Which feature best describes glucocorticoid steroids?
A. Low anti-inflammatory effect and high fluid retention
B. High anti-inflammatory effect and low fluid retention
C. High mineralocorticoid activity
D. No systemic effects
Correct answer: High anti-inflammatory effect and low fluid retention. Explanation: Glucocorticoids primarily reduce inflammation with minimal fluid retention.
Which glucocorticoids have the highest glucocorticoid activity?
A. Hydrocortisone and fludrocortisone
B. Prednisolone and prednisone
C. Dexamethasone and betamethasone
D. Deflazacort and prednisone
Correct answer: Dexamethasone and betamethasone. Explanation: These have the highest glucocorticoid potency.
Which glucocorticoids are considered high activity?
A. Hydrocortisone and fludrocortisone
B. Prednisolone, prednisone and deflazacort
C. Dexamethasone and betamethasone
D. Fludrocortisone only
Correct answer: Prednisolone, prednisone and deflazacort. Explanation: These are high-activity glucocorticoids.
When are glucocorticoids preferred?
A. When fluid retention is required
B. When mineralocorticoid effects are needed
C. When fluid retention is not wanted
D. When blood pressure needs increasing
Correct answer: When fluid retention is not wanted. Explanation: Glucocorticoids have low mineralocorticoid activity.
Which is a recognised long-term side effect of glucocorticoids?
A. Hyperthyroidism
B. Osteoporosis and fractures
C. Hypoglycaemia
D. Bradycardia
Correct answer: Osteoporosis and fractures. Explanation: Long-term steroid use weakens bone.
Which serious musculoskeletal complication can occur with corticosteroids?
A. Rheumatoid arthritis
B. Avascular necrosis of the femoral head
C. Osteomalacia
D. Gout
Correct answer: Avascular necrosis of the femoral head. Explanation: Steroids impair blood supply to bone.
Which describes mineralocorticoid steroids?
A. High anti-inflammatory, low fluid retention
B. Low anti-inflammatory, high fluid retention
C. No effect on electrolytes
D. No cardiovascular effects
Correct answer: Low anti-inflammatory, high fluid retention. Explanation: Mineralocorticoids mainly affect sodium and water balance.
Which steroid has the highest mineralocorticoid activity?
A. Hydrocortisone
B. Prednisolone
C. Fludrocortisone
D. Dexamethasone
Correct answer: Fludrocortisone. Explanation: Fludrocortisone has the strongest mineralocorticoid effect.
Which side effect is associated with fludrocortisone?
A. Hypotension
B. Postural hypotension
C. Bradycardia
D. Hyperkalaemia
Correct answer: Postural hypotension. Explanation: Fludrocortisone affects fluid and electrolyte balance.
Which electrolyte abnormality can occur with mineralocorticoids?
A. Hyperkalaemia
B. Hypokalaemia
C. Hypercalcaemia
D. Hyponatraemia
Correct answer: Hypokalaemia. Explanation: Aldosterone effects increase potassium loss.
Why are mineralocorticoid effects negligible with dexamethasone?
A. Short half-life
B. High mineralocorticoid activity
C. High glucocorticoid potency
D. Poor absorption
Correct answer: High glucocorticoid potency. Explanation: Potent glucocorticoids have minimal mineralocorticoid effects.
Which MHRA warning is associated with corticosteroids?
A. QT prolongation
B. Early psychiatric side effects
C. Renal failure
D. Pulmonary fibrosis
Correct answer: Early psychiatric side effects. Explanation: Mood changes, mania and suicidal thoughts can occur early.
What visual symptom may indicate central serous chorioretinopathy?
A. Complete blindness
B. Blurred or distorted vision in one eye
C. Eye pain
D. Redness
Correct answer: Blurred or distorted vision in one eye. Explanation: This is a known corticosteroid adverse effect.
What risk is associated with prolonged corticosteroid use?
A. Hyperaldosteronism
B. Secondary adrenal insufficiency
C. Hyperthyroidism
D. Diabetes insipidus
Correct answer: Secondary adrenal insufficiency. Explanation: Long-term steroids suppress the HPA axis.
Why is abrupt withdrawal of corticosteroids dangerous?
A. Causes hypertension
B. Causes acute adrenal insufficiency
C. Causes hypoglycaemia
D. Causes fluid overload
Correct answer: Causes acute adrenal insufficiency. Explanation: Sudden withdrawal can be fatal.
What should be done with corticosteroid doses during intercurrent illness or surgery?
A. Stop corticosteroids
B. Reduce the dose
C. Temporarily increase the dose
D. Switch to topical therapy
Correct answer: Temporarily increase the dose. Explanation: Stress dosing prevents adrenal crisis.
How do corticosteroids affect infection risk?
A. Reduce severity of infections
B. Increase susceptibility and mask symptoms
C. Prevent viral infections
D. Have no effect
Correct answer: Increase susceptibility and mask symptoms. Explanation: Immunosuppression can delay diagnosis.
Why is chickenpox dangerous in patients on corticosteroids?
A. Causes mild illness only
B. Can be fatal due to immunosuppression
C. Causes rash only
D. No increased risk
Correct answer: Can be fatal due to immunosuppression. Explanation: Urgent action is required if exposed.
What prophylaxis is needed after chickenpox exposure in non-immune patients on steroids?
A. Antivirals only
B. Varicella zoster immunoglobulin
C. Antibiotics
D. Vaccination
Correct answer: Varicella zoster immunoglobulin. Explanation: Passive immunisation is required.
What advice is given after measles exposure in a patient on corticosteroids?
A. No action needed
B. Immediate medical advice and possible immunoglobulin
C. Vaccinate immediately
D. Stop steroids abruptly
Correct answer: Immediate medical advice and possible immunoglobulin. Explanation: Measles can be severe in immunosuppressed patients.
When should live vaccines be avoided with corticosteroids?
A. Always
B. When on high-dose corticosteroids
C. Only in children
D. Only with topical steroids
Correct answer: When on high-dose corticosteroids. Explanation: Immune response is impaired.
How long should live vaccines be postponed after stopping corticosteroids?
A. 1 month
B. 6 weeks
C. 3 months
D. 12 months
Correct answer: 3 months. Explanation: Immune function recovery takes time.
What features suggest iatrogenic Cushing’s syndrome?
A. Weight loss and fatigue
B. Moon face, striae and hirsutism
C. Hypotension
D. Hyperpigmentation
Correct answer: Moon face, striae and hirsutism. Explanation: Chronic steroid excess causes Cushingoid features.
When is intracranial pressure rise most likely with corticosteroids?
A. At initiation
B. During stable dosing
C. After treatment withdrawal
D. With topical use
Correct answer: After treatment withdrawal. Explanation: Raised intracranial pressure may occur post-withdrawal.