- EXAM QUESTIONS & CORRECT ANSWERS FOR
READING, MATH, SCIENCE, ENGLISH, AND
LANGUAGE USE | ULTIMATE STUDY GUIDE AND
TEST PRACTICE STUDY GUIDE AND PRACTICE
EXAM 2024/2025 | ACCURATE REAL EXAM
QUESTIONS
What does the respiratory system do? - CORRECT
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? -
CORRECT 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? - CORRECT ANSWER-Capillaries
What is cilia? - CORRECT ANSWER-Tiny hairs in the
nose and trachea that wave particles up away and out
What is mucus? - CORRECT ANSWER-Something that
keeps the air warm and moist but also traps particles
How many alveoli does each lung have? - CORRECT
,ANSWER-150 million
,What happens during exhalation? - CORRECT ANSWER-
Diaphragm moves up (relaxes), rib cage lowers, space
becomes smaller, air is pushed out of lungs
What does the medulla oblongata do? - CORRECT
ANSWER-Controls breathing
What is chronic bronchitis? - CORRECT ANSWER-
Bronchi swell and become clogged with mucus
What is emphysema? - CORRECT ANSWER-Tissues in
lungs lose elasticity; tissues can't enough O2 or get rid of
enough CO2
What is lung cancer? - CORRECT 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? - CORRECT ANSWER-Blood
vessels are constricted, blood pressure rises, heart has
to work harder, heart wears out more quickly
What is cystic fibrosis? - CORRECT ANSWER-Genetic
(recessive); lungs can get clogged with mucous
What is mesothelioma? - CORRECT ANSWER-Lungs
become exposed to asbestos and lose elasticity
What does hemoglobin do? - CORRECT ANSWER-
Carries oxygen through the blood
What is pleura? - CORRECT ANSWER-Sacs that
surround the lungs
, What is the diaphragm? - CORRECT ANSWER-The
muscle at the bottom of the thoracic cavity
What happens during inhalation? - CORRECT ANSWER-
Diaphragm moves down (contracts), rib cage rises,
volume of chest cavity increases, air moves in to fill the
space
What is reserve amount? - CORRECT ANSWER-The
amount of extra air you can breathe out when you
force air out of your lungs
What is residual amount? - CORRECT ANSWER-The
amount of air in your lungs that you cannot get rid of
(even during forced exhaling)
What is vital capacity? - CORRECT ANSWER-All the air
you can control going in or out of your lungs
(supplemental + reserve = vital)
What is total capacity? - CORRECT ANSWER-From the
top of your supplemental amount to the bottom of your
residual volume