questions from lab for review
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| What are the three mechanisms that alone or in combination regulate alveolar pressure? | Musculature, relaxation, airway resistance
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| Pressure which is generated entirely by passive forces | Relaxation pressure
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| At resting expiratory level, relaxation pressure is... | zero
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| During quiet tidal breating, relaxation following inhalation produces ________ relaxation pressure | positive
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| Positive relaxation pressure provides the force for ________ exhalation | passive
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| The forces of relaxation exert pressure until alveloar pressure is equal to | atmospheric
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| Although relaxation pressure is generally considered an expiratory force, it may proide the force for passive inhalation at very ______ lung volumes. | low
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| The relaxation-pressure curve graphically depicts the relationship between lung volume and ___________________ pressure. | alveolar
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| At lung volumes above 38% vital capacity, inspiration is | active
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| At lung volumes above 38% capacity, expiration is | passive
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| At lung volumes below 38% vital capacity, inspiration is | active
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| At lung volumes below 38% vital capacity, expiration is | active
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| A broad sheet of tendinous tissue forming the attachment between a muscle and the part it moves | aponeurosis
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| energy of position | potential energy
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| membranous sac enclosing the heart | pericardium
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| leglike part | crura
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| an opening | foramen/hiatus
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| drived from a word meaning partition | diaphragm
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| aponeurotic portion of diaphragm | central tendon
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| X-ray | readiography
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| rib raiser | levator costalis
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| between ribs | intercostal
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| examination by feeling | palpation
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| contraction of abdominal musculature to exhale air beyond that exhaled passively | forced exhalation
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| recording changes in electric potential of muscle | EMG
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| short | breves
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| energy of motion | kinetic
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| derived from a word meaning neck | cervical
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| incomplete fusion of arches of the vertebral column | spina bifida
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| derived from a word meaning footprint | vestigial
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| derived from a word meaning loin | lumbar
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| a lateral curvature of the spinal column | scoliosis
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| derived from a word meaning cuckoo | coccygeal
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| second cervical vertebrae | axis
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| an upward projection of the body of the axis that provides a pivot around which the atlas and the skull rotate | odontoid
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| the body of a vertebra | corpus
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| first cervical vertebra | atlas
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| an abnormally increased convex curvature of the lumbar region | lordosis (swayback)
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| the leglike parts of vertebrae | pedicles
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| hunchback; an abnormally increased concave curvature of the thoracic region | kyphosis
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| derived from a word meaning sacred | sacral
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| derived from a word meaning to turn | vertebra
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| pertaining to chest; region above diaphragm and below the neck | thoracic
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| a large canal in vertebra through which the spinal cord passes | vertebral foramen
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