ATI TEAS SCIENCE REAL EXAM QUESTIONS AND VERIFIED ANSWERS 2024
LATES UPDATE// A GRADE
What does the respiratory system do? - ANSWER-Brings 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? - ANSWER-1. 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? - ANSWER-Tiny hairs in the nose and trachea that wave particles up
away and out
What is mucus? - ANSWER-Something that keeps the air warm and moist but also
traps particles
How many alveoli does each lung have? - ANSWER-150 million
What does hemoglobin do? - ANSWER-Carries oxygen through the blood
What is pleura? - ANSWER-Sacs that surround the lungs
What is the diaphragm? - ANSWER-The muscle at the bottom of the thoracic cavity
What happens during inhalation? - ANSWER-Diaphragm moves down (contracts), rib
cage rises, volume of chest cavity increases, air moves in to fill the space
What happens during exhalation? - ANSWER-Diaphragm moves up (relaxes), rib cage
lowers, space becomes smaller, air is pushed out of lungs
What does the medulla oblongata do? - ANSWER-Controls breathing
What is chronic bronchitis? - ANSWER-Bronchi swell and become clogged with mucus
What is emphysema? - ANSWER-Tissues in lungs lose elasticity; tissues can't enough
O2 or get rid of enough CO2
What is lung cancer? - ANSWER-Cells 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? - ANSWER-Blo
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