Irene Gold Boards Part 1 Physiology Study Guide Rated A+

What carries DE-O2 blood? {Ans: umbilical artery}Peripheral Chemoreceptors sensitive to {Ans: sensitive to decrease in O2}What is the best test for glomerular filtration rate (GFR) {Ans: Inulin}How does the body correct for respiratory acidosis? {Ans: Urinate NH4 Can be caused by pneumonia}The AV node sends its impulse through the _______ into _______ {Ans: →Bundle of His →Purkinje Fibers}Respiration is controlled by what? {Ans: →Dorsal motor nucleus of Vagus →Throat = nucleus ambiguous - CN 9,10,11 Muscles Pharynx/Larynx}What hormones regulate calcium in the body? {Ans: Parathyroid and Calcitonin}Primary active transport {Ans: Requires ATP}7% of CO2 in the blood {Ans: freely dissolved in blood}Ventricular pressure depends on muscular tension, size and shape of the heart {Ans: LaPlace Law Heart}Frequency of impulse: Heart Tissue Itself {Ans: Tissue - 20-30}Give the following volumes in milliliters: TLC = {Ans: ALL TOGETHER = 5800ml →Tidal Volume - 500ml →Inspiratory Reserve Volume - 3000ml →Expiratory Reserve Volume - 1100ml →Residual Volume - 1200ml →Inspiratory Capacity = 500+3000 = 3500ml →Functional Residual Capacity - 1100+1200=2300ml →Vital Capacity = 500+3000+1100 = 4600ml}??????????ALDOSTERONE vs ADH/Vasopressin Aldosterone Triggered by? Acts on? Action? {Ans: Triggered by Angiotensin II Acts