1.Easy
What does the INR measure?
- AThe number of platelets circulating in the blood
- BHow long the blood takes to clot, compared with a standard
- CThe level of white cells in the blood
- DThe amount of iron stored in the body's liver and bone marrow
2.Easy
On an ECG, what does the P wave represent?
- AVentricular repolarisation
- BClosure of the heart valves
- CAtrial depolarisation
- DVentricular depolarisation
3.Easy
What is the usual normal range for serum potassium in adults (in mmol/L, numerically equal to mEq/L)?
- AAbout 6.5–8.0 mmol/L
- BAbout 135–145 mmol/L
- CAbout 3.5–5.0 mmol/L
- DAbout 1.5–2.5 mmol/L
4.Medium
A patient with leukaemia has a very low platelet count. Which nursing precaution is appropriate?
- AUse a soft toothbrush and an electric razor
- BTake temperatures rectally
- CEncourage contact sports to keep fit
- DGive medicines by intramuscular injection
5.Medium
Within which time window is IV thrombolysis generally given for acute ischaemic stroke?
- AAt any time within a week
- BWithin 4.5 hours of symptom onset
- COnly after 24 hours
- DWithin 48 hours of the onset of symptoms
6.Medium
Why are patients asked to fast before a general anaesthetic?
- ATo reduce the risk of aspirating stomach contents
- BTo make the surgery shorter
- CTo lower the blood glucose before surgery
- DTo prevent postoperative constipation and abdominal bloating
7.Hard
An older man has sudden severe abdominal and back pain, is hypotensive and has a pulsating mass in the abdomen. What should be suspected?
- AA ruptured abdominal aortic aneurysm
- BAcute gastritis from anti-inflammatory drugs
- CMusculoskeletal back pain
- DRenal colic from a kidney stone
8.Hard
Which finding most strongly suggests a pulmonary embolism in a postoperative patient?
- AWheeze that improves with salbutamol
- BSudden breathlessness and pleuritic chest pain with tachycardia
- CSlow heart rate with high blood pressure
- DGradual onset of cough with yellow sputum and mild fever over a week
Answer key
- 1. B · How long the blood takes to clot, compared with a standard
- 2. C · Atrial depolarisation
- 3. C · About 3.5–5.0 mmol/L
- 4. A · Use a soft toothbrush and an electric razor
- 5. B · Within 4.5 hours of symptom onset
- 6. A · To reduce the risk of aspirating stomach contents
- 7. A · A ruptured abdominal aortic aneurysm
- 8. B · Sudden breathlessness and pleuritic chest pain with tachycardia
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