SPLH 620- EXAM #1 QUESTIONS AND ANSWERS (GRADED A)

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-