WEEK 6 EXAM 3 - BIOS 255 CHAMBERLAIN QUESTIONS AND ANSWERS 100% PASS

WEEK 6 EXAM 3 - BIOS 255 CHAMBERLAIN QUESTIONS AND ANSWERS 100% PASS what is pulmonary ventilation? - ANSWER -movement of gases into and out of the lungs what is ventilation between? - ANSWER -external environment and lungs what is inhalation? - ANSWER -air moving from the external environment into the lungs during inhalation, O2 __ and CO2 ___ air is moved into the lungs - ANSWER -rich, poor during exhalation, O2 ___ and CO2 ___ air are removed from the lungs - ANSWER -poor, rich what is exhalation? - ANSWER -air moving from the lungs to the external environment what is respiration? - ANSWER -exchange of gases across a membrane into and out of a blood vessel during respiration, CO2 diffuses from the capillary blood into the ___ while oxygen diffuses from the lungs into the ___ - ANSWER -lungs, capillary blood what is tissue respiration - ANSWER -exchange of O2/CO2 between the blood in the systemic capillaries what is the cellular respiration equation? - ANSWER -C6H12O6 + 6O2 -- 6CO2 + 6H2O + ATP what happens to oxygen during external respiration? - ANSWER -moves from the alveoli across the alveolar membrane into the pulmonary capillary bed what happens to carbon dioxide during external respiration? - ANSWER -moves from the capillary bed across the alveolar membrane into the alveoli 2 | P a g e Created by Grace Amelia © 2025, All Rights Reserved. what happens to carbon dioxide during internal respiration? - ANSWER -moves from the interstitial fluid across the systemic capillary membrane into the systemic capillary bed what happens to oxygen during internal respiration? - ANSWER -moves from the systemic capillary bed across the systemic capillary membrane into the interstitial fluid where it is used to create ATP what are the functions of the respiratory system? - ANSWER -communication, olfaction, pH balance, blood pressure regulation, filtration of blood, production of platelets, promoting blood and lymph flow how is communication involved in the respiratory system? - ANSWER -involved in speech, vocalization, crying, and laughing how is olfaction involved in the respiratory system? - ANSWER -site for smelling how is the pH balance involved in the respiratory system? - ANSWER -control the levels of CO2 how is blood pressure regulation involved in the respiratory system? - ANSWER -lungs are responsible for producing ACE which is involved in the production of angiotensin II what is angiotensin II - ANSWER -hormone that assists in blood pressure regulation and promotes the release of aldosterone how is filtration of blood involved in the respiratory system? - ANSWER -the lungs are capable of filtering small blood clots in the blood how is production of platelets involved in the respiratory system? - ANSWER -body's platelets are generated from megakaryocytes in the lungs not bone marrow how is promoting blood and lymph flow involved in the respiratory system? - ANSWER -breathing and muscle contractions helps to promote the movement of blood and lymph True or false: gas molecules move down their pressure gradient, from high to low gas pressure - ANSWER -true 3 | P a g e Created by Grace Amelia © 2025, All Rights Reserved. Which of the following is the movement of gases into and out of the lungs? - ANSWER -ventilation True or false: oxygen is created during respiration - ANSWER -false True or false: CO2 is created during cellular respiration - ANSWER -true What prevents the trachea from collapsing? - ANSWER -C-shaped cartilaginous rings What structure is also known as the "voice box"? - ANSWER -larynx Which bone does not contain a paranasal sinus? - ANSWER -mandible what are the principal components of the respiratory system? - ANSWER -nose, pharynx, larynx, trachea, lungs what does the conducting zone do - ANSWER -allow air flow but not gas exchange across a membrane humidify, warm, filter air, sound production, and olfaction what does the respiratory zone do? - ANSWER -gas exchange across membranes