Pnb 3255 - Study guides, Class notes & Summaries

PNB 3255 Exam I Questions and Answers Already Passed Nervous system is ___% of human body weight 3% or ~4.5 lbs The CNS includes: Brain, spinal cord, and retina The PNS includes: Neurons outside the CNS, cranial / spinal nerves, ganglia Autonomic nervous system controls: Visceral functions such as heart rate, digestion, salivation, respiration CNS development begins at what day of intrauterine development? Day 22 Describe the process of CNS formation. The nervous system develops from the ne...

PNB 3255 EXAM 1 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+PNB 3255 EXAM 1 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

homeostasis - dynamic steady state; small fluctuations around the set point negative feedback - response returns regulated variable toward set point (response removes stimulus), closed loop used for homestasis positive feedback - response to the effector reinforces the stimulus; promotes useful change Properties of water - polar-covalent bond creates sticky molecules, solvent to ionize compounds (electrolytes), high specific heat, lubrication & cushioning dehydration synthesis - molecu...

The motor activity of the muscularis externa is controlled by the - myenteric plexus Which of the following are true regarding the secretion of HCl? (choose all that apply) a.) The H, K ATPase, also known as proten pump is present on the apical membrane of the parietnal cells. b.) As a by-product of the HCl secretion, HCO3- is transported out of the cell from the basolateral side of the cell. This can cause a alkaline tide (pH increase in plasma) immediately after a meal. c.) Na, K AT...