This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
A 26 year old female presents with insidious onset of diplopia on alternate cover test, the patient has a right hypertropia, worse on right head tilt and left gaze. Which muscle is paralysed 
Select and explain. 
A. Left superior rectus, B. Right superior oblique, C. Right inferior rectus, D. Left inferior oblique
B: Right superior oblique
Answer: B: Right superior oblique 
Explanation: Two important patterns:
Right (hyper) left (gaze) Right (tilt) - rt. so palsy.
Left (hyper) right (gaze) left (tilt) - lt. so palsy.