BIOL 102 LO8 Review Questions PDF

Which lobe of the cerebral cortex is responsible for generating motor commands? a. temporal b. parietal c. occipital d. frontal 2. What region of the diencephalon coordinates homeostasis? a. thalamus b. epithalamus c. hypothalamus d. subthalamus 3. What level of the brain stem is...

Which lobe of the cerebral cortex is responsible for generating motor commands? a. temporal b. parietal c. occipital d. frontal 2. What region of the diencephalon coordinates homeostasis? a. thalamus b. epithalamus c. hypothalamus d. subthalamus 3. What level of the brain stem is the major input to the cerebellum? a. midbrain b. pons c. medulla d. spinal cord 4. What region of the spinal cord contains motor neurons that direct the movement of skeletal muscles? a. anterior horn b. posterior horn c. lateral horn d. alar plate 5. Brodmann's areas map different regions of the \_\_\_\_\_\_\_\_ to particular functions. a. cerebellum b. cerebral cortex c. basal forebrain d. corpus callosum 6. What blood vessel enters the cranium to supply the brain with fresh, oxygenated blood? a. common carotid artery b. jugular vein c. internal carotid artery d. aorta 7. Which layer of the meninges surrounds and supports the sinuses that form the route through which blood drains from the CNS? a. dura mater b. arachnoid mater c. subarachnoid d. pia mater 8. What type of glial cell is responsible for filtering blood to produce CSF at the choroid plexus? a. ependymal cell b. astrocyte c. oligodendrocyte d. Schwann cell 9. Which portion of the ventricular system is found within the diencephalon? a. lateral ventricles b. third ventricle c. cerebral aqueduct d. fourth ventricle 10. What condition causes a stroke? a. inflammation of meninges b. lumbar puncture c. infection of cerebral spinal fluid d. disruption of blood to the brain 11. What type of ganglion contains neurons that control homeostatic mechanisms of the body? a. sensory ganglion b. dorsal root ganglion c. autonomic ganglion d. cranial nerve ganglion   12. What is the name for a bundle of axons within a nerve? a. fascicle b. tract c. nerve root d. epineurium  13. Which location on the body has the largest region of somatosensory cortex representing it, according to the sensory homunculus? a. lips b. thigh c. elbow d. neck   14. Which region of the frontal lobe is responsible for initiating movement by directly connecting to cranial and spinal motor neurons? a. prefrontal cortex b. supplemental motor area c. premotor cortex d. primary motor cortex  15. Which extrapyramidal tract incorporates equilibrium sensations with motor commands to aid in posture and movement? a. tectospinal tract b. vestibulospinal tract c. reticulospinal tract d. corticospinal tract 16. Which region of gray matter in the spinal cord contains motor neurons that innervate skeletal muscles? a. ventral horn b. dorsal horn c. lateral horn d. lateral column 17. What type of reflex can protect the foot when a painful stimulus is sensed? a. stretch reflex b. gag reflex c. withdrawal reflex d. corneal reflex 18. What is the name for the topographical representation of the sensory input to the somatosensory cortex? a. homunculus b. homo sapiens c. postcentral gyrus d. primary cortex