In the presence of convincing history of a severe systemic reaction, the next diagnostic step for those with initially negative skin test is

Correct Answer: B

Rationale: If initial skin testing is negative but the clinical history strongly suggests venom allergy, repeating the skin test after 4-6 weeks increases the likelihood of detecting sensitization.

Correct Answer: D

Rationale: Rheumatoid arthritis can cause interstitial lung disease, cardiovascular complications, and neuropathy, making 'All of the above' the correct answer.

Correct Answer: B

Rationale: While bladder cancer is a recognized complication, it is less common compared to bone marrow suppression, leukemia, and infertility.

Correct Answer: D

Rationale: Facial erythema sparing the nasolabial folds is not a typical feature of JDM.

Correct Answer: A

Rationale: A rapid drop in sodium levels can lead to cerebral edema. The recommended safe correction rate is ≤8 mmol/L per 24 hours to prevent osmotic demyelination and neurological damage.