MCQs Week 17 Loading... 1. All of the following are true of the spleen EXCEPT It is related to the 9th, 10th and 11th ribsIt's blood supply is from a branch of the coeliac trunkThe splenic vessels are contained in the lienorenal ligamentIt's anterior relations include the head of the pancreas Loading... 2. Which of the following is the principal buffer in interstitial fluid? HbProteinsCarbonic acidH2PO4 Loading... 3. Directly in front of the right kidney lies The second part of the duodenumThe portal veinThe bile ductThe splenic flexure of the colon Loading... 4. Aqueous humour secretion is decreased by PilocarpineTimololLatanoprostAdrenaline Loading... 5. Which of the following statements regarding genetic disorders is correct? Maternal age has minimal influence on the incidence of Trisomy 21Children with Trisomy 21 have an increased risk of developing acute leukaemiaThe classic pattern of Turner syndrome is 47 XXY karyotypeX-linked diseases affect only the female population Loading... 6. Which of the following is correct regarding the pancreas? The head is palpable in the epigastric regionThe body and tail are left and inferior to the transpyloric levelThe posterior surface is covered by peritoneumThe neck overlies the L1/2 vertebrae Loading... 7. The oesophageal opening in the diaphragm Is at T8 levelTransmits the vagiTransmits the thoracic ductTransmits branches of the right gastric artery Loading... 8. Gallbladder constriction is primarily controlled by EnterogastroneCCK InsulinSecretin Loading... 9. Which of the following ocular medications can precipitate glaucoma? HomatropinePilocarpineTimololLatanoprost Loading... 10. Which of the following body fluid compartments equates most accurately with 20% of the total body weight in an average adult? Total body waterIntracellular waterExtracellular waterPlasma and total blood volume Loading... 11. Branches of the abdominal aorta include all of the following EXCEPT The deep circumflex iliac arteryThe suprarenal arteryThe inferior mesenteric arteryThe inferior phrenic arteries Loading... 12. In regards to the principal actions of insulin Increases the transport of amino acids into insulin sensitive cellsInhibits protein synthesisStimulates protein degradationIncreases ketogenesis Loading... 13. The oesophagus is accompanied through it's opening in the diaphragm by the Azygous veinHemiazygous veinRight vagus nerveGreater splanchnic nerve Loading... 14. The R wave of the ECG is due to Calcium influxChloride influxSodium influxPotassium influx Loading...