front 1 lung collapse due to air or too much fluid entering pleural space | back 1 pneumothorax |
front 2 what is pneumothorax caused by | back 2
|
front 3 how do you treat pneumothorax ? | back 3 removing air or fluid
|
front 4 each lung is independent | back 4 true |
front 5 breathing in | back 5 inspiration |
front 6 Diaphragm contracts | back 6 inspiration |
front 7 flattens and moves inferiorly | back 7 diaphragm contracts |
front 8 external intercostal muscles contract | back 8 inspiration |
front 9 lifts the rib cage | back 9 external intercostal muscles contract |
front 10 inspiration increases volume of thoracic cavity | back 10 true |
front 11 air flows into lungs | back 11 inspiration |
front 12 during inspiration Ppul < Patm (by 1 mmHg) | back 12 true |
front 13 what muscles are used during forced inspiration ? | back 13 scalene, sternocleidomastoid, pectoralis minor |
front 14 when is forced inspiration needed? | back 14 vigorous exercise, disease, and lab experiments |
front 15 breathing out | back 15 expiration |
front 16 normal expiration is passive | back 16 true |
front 17 inspiratory muscles relax | back 17 expiration |
front 18 elasticity of lungs decreases volume | back 18 expiration |
front 19 as volume goes down, pressure goes up | back 19 true |
front 20 in expiration Ppul > Pulatm (by 1 mmHg) | back 20 true |
front 21 air flows out of lungs | back 21 expiration |
front 22 forced expiration is active process | back 22 true |
front 23 contraction of abdominal wall muscles | back 23 forced expiration |
front 24 what muscles contract during forced expiration ? | back 24
|
front 25 when is forced expiration needed? | back 25
|
front 26 paralyzing toxins kill due to suffocation | back 26 paralysis |
front 27 cannot change volume of thoracic cavity | back 27 paralysis |
front 28 air will not flow | back 28 paralysis |
front 29 what is an example of a paralyzing toxin | back 29 tetrodotoxin |
front 30 what does tetrodotoxin do? | back 30 blocks voltages gated Na+ channels in skeletal muscles |
front 31 formation of non-elastic tissue in lungs | back 31 pulmonary fibrosis |
front 32 lungs do not recoil after inspiration due to | back 32 pulmonary fibrosis |
front 33 what causes pulmonary fibrosis | back 33
|
front 34 equation resistance to air flow | back 34 R= viscocity (length)/ radius4 |
front 35 resistance to air flow is normally low, why? | back 35 because viscosity of air is low, compared to blood |
front 36 radius of airway is easily changed | back 36 true |
front 37 what changes the radius of the airway | back 37 bronchodilation or bronchoconstriction |
front 38 radius of bronchioles increase | back 38 bronchodilation |
front 39 increase air flow by decreasing resistance | back 39 bronchodilation |
front 40 what is bronchodilation caused by? | back 40 activation of sympathetic nervous system |
front 41 radius of bronchioles decreases | back 41 bronchoconstriction |
front 42 decreases air flow increasing resistance | back 42 bronchoconstriction |
front 43 what is bronchoconstriction caused by ? | back 43 activation of parasympathetic nervous system |