1.简单
Tapping the cheek in front of the ear makes the facial muscles twitch. What is this sign called?
- ATrousseau's sign
- BKernig's sign
- CChvostek's sign
- DBattle's sign
2.简单
Which symptoms in a patient with back pain suggest cauda equina syndrome?
- ABack pain that eases when walking around the house
- BPain that is worse after a long day at work
- CMild stiffness in the morning that soon wears off
- DNumbness between the legs and new bladder problems
3.简单
What is the main cause of the movement problems in Parkinson's disease?
- ALoss of dopamine-producing cells in the substantia nigra
- BLoss of the myelin sheath around nerves in the brain and spinal cord
- CToo much dopamine released in the basal ganglia
- DAntibodies that attack acetylcholine receptors in muscle
4.中等
A patient has a nephrostomy tube. Which finding needs urgent action?
- AA dry, intact dressing at the site
- BDrainage that stops suddenly with new loin pain
- CLight pink urine on the first day after insertion
- DSteady urine drainage into the bag
5.中等
A man starts finasteride for an enlarged prostate. Which statement is correct?
- AIt is used only for a few days at a time
- BIt works within hours by relaxing the bladder muscle
- CIt lowers the blood pressure, so dizziness is very common
- DIt takes months to work; pregnant women must not handle broken tablets
6.中等
Which side effects are common with oxybutynin for an overactive bladder?
- AWeight loss and a fast tremor
- BA cough and a raised potassium
- CDry mouth and constipation
- DDiarrhoea and heavy sweating
7.困难
A patient has had a high sodium of 160 mmol/L for several days. Why must it be corrected slowly?
- ARapid correction can cause brain swelling
- BRapid correction causes kidney stones
- CThe sodium will rise again if corrected quickly
- DRapid correction raises the blood glucose
8.困难
On day 6 after a subarachnoid haemorrhage, a patient becomes newly confused and develops weakness in one arm. The aneurysm was secured on day 1. What is the most likely cause?
- ANormal tiredness after major surgery
- BHypoglycaemia from reduced eating
- CRe-bleeding from the secured aneurysm
- DDelayed cerebral ischaemia from vasospasm
答案
- 1. C · Chvostek's sign
- 2. D · Numbness between the legs and new bladder problems
- 3. A · Loss of dopamine-producing cells in the substantia nigra
- 4. B · Drainage that stops suddenly with new loin pain
- 5. D · It takes months to work; pregnant women must not handle broken tablets
- 6. C · Dry mouth and constipation
- 7. A · Rapid correction can cause brain swelling
- 8. D · Delayed cerebral ischaemia from vasospasm
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