MCQ Paper No.628th June 2017 by admin Please select True or False for the following questions. 1. With regards to High Frequency Oscillatory Ventilation (HFOV): a. An increase in frequency leads to an increase in carbon dioxide clearanceTrueFalseb. Bias flow should be decreased in cases of broncho-pleural fistulaTrueFalsec. Mean airways pressure is generally decreased in comparison to conventional ventilationTrueFalsed. Blood pressure may fall on commencing HFOVTrueFalsee. HFOV is associated with a decrease in mortality in adult ARDS patientsTrueFalse2. With regards to child protection: a. All clinical staff who have contact with children, young people and/or parents/carers should have level 2 child protection trainingTrueFalseb. Children with learning disabilities are at increased risk of abuseTrueFalsec. Low birth weight children are at increased risk of abuseTrueFalsed. Neglect is the most common form of abuseTrueFalsee. A sub-arachnoid haemorrhage in a child is associated with physical abuseTrueFalse3. With regards to statistics: a. The null hypothesis states that there is a difference between the groups studiedTrueFalseb. Type I error rejects the null hypothesis when it is actually trueTrueFalsec. Increasing the power of a study reduces the risk of Type I errorTrueFalsed. Increasing the expected difference between 2 study populations when designing a study will decrease the number of participants that must be recruited to achieve a power of 80%TrueFalsee. A crossover study testing the effect of two anti-hypertensive agents on blood pressure should be analysed using the paired t-test.TrueFalse4. With regards to ECMO: a. Arteriovenous ECMO utilises an extra-corporal pump to drive flow through the oxygenatorTrueFalseb. CO2 is exchanged more efficiently within the oxygenator than oxygenTrueFalsec. Aterio-venous ECMO required a cardiac index of at least 2.5 L min-1 m-2TrueFalsed. A SIRS reaction may be seen in response to decannulationTrueFalsee. Veno-arterial ECMO is contraindicated in severe aortic regurgitationTrueFalse5. With regards to risk prediction in the ICNARC (2009) model : a. The ICNARC physiology score is from 0-10TrueFalseb. Source of admission is usedTrueFalsec. The ICNARC physiology score consists of 10 parametersTrueFalsed. The ICNARC physiology score uses haematocrit as one of its variablesTrueFalsee. Burns admissions are excluded from the ICNARC (2009) modelTrueFalseTime is Up!