TEST 3 - CRT Word Scramble
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| Question | Answer |
| EXHALED VT IS MEASURED WITH | RESPIROMETER @ BEDSIDE OR BY SPIROMETRY |
| WHEN IS VT DECREASED | RESTRICTIVE DISEASE |
| WHEN IS VT INCREASED | OBSTRUCTIVE DISEASE |
| NORMAL VT IS | 500 ML OR 3 ML/LB OF BODY WEIGHT |
| DEFINE IRV | INSPIRATORY RESERVE VOLUME-THE MAXIMUM VOLUME OF AIR THAT CAN BE INSPIRED AFTER A NORMAL INSPIRATION |
| NORMAL VALUE FOR IRV | 3000 ML |
| DEFINE ERV | EXPIRATORY RESERVE VOLUME-VOLUME OF AIR EXHALED AFTER A NORMAL EXPIRATION |
| ERV IN OBSTRUCTIVE N RESTRICTIVE DISEASE | WOULD BE NORMAL OR DECREASED IN BOTH |
| NORMAL VALUE FOR ERV | 1000 ML AND 20%-25% OF THE VC |
| DEFINE RV | RESIDUAL VOLUME-VOLUME OF AIR LEFT IN LUNGS AFTER A MAXIMAL EXPIRATION |
| HOW DO YOU MEASURE RV | NITROGEN WASHOUT OR HELIUM DILUTION |
| CALCULATION FOR RV | RV=FRC-ERV |
| RV IN OBSTRUCTIVE N RESTRICTIVE DISEASE | INCREASED IN OBSTRUCTIVE N DECREASED IN RESTRICTIVE |
| DEFINE FRC | FUNCTIONAL RESIDUAL CAPACITY-AMOUNT OF AIR LEFT IN LUNGS AFTER A NORMAL EXPIRATION |
| CALCULATION FOR FRC | ERV+RV=FRC |
| HOW IS FRC MEASURED | HELIUM DILUTION, NITROGEN WASHOUT, OR BODY PLETHYSMOGRAPHY |
| STEPS TO MEASURE FRC BY HELIUM | FILL SPIROMETER WITH 600ML OF GAS N 10% HELIUM. PATIENT TAKES NORMAL BREATH, AT END OF EXHALE CONNECT TO SYSTEM. PT REBREATHES THE GAS, CO IS REMOVED, HELIUM DILUTED |
Created by:
celina1382
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