MCQ Paper No.73rd July 2017 by admin Please select True or False for the following questions. 1. With regards to rib fractures as a consequence of trauma: a. Contusions lead to ventilation-perfusion mismatch and, as a result, type II respiratory failureTrueFalseb. Increasing age is associate with increased morbidity and mortalityTrueFalsec. Opioids should be started as a first line for all rib fracture patientsTrueFalsed. Flail chest is an indication for operative fixationTrueFalsee. FVC is reduced 12 months later in comparison to control with operative fixationTrueFalse2. With regards to statistics: a. Ordinal data is continuousTrueFalseb. When r=0 there is no correlation between the two sets of paired interval dataTrueFalsec. The mode is the central datum when all the data are arranged in numerical orderTrueFalsed. Negatively skewed data has a longer upper tail when plotted in graphical formTrueFalsee. For positively skewed data mode<median<meanTrueFalse3. With respect to interpretation of ECGs: a. Isolated ST elevation in V5, V6, III and aVL represents a lateral MI in a patient with chest painTrueFalseb. The normal PR interval is between 120-200 msTrueFalsec. P pulmonale is characterised by a bifid P waveTrueFalsed. Peaked T waves is the earliest ECG sign of hyperkalaemiaTrueFalsee. Hypokalaemia is associated with U wavesTrueFalse4. With regards to acid-base balance: a. The kidneys are responsible for excreting the most acid from the bodyTrueFalseb. A pancreatic fistula can cause a normal anion gap acidosisTrueFalsec. Low albumin states may lead to the retention of sodium bicarbonateTrueFalsed. Bartter’s Syndrome is associated with a metabolic acidosisTrueFalsee. Ureteric diversion is associated with a raised anion gap acidosisTrueFalse5. Levosimendan: a. Is an inodilatorTrueFalseb. Is a Ca2+ channel activatorTrueFalsec. Causes vasodilation by opening ATP-dependent K+ channels in vascular smooth muscleTrueFalsed. Increases coronary blood flowTrueFalsee. Is cleared via the kidneys unchangedTrueFalseTime is Up!