Which of the following information may be obtained from a helium dilution technique in the PFT lab?1. FVC2. FEV13. FRC4. RV

52 year old male brought to the ED status post motor cycle accident. Imaging shows multiple head trauma and 8 broken ribs, subdural hematoma and cervical spine fracture. CT chest and abdomen shows bilateral pleural effusion and lacerated liver. Hemodynamics and VS: HR 130 BP 82/54CVP 2mmHg ICP 17 mmHg Hb 9.8 g/dLWhat would you recommend?

Which of the following is true regarding athletes and upper respiratory tract infections (URTI)?

You the RT have performed a capillary blood gas on a 5 year old patient on room air. The following are the results of the CBG:pH:         7.39PaCO2:   33 torrPaO2:      68 torrHCO3:     20 mEq/LB.E.:        4 mEq/LWhat is your interpretation?

Most athletes consume a sufficient amount of dietary fiber.

An athlete’s pre-exercise weight is 163 pounds. His post-exercise weight is 161 pounds. What does this two (2) pound weight loss represent?

A 75-kg patient is receiving mechanical ventilation with the following data, who appears to be anxious and has mild accessory muscle use:Mode:                  SIMVrate:                     8FiO2:                   0.40Vt:                        550 mLflow:                     60 L/minPIP:                     35 cmH2OPplat:                   17 cmH2OPEEP:                  3 cmH2Ospontaneous rate:  15 bpmABG:pH:         7.43PaCO2:   35 torrPaO2:     73 torrHCO3:    24 mEq/LBE:         0 mEq/LWhat should the RT recommend?

A patient with ARDS is receiving mechanical ventilation with the following settings:Mode:         PCVPIP:            20 cmH2Orate:            12 bpmTI:              1 secondI:E:             1:1FiO2:          0.50PEEP:        15 cmH2OVt exhaled: 6 mL/kgABGs:pH:             7.28PCO2:        55 torrPO2:          62 torrThe pulmonologist wants to maintain a PaCO2 of 40 to 45 mmHg. Which of the following would the respiratory therapist recommend?

If the PI is left at 25 cmH2O and PEEP is increased from 4 cmH2O to 8 cmH2O, which of the following will result:

A 73 year old asthmatic with chronic bronchitis and 25 pack year history of smoking is admitted into the ED. You perform a physical assessment and note the following:breath sounds: diminished with end-exhalation wheezes bibasilarRR: 35 bpmB/P 185/95accessory muscle useABGs: pH:         7.12PaCO2:   87 torrPaO2:     39 torrHCO3:    35 mEq/LWhat should be recommended at this time by the RT?