1.简单
How is most oxygen carried in the blood?
- ABound to albumin and other plasma proteins
- BDissolved freely in the plasma water
- CBound to haemoglobin in red blood cells
- DCarried as bicarbonate ions in the plasma
2.简单
为什么高血压常被称为“沉默的杀手”?
- A它主要发生在夜间睡眠时
- B只能通过血液检查发现
- C它在损害器官的同时往往没有症状
- D它总会引起头痛,而患者学会了忽略
3.简单
Legionnaires' disease is usually acquired from which source?
- AContaminated water systems such as cooling towers and showers
- BEating undercooked chicken or eggs bought from a market stall
- CMosquito bites when travelling in warm, humid countries
- DContact with cats' litter trays while cleaning them at home
4.中等
A young patient with hypertrophic cardiomyopathy asks why they are told to avoid dehydration. What is the best explanation?
- ADehydration is the cause of the inherited condition
- BFluids dissolve the extra muscle in the heart wall
- CDehydration makes the heart muscle grow thicker within a few hours
- DLow blood volume can worsen obstruction of blood leaving the heart
5.中等
A patient has just started an ACE inhibitor. Which blood tests are usually checked within the first one to two weeks?
- ATroponin and creatine kinase
- BLiver enzymes and amylase
- CINR and platelet count
- DPotassium and creatinine
6.中等
How can a patient reduce wound pain when coughing after abdominal surgery?
- AHold the breath for as long as possible
- BLie flat on the back with the legs straight
- CHold a pillow firmly against the wound while coughing
- DAvoid coughing completely until all the stitches are removed
7.困难
A patient taking ramipril and indapamide for hypertension starts regular ibuprofen for back pain. A week later, creatinine has risen sharply. What is the most likely cause?
- ABack pain causing kidney damage
- BIbuprofen raising the blood pressure to levels that damage the kidneys
- CAn allergic reaction to the diuretic causing inflammation of the kidney
- DAn ACE inhibitor, diuretic and NSAID together reducing kidney perfusion
8.困难
A patient with stable severe COPD has a blood gas showing pH 7.37, a raised PaCO₂ and a raised bicarbonate. How should this be interpreted?
- AChronic respiratory acidosis with metabolic compensation
- BAcute respiratory acidosis needing emergency intubation
- CRespiratory alkalosis from hyperventilation
- DA normal blood gas with no abnormality
答案
- 1. C · Bound to haemoglobin in red blood cells
- 2. C · 它在损害器官的同时往往没有症状
- 3. A · Contaminated water systems such as cooling towers and showers
- 4. D · Low blood volume can worsen obstruction of blood leaving the heart
- 5. D · Potassium and creatinine
- 6. C · Hold a pillow firmly against the wound while coughing
- 7. D · An ACE inhibitor, diuretic and NSAID together reducing kidney perfusion
- 8. A · Chronic respiratory acidosis with metabolic compensation
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