Hondros 253 A&p Final Exam With 165 Questions And Answers

Base or alkaline {Ans: More OH- higher #}Cerebellum {Ans: - Second largest brain region - Two hemispheres connected by the vermis - Outer layer of gray matter surrounding inner white matter - Controls posture, balance, and muscle coordination - Damage results in loss of equilibrium, muscle coordination, and muscle tone}Diencephalon {Ans: Lies between the brain stem and the cerebrum of the brain and consists of the Thalamus and Hypothalamus}White Matter {Ans: Divided into 3 regions; the anterior, posterior, and lateral columns. These columns are bundles of myelinated axons of interneurons that extend up and down the spinal cord}Functions of the ANS {Ans: 1. The two divisions have opposing effects on organs 2. Sympathetic division prepare the body for emergency or high stress situations - "Fight or flight" 3. Parasympathetic division dominates during normal, non-stressful conditions, - "Rest and digest"}Autonomic Nervous System (ANS) {Ans: Involuntary (unconscious) control of cardiac muscle, smooth muscle and glands}