This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Male Genital System, Subject name: Anatomy
[{'content': 'Cremastric muscle is supplied by: \nSelect and explain. \nA. Ilioinguinal nerve, B. Iliohypogastric nerve, C. Genital branch of genitofemoral nerve, D. Femoral branch of genitofemoral nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: c (Genital br. of genitofemoral nerve) BDC, Vol-2,4th ed, p. 202BRIDGEAspiration of any fluid from pleural cavity is called paracentesis thoracis. Usually done in the 8th intercostalCremastric muscle:Muscle fasciculi embedded in cremastric fascia.Laterally attached to inguinal ligament, medially to pubic tubercle, crest, conjoint tendon.N/S: genital branch genitofemoral of nerve.Action:Elevates testis.Closes superficial inguinal ring when intra abdominal pressure increases.Pyramidalis:From the body of pubis to linea alba.N/S: sub costal nerve (T12)Action: Tensor of linea alba.Cremastric reflex (LI)Afferent: femoral branch of genitofemoral nerve.Efferent: genital branch of genitofemoral nerve.', 'role': 'assistant'}]