Biol 141 Exam 3 PSU Zeman Questions
And Answers
three process of respiration-correct-answer-pulmonary ventilation
gas diffusion
gas transfer
pulmonary ventilation-correct-answer-physical movement of air into lungs
gas diffusion-correct-answer-across the respiratory membrane
gas transport-correct-answer-to tissues in the body
2 parts of respiratory tract-correct-answer-conduction and respiratory portion
Conducting Portion-correct-answer-site of ventilation (movement of air), nose to
bronchioles
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Respiratory Portion-correct-answer-Site of respiration (exchanging CO2 and O2...
bronchioles and alveoli
Three pressures of ventialtion-correct-answer-intrapleural pressure
atmospheric pressure
intrapulmonary pressure
intrapleural pressure-correct-answer-pressure between membranes
atmospheric pressure-correct-answer-air pressure outside the body
intrapulmonary pressure-correct-answer-air pressure in lungs
peripheral chemoreceptors-correct-answer-cells located in major ateries leaving
the heart
mostly monitor O2
when O2 drops, they increase action potentials
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inspiratory neurons-correct-answer-used in "quiet" and normal or forced
breathing
contraction of diaphragm and rib muscles --- inhalation
expiratory neurons-correct-answer-forced and active breathing
contraction of accessory ribs and abs-- forcing exhalation
heart rate rises-correct-answer-when too much co2
heart rate lowers-correct-answer-when too less of co2
proprioreceptors-correct-answer-Type of sensory receptor that monitors the
body's position in space.
baroreceptors-correct-answer-detect changes in blood pressure