med lectures
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Name 3 factors which the efficiency of external respiration is dependent on. | show 🗑
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| List the 3 factors involved in oxygen delivery. | show 🗑
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| Describe Oxygen Loading | show 🗑
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| Describe Oxygen Transport | show 🗑
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| show | Internal Respiration: The exchange of gases between systemic capillary level, blood and cells. The oxygen unloaded is the oxygen available for metabolism.
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| Why does V/Q mismatching occur even in the normal lung? | show 🗑
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| show | 150 ml
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| show | < 0.4
higher
< 0.6
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| The distribution of ventilation in the lung depends on regional differences in ____ and ___. | show 🗑
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| show | 70% of the VT is lost to VD.
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| Calculate the cardiac output. Stroke Volume - 80 cc Heart Rate - 85 BPM Is this within normal range? | show 🗑
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| show | apices.
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| Most gas inhaled during normal breathing from normal FRC enters the ____ | show 🗑
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| Will a change in FRC affect distribution of ventilation? | show 🗑
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| A pt's minute ventilation is 101 l/m, RR is 22, PaCO2 is 55 torr. Which of the following is she NOT experiencing : 1- increased shunting 2- Increased deadspace ventilation 3- Increased WOB 4- Decreased compliance 5- Decreased Alveolar ventilation | show 🗑
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| A pulmonary embolus would increase (shunt/deadspace) in the affected area. | show 🗑
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| The ( lower/higher) the V/Q, the lower is the PO2 that leaves the unit. | show 🗑
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| Increased VD will (increase/decrease) the WOB and 02 demand. | show 🗑
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| show | 3%
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| List any 2 possible clinical causes of increased anatomic shunting. | show 🗑
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| show | Carbon Dioxide
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| Name the 2 major requirements for successful pulmonary diffusion. | show 🗑
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| show | _________________
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| show | 0.3 vol%
_______
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| What does volume percent really meant? | show 🗑
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| show | the PaO2
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| HBG tends to combine with 4 oxygen molecules or with none. ( T/F) | show 🗑
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| Oxygen combines with the ___ sites of the HBG molecule. | show 🗑
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| Name the normal HGB value/range for males and females. | show 🗑
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| show | Anemia
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| Name 2 types of abnormal HGB. | show 🗑
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| show | Shunting
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| ___ results from the additive effects of anatomic and capillary shunts. | show 🗑
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| ______ is the quantity of gas remaining in the airway after each breath. | show 🗑
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| This form of deadspace is represented by a VQ >1. | show 🗑
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| show | Physiologic deadspace.
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| show | True alveolar deadspace.
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| show | Mechanical deadspace.
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| show | Relative capillary shunting.
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| The pleural, bronchial, and thesbian largely veins contribute to this form of normal shunting. | show 🗑
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| show | deadspace
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| show | true capillary shunting
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