Exam II Pathophysiology: Recall and Application1. What does the parasympathetic nervous system do?_______________________________________________________It conserves energy and the bodys resources.2. What does the sympathetic nervous system do?_______________________________________________________It responds to stress by preparing the body to defend itself.3. The central nervous system is composed of what?_______________________________________________________Brain and spinal cord4. The Peripheral nervous system is composed of what 2 things?_______________________________________________________Cranial nerves and spinal nerves.5. What two things is the PNS be divided into?_______________________________________________________The somatic nervous system (Consists of motor and sensory pathways that regulates voluntary movement, and the autonomic nervous system (ANS) which consists of motor and sensory and is involved with regulation of the bodys internal environment through involuntary control of organ systems.6. Sympathetic stimulation of the GI tract causes a decrease or increase in peristalsis?_______________________________________________________Decrease7. Parasympathetic stimulation decreases or increases peristalsis?_______________________________________________________Increases8. Write the branch of the autonomic nervous system whose stimulation would cause each effect. Choices are either parasympathetic or sympathetic.Increased diameter of pupils_____ answer-sympatheticDry Mouth_____ SympatheticContraction of bladder detrusor muscle____ ParasympatheticIncreased plasma free fatty acids_____ SympatheticBradycardia_____ ParasympatheticIncreased salivation_____ ParasympatheticCool, pale skin_____ ParasympatheticHyperglycemia_____ SympatheticDilation of bronchioles____ SympatheticIncreased BP____ SympatheticIncreased peristalsis____ Parasympathetic9. Efferent nerves carry signals_____ from the CNS and Afferent nerves carry signals to the CNS._______________________________________________________Away10. Cranial nerves III, IV, and