A patient has a total cholesterol of 5.8 mmol/L. What is the target total cholesterol level?
A. Below 6
B. Below 5
C. Below 4
D. Below 3
Correct answer: Below 5 mmol/L. Explanation: The target total cholesterol level is less than 5 mmol/L.
What is the target HDL cholesterol level?
A. Below 1
B. Above 0.5
C. Above 1
D. Above 2
Correct answer: Above 1 mmol/L. Explanation: HDL is the ‘good’ cholesterol and should be above 1 mmol/L.
What is the target non-HDL cholesterol level?
A. Below 4
B. Below 3
C. Below 2.6
D. Below 2
Correct answer: Below 2.6 mmol/L. Explanation: Non-HDL cholesterol target is less than 2.6 mmol/L.
What is the target LDL cholesterol level?
A. Below 3
B. Below 2.6
C. Below 2
D. Below 1
Correct answer: Below 2 mmol/L. Explanation: LDL cholesterol target is less than 2 mmol/L.
What is the target non-fasting triglyceride level?
A. Below 3.5
B. Below 3
C. Below 2.6
D. Below 2.3
Correct answer: Below 2.3 mmol/L. Explanation: The non-fasting triglyceride target is less than 2.3 mmol/L.
Which patient should be offered primary prevention lipid-lowering therapy?
A. 45-year-old with QRISK3 score 5%
B. 70-year-old with QRISK3 score 12%
C. 30-year-old with no risk factors
D. 50-year-old with normal cholesterol
Correct answer: 70-year-old with QRISK3 score 12%. Explanation: Primary prevention is offered when 10-year QRISK3 score is over 10%.
A patient with type 2 diabetes has a 10-year QRISK3 score of 12%. What is the correct management?
A. Lifestyle advice only
B. Start lipid-lowering therapy
C. Wait until symptoms develop
D. Start ezetimibe
Correct answer: Start lipid-lowering therapy. Explanation: Type 2 diabetes with QRISK3 >10% qualifies for primary prevention.
Which patient with type 1 diabetes should be offered lipid-lowering therapy?
A. Newly diagnosed patient aged 20
B. Patient aged 30 with no complications
C. Patient aged 45 with 12 years of diabetes
D. Patient aged 25 with good control
Correct answer: Patient aged 45 with 12 years of diabetes. Explanation: Type 1 diabetes patients over 40, with >10 years duration or nephropathy should be offered treatment.
Which condition automatically qualifies a patient for lipid-lowering therapy regardless of QRISK3 score?
A. Asthma
B. Chronic kidney disease
C. Osteoarthritis
D. Migraine
Correct answer: Chronic kidney disease. Explanation: CKD is an indication for primary prevention lipid-lowering therapy.
Who should receive secondary prevention lipid-lowering therapy?
A. Patients with QRISK3 >10%
B. Patients with previous cardiovascular events
C. Patients with family history only
D. Patients over 85 only
Correct answer: Patients with previous cardiovascular events. Explanation: Secondary prevention is offered to patients with established cardiovascular disease.
Which statin is considered high intensity and used for secondary prevention?
A. Simvastatin 20mg
B. Pravastatin 40mg
C. Atorvastatin 80mg
D. Fluvastatin 20mg
Correct answer: Atorvastatin 80mg. Explanation: Atorvastatin 80mg is the strongest statin and used in secondary prevention.
Which statins can be taken at any time of the day?
A. Simvastatin and pravastatin
B. Fluvastatin and pravastatin
C. Atorvastatin and rosuvastatin
D. Simvastatin and fluvastatin
Correct answer: Atorvastatin and rosuvastatin. Explanation: These statins have longer half-lives and can be taken any time of day.
What should be checked before starting a statin?
A. ECG only
B. Lipids, thyroid, renal and liver function
C. Blood pressure only
D. INR
Correct answer: Lipids, thyroid, renal and liver function. Explanation: Baseline tests are required before starting statins.
When should liver function tests be monitored after starting statin therapy?
A. Only once
B. Monthly
C. At baseline, 3 months and 12 months
D. Every week
Correct answer: At baseline, 3 months and 12 months. Explanation: LFTs are monitored at these time points for statin safety.
When should statin therapy be stopped due to liver enzyme elevation?
A. Any increase
B. Twice the upper limit
C. Three times the upper limit
D. Five times the upper limit
Correct answer: Three times the upper limit. Explanation: Statins should be stopped if transaminases exceed three times the upper limit.
A patient reports muscle pain before starting a statin. Creatine kinase is five times the upper limit. What should be done?
A. Start statin at normal dose
B. Start at lower dose
C. Wait 7 days and remeasure CK
D. Ignore CK result
Correct answer: Wait 7 days and remeasure CK. Explanation: If CK is ≥5 times upper limit, delay and recheck before starting.
Which statin side effect requires urgent medical attention?
A. Mild headache
B. Muscle pain and weakness
C. Dry mouth
D. Constipation
Correct answer: Muscle pain and weakness. Explanation: These may indicate myopathy or rhabdomyolysis.
Which respiratory symptom may indicate statin-induced interstitial lung disease?
A. Wheezing
B. Shortness of breath and cough
C. Chest tightness only
D. Runny nose
Correct answer: Shortness of breath and cough. Explanation: Interstitial lung disease presents with dyspnoea, cough and weight loss.
Why are statins avoided in pregnancy?
A. Cause hypotension
B. Cause bleeding
C. Teratogenic effects
D. Cause renal failure
Correct answer: Teratogenic effects. Explanation: Statins are teratogenic and should be stopped three months before conception.
Which drug interaction requires statin therapy to be stopped temporarily?
A. Amoxicillin
B. Macrolide antibiotics
C. Paracetamol
D. Metformin
Correct answer: Macrolide antibiotics. Explanation: Macrolides increase statin levels and risk of rhabdomyolysis.
Which medication must not be combined with statins and requires statins to be stopped and restarted 7 days later?
A. Metronidazole
B. Fusidic acid
C. Clarithromycin
D. Ciprofloxacin
Correct answer: Fusidic acid. Explanation: Oral fusidic acid greatly increases the risk of rhabdomyolysis.
What is the maximum simvastatin dose when used with amlodipine?
A. 10mg
B. 20mg
C. 40mg
D. 80mg
Correct answer: 20mg. Explanation: Simvastatin dose must be limited to 20mg with amlodipine.
What is second-line treatment if statins are not tolerated or insufficient?
A. Fibrates
B. Ezetimibe
C. PCSK9 inhibitors
D. Aspirin
Correct answer: Ezetimibe. Explanation: Ezetimibe is used as second-line therapy.
Why should ezetimibe be used cautiously with statins?
A. Reduced efficacy
B. Increased bleeding
C. Increased risk of myopathy
D. Renal toxicity
Correct answer: Increased risk of myopathy. Explanation: Combined use increases the risk of muscle toxicity.