SPLH 620 EXAM 1 Questions with Correct Answers

SPLH 620 EXAM 1 Questions with Correct Answers What does the nervous system do? - Answer-1. controls and coordinates all body functions 2. senses and interprets information from outside the body 3. transmits info 4. integrate info 5. generate comands Parts of a neuron - Answer--cell body -dendrite -axon Cell body (soma) - Answer-integrates signal Dendrites - Answer-a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body Axons - Answer-a part of a neuron that carries impulses away from the cell body Neurons are used for: - Answer-message transmission CNS - Answer-brain and spinal cord PNS - Answer-somatic nervous system & autonomic nervous system Anatomical directions - directional - Answer--anterior (rostral) -posterior (caudal) -ventral (inferior) -dorsal (superior) anterior (rostral); posterior (caudal) - Answer- ventral/inferior - Answer- Dorsal - Answer- Anatomical directions- location in brain - Answer--ipsilateral (1 side) -contralateral (both sides) Anatomical directions- direction of function - Answer--afferent -efferent Anatomical Planes - Answer-1. coronal (vertical cut into front and back halves) 2. transverse (horizontal cut into upper and lower) 3. sagittal (vertical cut into left and right halves) coronal plane - Answer- transverse plane - Answer- sagittal plane - Answer- Cell types in CNS - Answer--neurons: information cells -glia: support cells types of glial cells - Answer--astrocytes -microglia -oligodendrocytes -Schwann cells Astrocytes - Answer--located in CNS -glial cell that provides support, nutrition, and assists with the signaling of neurons. Microglia - Answer--located in CNS