Mice lacking the poly Ig receptor have an immunodeficiency disease characterized by increased susceptibility to mucosal infections. Yet, a genetic deficiency in the production of IgA antibodies is the most common form of human immunodeficiency, and is generally a mild disease and often even asymptomatic. This dichotomy can be explained by:
Read DetailsIn addition to Peyer’s patches that resemble systemic lymph nodes, the intestinal epithelium contains several thousand isolated lymphoid follicles. Unlike the organized secondary lymphoid tissues in the mucosal immune system, these lymphoid follicles
Read DetailsAssessment reveals: – Positive color change in the colorimetric capnometer – No positive pressure sounds in the stomach – Unilateral chest rise to the right – Absent breath sounds to the left What should be done now? Choose only ONE
Read DetailsFurther assessment reveals: – ECG: Sinus tachycardia – Sputum C&S: Gram negative bacteria found – Electrolytes: Na 138, Cl 99, CO2 25, K 4.0 – CBC: WBC 15,000, Hct 45%, Hb 15, Plt 210 – CXR: Consolidation with infiltrates present in the RML and RLL – ABG: pH 7.46, PaCO2 33 torr, PaO2 65 torr, HCO3 24 mEq/L What should you recommend at this time? Choose only ONE
Read DetailsAM ABG Analysis: pH 7.27, PaCO2 65 mmHg, PaO2 63 mmHg, HCO3 30 mEq/L, +4 mEq/L BE Electrocardiogram: Sinus tachycardia CBC: Hb 19 g/dl, Hct, 52%, WBC 8,000 Electrolytes: Normal Chest radiograph: Light infiltrate bilaterally Urine output: 50 ml/Hr Recent assessment Breathsounds: Clear bilaterally PIP and Plateau pressures: 28 cm H2O, 20 cm H2O Based on the above data, what should be done now? Choose only ONE
Read DetailsYou are a respiratory therapist starting your shift in the ICU. Your first patient is a 5’8″ 65 y/o male patient intubated on CMV due to respiratory failure secondary to COPD exacerbation. Current ventilator settings are AC rate of 12, VT 550 ml, +5 cm H2O PEEP and 60% FIO2. What ventilator parameters should you assess at this time? Select as MANY as indicated
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