ATI TEAS PRACTICE TEST Science Full 2024 test bank with complete solutions

ATI TEAS PRACTICE TEST Science Full 2024 test bank with complete solutions What does the respiratory system do? - answerBrings in oxygen to go into the cells, and picks up carbon dioxide to be removed from the bodyguard What are the 7 parts of the respiratory system? - answer1. Nose 2. Pharynx 3. Larynx (voice box) 4. Trachea (windpipe) 5. Bronchi 6. Bronchioles 7. Alveoli What are alveoli surrounded by to allow the exchange of O2 and CO2? - answerCapillaries What is cilia? - answerTiny hairs in the nose and trachea that wave particles up away and out What is mucus? - answerSomething that keeps the air warm and moist but also traps particles How many alveoli does each lung have? - answer150 million What does hemoglobin do? - answerCarries oxygen through the blood What is pleura? - answerSacs that surround the lungs What is the diaphragm? - answerThe muscle at the bottom of the thoracic cavity What happens during inhalation? - answerDiaphragm moves down (contracts), rib cage rises, volume of chest cavity increases, air moves in to fill the space What happens during exhalation? - answerDiaphragm moves up (relaxes), rib cage lowers, space becomes smaller, air is pushed out of lungs What does the medulla oblongata do? - answerControls breathing What is chronic bronchitis? - answerBronchi swell and become clogged with mucus What is emphysema? - answerTissues in lungs lose elasticity; tissues can't enough O2 or get rid of enough CO2 What is lung cancer? - answerCells 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? - answerBlood vessels are constricted, blood pressure rises, heart has to work harder, heart wears out more quickly What is cystic fibrosis? - answerGenetic (recessive); lungs can get clogged with mucous What is mesothelioma? - answerLungs become exposed to asbestos and lose elasticity What is elastic recoil? - answerThe ability for the alveoli to get filled with air then return to their normal shape once the air is released What is a spirometer? - answeran instrument for measuring the air capacity of the lungs What is tidal volume? - answerThe amount of air taken in and breathed out in a typical breath What is supplemental volume? - answerThe xtra air that can be inhaled or exhaled with a deep breath What is reserve amount? - answerThe amount of extra air you can breathe out when you force air out of your lu