Of the following, the microorganism that is MOST likely causing chronic arthritis after bacterial enteric infection or genitourinary tract infection (UTI) is

Correct Answer: B

Rationale: Chlamydia trachomatis is a common cause of chronic reactive arthritis.

Correct Answer: D

Rationale: Nasal congestion is better treated with decongestants rather than antihistamines.

Correct Answer: C

Rationale: NSAIDs are common causes of fixed drug eruptions, which present as recurring skin lesions at the same site.

Correct Answer: C

Rationale: Phototherapy is the first-line treatment for neonatal jaundice with high bilirubin levels, as it converts bilirubin into a water-soluble form for excretion. Exchange transfusion is reserved for severe cases with signs of kernicterus.

Correct Answer: D

Rationale: Fluoxetine belongs to the class of selective serotonin reuptake inhibitors (SSRIs), not tricyclic antidepressants.