Which of the following is NOT an appropriate treatment for priapism?

Correct Answer: C

Rationale: Ice-water enema isn't appropriate for priapism no evidence, ineffective vs. ischemic (e.g., sickle cell). Terbutaline (β-agonist), aspiration (decompression), and Neo-Synephrine (vasoconstriction) target corpora standard. Lack of efficacy distinguishes enema, key to priapism management, unlike proven interventions.

Correct Answer: C

Rationale: Juxtamedullary nephrons (15-20%) have large glomeruli near the cortex-medulla junction and long loops with vasa recta not 80%, surface glomeruli, or peritubular capillaries. This distinguishes their role in urine concentration, critical for medullary gradient, contrasting with cortical nephrons.

Correct Answer: B

Rationale: Schistosomiasis morbidity stems from eggs causing inflammation/fibrosis, not worms, miracidia (free-living), or 'schistooulium' (typo). This identifies pathogenic stage, key for complications, contrasting with adult worm effects.

Correct Answer: C

Rationale: Ureter has transitional epithelium, two muscle layers above, three below, and a stellate lumen not a serosa (retroperitoneal). This corrects ureter anatomy, key for histology, contrasting with peritoneal structures.

Correct Answer: A

Rationale: Praziquantel disrupts schistosome membranes via Ca2+ influx not Mg2+, Na+, or K+. This specifies antiparasitic action, key for schistosomiasis treatment, contrasting with other ions.