurons in the CNS?
Which type of cells in the central nervous system produce myelin sheaths?
Which type of cells in the central nervous system produce myelin sheaths?
What is the function of CNS glial cells known as oligodendrocytes?
What is the function of CNS glial cells known as oligodendrocytes?
Which type of cells form myelin sheath in the peripheral nervous system?
Which type of cells form myelin sheath in the peripheral nervous system?
What is the main function of satellite cells?
What is the main function of satellite cells?
What is the major function of neurons?
What is the major function of neurons?
What are the major regions of a neuron?
What are the major regions of a neuron?
Which part of the neuron is the nucleus and metabolic center of the cell?
Which part of the neuron is the nucleus and metabolic center of the cell?
What are the fibers that extend from the cell body of a neuron called?
What are the fibers that extend from the cell body of a neuron called?
What is the main function of neurons?
What is the main function of neurons?
Which organelle is responsible for protein synthesis in neurons?
Which organelle is responsible for protein synthesis in neurons?
What is the function of neurofibrils in neurons?
What is the function of neurofibrils in neurons?
Where is the nucleus located in a neuron?
Where is the nucleus located in a neuron?
Which part of the neuron conducts impulses toward the cell body?
Which part of the neuron conducts impulses toward the cell body?
How many axons do neurons have?
How many axons do neurons have?
What is the main function of axons in neurons?
What is the main function of axons in neurons?
Which part of the neuron conducts impulses away from the cell body?
Which part of the neuron conducts impulses away from the cell body?
From where does the axon of a neuron arise?
From where does the axon of a neuron arise?
How many axons do neurons have?
How many axons do neurons have?
Which part of the neuron contains vesicles with neurotransmitters?
Which part of the neuron contains vesicles with neurotransmitters?
What is the gap between adjacent neurons called?
What is the gap between adjacent neurons called?
What is the junction between nerves called?
What is the junction between nerves called?
Which part of the neuron is responsible for conducting impulses away from the cell body?
Which part of the neuron is responsible for conducting impulses away from the cell body?
What is the gap between adjacent neurons called?
What is the gap between adjacent neurons called?
Where does the synapse occur?
Where does the synapse occur?
Which part of the neuron is responsible for transmitting signals to the next neuron?
Which part of the neuron is responsible for transmitting signals to the next neuron?
What is the gap between adjacent neurons called?
What is the gap between adjacent neurons called?
What is the junction between nerves called?
What is the junction between nerves called?
Which cells produce myelin sheaths in the peripheral nervous system?
Which cells produce myelin sheaths in the peripheral nervous system?
What is the function of myelin sheaths in nerve impulse transmission?
What is the function of myelin sheaths in nerve impulse transmission?
What are the gaps in the myelin sheath along the axon called?
What are the gaps in the myelin sheath along the axon called?
Which cells produce myelin sheaths in the peripheral nervous system?
Which cells produce myelin sheaths in the peripheral nervous system?
What are the gaps in the myelin sheath along the axon called?
What are the gaps in the myelin sheath along the axon called?
Which process is responsible for speeding up nerve impulse transmission?
Which process is responsible for speeding up nerve impulse transmission?
What is the term for the process of speeding up nerve impulse transmission?
What is the term for the process of speeding up nerve impulse transmission?
What is the function of myelin sheaths in nerve impulse transmission?
What is the function of myelin sheaths in nerve impulse transmission?
Where are most neuron cell bodies found?
Where are most neuron cell bodies found?
What are nuclei in the central nervous system?
What are nuclei in the central nervous system?
Where are ganglia located?
Where are ganglia located?
Which type of neurons carry impulses from the sensory receptors to the central nervous system?
Which type of neurons carry impulses from the sensory receptors to the central nervous system?
What do cutaneous sense organs detect?
What do cutaneous sense organs detect?
What do proprioceptors detect?
What do proprioceptors detect?
Which part of the nervous system contains mostly unmyelinated fibers and cell bodies?
Which part of the nervous system contains mostly unmyelinated fibers and cell bodies?
What are bundles of nerve fibers in the peripheral nervous system called?
What are bundles of nerve fibers in the peripheral nervous system called?
What are collections of myelinated fibers in the central nervous system called?
What are collections of myelinated fibers in the central nervous system called?
Which type of neurons carry impulses from the central nervous system to viscera, muscles, or glands?
Which type of neurons carry impulses from the central nervous system to viscera, muscles, or glands?
Where are interneurons found in the nervous system?
Where are interneurons found in the nervous system?
What is the function of interneurons in the nervous system?
What is the function of interneurons in the nervous system?
Which type of neurons have many extensions from the cell body?
Which type of neurons have many extensions from the cell body?
Which neurons are the most common in terms of structure?
Which neurons are the most common in terms of structure?
What is the structural classification of neurons based on?
What is the structural classification of neurons based on?
Which type of neurons are rare in adults?
Which type of neurons are rare in adults?
Where are bipolar neurons primarily located?
Where are bipolar neurons primarily located?
What is the most common type of neurons in terms of structure?
What is the most common type of neurons in terms of structure?
Which type of neurons have a short single process leaving the cell body?
Which type of neurons have a short single process leaving the cell body?
Which direction do unipolar neurons conduct impulses?
Which direction do unipolar neurons conduct impulses?
Which type of receptors are responsible for sensing pain and temperature?
Which type of receptors are responsible for sensing pain and temperature?
Which type of receptors are responsible for sensing touch?
Which type of receptors are responsible for sensing touch?
Which type of receptors are responsible for sensing deep pressure?
Which type of receptors are responsible for sensing deep pressure?
Which property of neurons allows them to respond to a stimulus and convert it to a nerve impulse?
Which property of neurons allows them to respond to a stimulus and convert it to a nerve impulse?
What is the ability of neurons to transmit the impulse to other neurons, muscles, or glands called?
What is the ability of neurons to transmit the impulse to other neurons, muscles, or glands called?
What are the two functional properties of neurons?
What are the two functional properties of neurons?
Which ion is the major positive ion inside the cell?
Which ion is the major positive ion inside the cell?
What is the state of the plasma membrane in a resting neuron?
What is the state of the plasma membrane in a resting neuron?
What is the main positive ion outside the cell?
What is the main positive ion outside the cell?
Which ion is the major positive ion outside the cell?
Which ion is the major positive ion outside the cell?
What is the main positive ion inside the cell?
What is the main positive ion inside the cell?
What is the term for the resting state of a neuron, where the inside is more negative than the outside?
What is the term for the resting state of a neuron, where the inside is more negative than the outside?
Which statement best describes the resting state of a neuron?
Which statement best describes the resting state of a neuron?
What is the main factor that keeps a neuron at rest?
What is the main factor that keeps a neuron at rest?
Which ions are present in fewer numbers inside the cell compared to outside the cell?
Which ions are present in fewer numbers inside the cell compared to outside the cell?
Which ion flows inside the neuron's membrane when it is depolarized?
Which ion flows inside the neuron's membrane when it is depolarized?
What happens when a stimulus depolarizes a neuron's membrane?
What happens when a stimulus depolarizes a neuron's membrane?
What is the initial effect of sodium channels opening in a neuron's membrane?
What is the initial effect of sodium channels opening in a neuron's membrane?
Which type of potential exists where the inside of the membrane is more positive and the outside is less positive?
Which type of potential exists where the inside of the membrane is more positive and the outside is less positive?
What initiates an action potential in a neuron?
What initiates an action potential in a neuron?
What activates the neuron to conduct an action potential?
What activates the neuron to conduct an action potential?
Which type of potential exists where the inside of the neuron's membrane is more positive and the outside is less positive?
Which type of potential exists where the inside of the neuron's membrane is more positive and the outside is less positive?
What initiates an action potential in a neuron?
What initiates an action potential in a neuron?
What activates the neuron to conduct an action potential?
What activates the neuron to conduct an action potential?
Which of the following is true about the propagation of nerve impulses?
Which of the following is true about the propagation of nerve impulses?
What does the term 'all-or-none response' mean in relation to nerve impulses?
What does the term 'all-or-none response' mean in relation to nerve impulses?
Which type of fibers conduct nerve impulses more quickly?
Which type of fibers conduct nerve impulses more quickly?
Which of the following is true about the propagation of the action potential?
Which of the following is true about the propagation of the action potential?
What does the term 'all-or-none response' mean in relation to nerve impulses?
What does the term 'all-or-none response' mean in relation to nerve impulses?
Which type of fibers conduct nerve impulses more quickly?
Which type of fibers conduct nerve impulses more quickly?
During repolarization, what happens to the membrane of a neuron?
During repolarization, what happens to the membrane of a neuron?
What is the role of potassium ions during repolarization?
What is the role of potassium ions during repolarization?
Why can't a neuron conduct another nerve impulse until repolarization is complete?
Why can't a neuron conduct another nerve impulse until repolarization is complete?
During repolarization, what happens to the inside of the neuron's membrane?
During repolarization, what happens to the inside of the neuron's membrane?
What happens to potassium ions during repolarization?
What happens to potassium ions during repolarization?
What is the effect of incomplete repolarization on the neuron?
What is the effect of incomplete repolarization on the neuron?
During repolarization, what happens to the membrane of a neuron?
During repolarization, what happens to the membrane of a neuron?
What is the role of potassium ions during repolarization?
What is the role of potassium ions during repolarization?
What is the function of the sodium-potassium pump in repolarization?
What is the function of the sodium-potassium pump in repolarization?
Which channels open when the action potential reaches the axon terminal?
Which channels open when the action potential reaches the axon terminal?
What happens when the electrical charge opens calcium channels at the axon terminal?
What happens when the electrical charge opens calcium channels at the axon terminal?
What is the role of calcium channels in the transmission of a signal at synapses?
What is the role of calcium channels in the transmission of a signal at synapses?
Which ion is responsible for causing the fusion of vesicles containing neurotransmitter chemicals with the axonal membrane?
Which ion is responsible for causing the fusion of vesicles containing neurotransmitter chemicals with the axonal membrane?
What is the role of calcium channels in the transmission of a signal at synapses?
What is the role of calcium channels in the transmission of a signal at synapses?
What happens when the vesicles containing neurotransmitter chemicals fuse with the axonal membrane?
What happens when the vesicles containing neurotransmitter chemicals fuse with the axonal membrane?
Which type of potential is generated if enough neurotransmitter is released at the synapse?
Which type of potential is generated if enough neurotransmitter is released at the synapse?
What are the two methods by which neurotransmitter is removed from the synapse?
What are the two methods by which neurotransmitter is removed from the synapse?
What type of transmission occurs between neurons at the synapse?
What type of transmission occurs between neurons at the synapse?
Which type of potential is generated if enough neurotransmitter is released at the synapse?
Which type of potential is generated if enough neurotransmitter is released at the synapse?
What happens to the neurotransmitter molecules after they bind to receptors on the membrane of the next neuron?
What happens to the neurotransmitter molecules after they bind to receptors on the membrane of the next neuron?
What is the main mode of transmission of an impulse between neurons?
What is the main mode of transmission of an impulse between neurons?
Which part of the nervous system is responsible for the electrical transmission of an impulse within a neuron?
Which part of the nervous system is responsible for the electrical transmission of an impulse within a neuron?
What are the two main methods by which neurotransmitter is removed from the synapse?
What are the two main methods by which neurotransmitter is removed from the synapse?
Which of the following is NOT a characteristic of reflexes?
Which of the following is NOT a characteristic of reflexes?
What are reflexes responses to?
What are reflexes responses to?
What are neural pathways that reflexes occur over called?
What are neural pathways that reflexes occur over called?
Which of the following best describes reflexes?
Which of the following best describes reflexes?
What are neural pathways that reflexes occur over called?
What are neural pathways that reflexes occur over called?
Which of the following is NOT a characteristic of reflexes?
Which of the following is NOT a characteristic of reflexes?
Which type of reflexes stimulate the skeletal muscles?
Which type of reflexes stimulate the skeletal muscles?
Which type of reflexes regulate the activity of smooth muscles, the heart, and glands?
Which type of reflexes regulate the activity of smooth muscles, the heart, and glands?
What is an example of an autonomic reflex?
What is an example of an autonomic reflex?
Which type of reflexes stimulate the skeletal muscles?
Which type of reflexes stimulate the skeletal muscles?
Which type of reflexes regulate the activity of smooth muscles, the heart, and glands?
Which type of reflexes regulate the activity of smooth muscles, the heart, and glands?
