Ficks law Study guides, Revision notes & Summaries

Barotitis media correct answer: -typically occurs in decent -pain in the middle ear Barobariatrauma correct answer: -caused by large/sudden release of nitrogen from tissues. -pre-oxygenate prior to flight to blow off excess N2 Barosinusitis correct answer: -trapped air in the sinuses -occurs during ascent falling atmoshperic pressure canot keep the air in the sinuses compressed, causing the air to expand and place pressure on the sinus walls hypoxic hypoxia correct answer: -inad...

EXPH 386 Exam 5 (pulmonary) Questions and Answers T OR F The lung is the only organ (other than the heart) to receive the entire cardiac output - ANS ️️ true Functions of the lung: - ANS ️️ -gas exchange -filtering (blood and air) -captures inhaled particles -breakdown vasoactive substances (metabolic functions) -converts angiotensin I to angiotensin II (related to blood pressure and kidneys) (ACE in the lungs) -bradykinin -serotonin -norepinephrine -PGE2 and PGF2 alpha -le...

Barotitis media -typically occurs in decent -pain in the middle ear Barobariatrauma -caused by large/sudden release of nitrogen from tissues. -pre-oxygenate prior to flight to blow off excess N2 Barosinusitis -trapped air in the sinuses -occurs during ascent falling atmoshperic pressure canot keep the air in the sinuses compressed, causing the air to expand and place pressure on the sinus walls hypoxic hypoxia -inadequate ventilation or reduction in PO2 -the lack of...

SCNM Q1 PHYSIOLOGY - SCHMIDT What are the important and physiological roles of Ca++ - correct answer Triggers Actin/Myosin for muscle contraction Triggers exocytosis Signal transduction acts as a second messenger by keeping resting intracellular calcium levels LOW Calcium release channel (IP3) - if activated the channel opens to allow calcium to flow down a concentration gradient into the cytoplasm Increasing cytosolic free calcium - activates different signaling pathways leading to muscle ...

AQA A LEVDefine diffusion. The net movement of molecules or ions from an area of higher concentration to an area of lower concentration until evenly distributed.Define osmosis.The movement of water from a region of higher water potential to a region of lower water potential across a partially permeable membrane. Define active transport. The movement of molecules from an area of lower concentration to an area of higher concentration using ATP and carrier proteins. State factors which ...

flux Number of molecules through an area per time, rate of passive flow of "substances" down gradients fluid/bulk flow all the molecules (ex: air) Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen diffusion movement of one type of molecule (ex: O2) what on a graph tells us the flux slope driving force for flux the difference of molecules in versus out (out-in) process of inhalin...

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Explain why plasma membranes are said to have a fluid mosaic structure. - ANSWER 1. Fluid because the phospholipids are constantly moving. 2. Mosaic because the proteins are scattered throughout the membrane-like tiles in a mosaic. What effect does cholesterol have on the cell membrane? - ANSWER 1.Cholesterol molecules fit between the phospholipids and bind to the hydrophobic tails of the phospholipids. 2.Causes them to pack together more closely, restricting the movement of other molecules i...

SCNM Q1 PHYSIOLOGY - SCHMIDTWhat are the important and physiological roles of Ca++ - correct answer Triggers Actin/Myosin for muscle contraction Triggers exocytosis Signal transduction acts as a second messenger by keeping resting intracellular calcium levels LOW Calcium release channel (IP3) - if activated the channel opens to allow calcium to flow down a concentration gradient into the cytoplasm Increasing cytosolic free calcium - activates different signaling pathways leading to muscle co...

Cardiovascular System Blood 1.) What are the 3 main functions of the blood? 2.) What are the different roles of these proteins? A. albumin B. alpha and beta globulins C. gamma globulins ‐ their origin ‐ their different types and role 3.) What is the largest immunoglobulin called and what is its function? 4.) What is the most abundant immunoglobulin called and what is its function? 5.) What is the name of the immunoglobulin which is involved in an allergic reaction? 6.) When an ...