ATI TEAS: SCIENCE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+||UPDATED MAY 2024!

What happens during inhalation? - ANSWERSDiaphragm moves down (contracts), rib cage rises, volume of chest cavity increases, air moves in to fill the space What happens during exhalation? - ANSWERSDiaphragm moves up (relaxes), rib cage lowers, space becomes smaller, air is pushed out of lungs What does the medulla oblongata do? - ANSWERSControls breathing What is chronic bronchitis? - ANSWERSBronchi swell and become clogged with mucus What is emphysema? - ANSWERSTissues in lungs lose elasticity; tissues can't enough O2 or get rid of enough CO2 What is lung cancer? - ANSWERSCells that do not stop reproducing; can spread to other locations because lungs are so central and connected to so much; survival is generally less then 5 years from diagnosis What is heart disease? - ANSWERSBlood vessels are constricted, blood pressure rises, heart has to work harder, heart wears out more quickly What is cystic fibrosis? - ANSWERSGenetic (recessive); lungs can get clogged with mucous What is mesothelioma? - ANSWERSLungs become exposed to asbestos and lose elasticity What is elastic recoil? - ANSWERSThe ability for the alveoli to get filled with air then return to their normal shape once the air is released What is a spirometer? - ANSWERSan instrument for measuring the air capacity of the lungs What is tidal volume? - ANSWERSThe amount of air taken in and breathed out in a typical breath What is supplemental volume? - ANSWERSThe xtra air that can be