Podcast
Questions and Answers
What is the main function of the peripheral nervous system?
What is the main function of the peripheral nervous system?
- To provide structural support to the brain and spinal cord
- To serve as the integration and command center of the body
- To communicate between the central nervous system and all parts of the body (correct)
- To protect the brain and spinal cord
Which component of the nervous system is responsible for voluntary movements from the CNS to skeletal muscles?
Which component of the nervous system is responsible for voluntary movements from the CNS to skeletal muscles?
- Motor division (correct)
- Spinal nerves
- Sensory division
- Central nervous system
What is the function of the cervical plexus?
What is the function of the cervical plexus?
- Originates from the thoracic region and controls abdominal organs
- Originates from the sacral region and controls pelvic functions
- Originates from the lumbar region and controls lower body movements
- Originates from the cervical region and controls muscles in the neck and upper body (correct)
What is a dermatome?
What is a dermatome?
Which part of the nervous system serves as the integration and command center of the body?
Which part of the nervous system serves as the integration and command center of the body?
What is the role of the blood-brain barrier?
What is the role of the blood-brain barrier?
Which ventricle communicates with the 3rd ventricle in the diencephalon via the interventricular foramen?
Which ventricle communicates with the 3rd ventricle in the diencephalon via the interventricular foramen?
What connects the 4th ventricle to the central canal?
What connects the 4th ventricle to the central canal?
What is the function of the cerebral cortex?
What is the function of the cerebral cortex?
Which area of the cerebral cortex is only 2-4 mm thick but has many convolutions, increasing its surface area?
Which area of the cerebral cortex is only 2-4 mm thick but has many convolutions, increasing its surface area?
What type of fissure separates the frontal and parietal lobes of the cerebral hemispheres?
What type of fissure separates the frontal and parietal lobes of the cerebral hemispheres?
Which functional area of the cerebral cortex involves handling sensory and motor functions of the contralateral side of the body?
Which functional area of the cerebral cortex involves handling sensory and motor functions of the contralateral side of the body?
What is the primary function of microglia in the nervous system?
What is the primary function of microglia in the nervous system?
Which type of cells form a permeable barrier between cerebrospinal fluid (CSF) and tissue fluid bathing CNS cells?
Which type of cells form a permeable barrier between cerebrospinal fluid (CSF) and tissue fluid bathing CNS cells?
What is the role of Schwann cells in the peripheral nervous system (PNS)?
What is the role of Schwann cells in the peripheral nervous system (PNS)?
Neurons are highly specialized cells that conduct impulses. Which characteristic is NOT true about neurons?
Neurons are highly specialized cells that conduct impulses. Which characteristic is NOT true about neurons?
Which type of neurons carry impulses away from the central nervous system (CNS) to effectors?
Which type of neurons carry impulses away from the central nervous system (CNS) to effectors?
What is the primary function of gray matter in the spinal cord and brain?
What is the primary function of gray matter in the spinal cord and brain?
What is the main function of the thalamus?
What is the main function of the thalamus?
Which hemisphere is typically dominant for visual-spatial skills, intuition, and artistic skills?
Which hemisphere is typically dominant for visual-spatial skills, intuition, and artistic skills?
What do association fibers connect within the brain?
What do association fibers connect within the brain?
Which structure is known as the 'gateway to the cerebral cortex'?
Which structure is known as the 'gateway to the cerebral cortex'?
What is the function of commissural fibers in the brain?
What is the function of commissural fibers in the brain?
Which part of the brain includes the caudate nucleus and lentiform nucleus?
Which part of the brain includes the caudate nucleus and lentiform nucleus?
What do projection fibers connect within the nervous system?
What do projection fibers connect within the nervous system?
What does the hypothalamus regulate?
What does the hypothalamus regulate?
What is the primary role of the corpus callosum in the brain?
What is the primary role of the corpus callosum in the brain?
What is the role of projection fibers in the brain?
What is the role of projection fibers in the brain?
What is the main function of the flocculonodular lobes in the cerebellum?
What is the main function of the flocculonodular lobes in the cerebellum?
Which fiber tract connects the cerebellum to the midbrain for sending instructions to the motor cortex?
Which fiber tract connects the cerebellum to the midbrain for sending instructions to the motor cortex?
What type of communication occurs in the middle peduncles connecting the pons to the cerebellum?
What type of communication occurs in the middle peduncles connecting the pons to the cerebellum?
What type of information is carried by the inferior peduncles connecting the medulla to the cerebellum?
What type of information is carried by the inferior peduncles connecting the medulla to the cerebellum?
Which part of the brain sends collaterals to the cerebellum indicating the intent to initiate an action?
Which part of the brain sends collaterals to the cerebellum indicating the intent to initiate an action?
What kind of information does the cerebellum receive from visual and equilibrium pathways?
What kind of information does the cerebellum receive from visual and equilibrium pathways?