This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary Tract, Subject name: Surgery
Strangury means? 
Select and explain. 
A. Painless terminal haematuria, B. Painful haematuria, C. Extreme wretching sensation at the end of micturation causing distress, D. Pain during micturation
C: Extreme wretching sensation at the end of micturation causing distress
Answer: C: Extreme wretching sensation at the end of micturation causing distress 
Explanation: Ans: c (Extreme wretching sensation at the end of micturation) Ref: S. Das, p. 339Strangury - Painful frequent attempts at micturation but passing only a small quantity each timeConditions:* Stone impacted in the lower end of the ureter & stone in the bladder (most common)* Inflammatory conditions in the neighborhood of the bladder and ureter such as retrocaecal appendicitis, pelvic appendicitis & pelvic peritonitisTenesmus - Ineffectual straining at stool with passage of mucous and bloodCauses:* Pelvic appendicitis or pelvic abscess, irritation of rectum