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16 Cards in this Set
- Front
- Back
Cutting the phrenic nerves will result in....A) Paralysis of the diaphram B) paralysis of the epiglottis |
A) Paralysis of the diaphram
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Which of the following laryngealcartilages is paired....A) epiglottis and corniculate B) cricoid and the epiglottis
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B) Cricoid and the Epiglottis
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Under ordinary circumstances, the inflation reflex is iniated by.....
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Overinflation of the alveoli and bronchioles
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The detergent like substance that keeps the aveoli from collapsing between breaths because it reduces the surface tension of the water film in the aveoli is called.....A) reluctant B) surfactant
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B) Surfactant
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What determines the direction of gas movement? A) partial pressure gradient B) molecule weight and size of molecule
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A) Partial pressure gradient
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what happens when the inspiratory muscles contract? A) The size of the thoracic cavity is increased in both length and diameter. B) The size of the thoracic cavity increases in diameter
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A) The size of the thoracic cavity is increased in both length and diameter.
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The nutrient blood supply of the lungs is provided by....A) the pulmonary arteries B) the bronchial arteries
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the bronchial arteries
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Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by........A) pressure gradient B) diffusion
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B) Diffusion
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Which of the following would not be treated by 100% oxygen therapy? A) anoxia, B) carbon monoxide poisoning, C0 respiratory crisis in an emphysemia patient, D) eupnea
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C) respiratory crisis in an emphysema patient and
D) Eupnea |
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Most oxygen carried in the blood is.....A) chemically combines with iron B) chemically combined with heme in red blood cells
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B) Chemically combined with Heme in red blood cells
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Which of the following has the greatest stimulating effect on the respiratory center in the brain? A) Oxygen, B) carbon dioxide, C) calcium, D) will power
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B) carbon dioxide
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In mouth to mouth artificial respiration, the resuer blows air from his or her own respiratory system into the victim. what happens? 3 answers A) 1. Expansion of victims lung is brought about by blowing air in at a higher than atm pressure (positive breathing)
2. During inflation of lungs, intrapleural pressure increases. 3. Expiration during procedure depends on elasticity of the aveolar and thoracic walls B)1. Expansion of victims lung is brought about by blowing air in at a higher than atm pressure (positive breathing) 2. During inflation of lungs, intrapleural pressure decreases. 3. Expiration during procedure depends on elasticity of the aveolar and thoracic walls |
A) 1. Expansion of victims lung is brought about by blowing air in at a higher than atm pressure (positive breathing)
2. During inflation of lungs, intrapleural pressure increases. 3. Expiration during procedure depends on elasticity of the aveolar and thoracic walls |
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A baby holding its breath will.....A) automatically start to breathe again when the carbon dioxide levels in the blood reach a high enough value B) automatically start to breathe again when the oxygen in the blood reach a high enough value
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A) automatically start to breathe again when the carbon dioxide levels in the blood reach a high enough value
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Under ordinary circumstances, which of the follow blood components is of no physiological value? A) bicarbonate ions, B) carbominohemoglobin, C)nitrogen, D)chloride
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C) Nitrogen
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Damage to which of the following will most likely result in cessation of breathing? A) pontine respiratory group, B) ventral respiratory group of medulla, C) stretch receptors in lungs, D) Dorsal respiratory group of the medulla
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B) ventral repiratory group of the medulla
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The bulk of carbon dioxide is carried .....A) As an ion H+ in plasma after first entering the red blood cell B) As an ion HCO3- in plasma after first entering the red blood cell
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B) As an ion HCO3- in plasma after first entering the red blood cell
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