Hypoacusis is caused by paralysis of which of the following muscle ?: (A) mylohyoid, (B) tensor tympani, (C) tensor vili palatini, (D) macula densa
Answer is B. Hypoacusis, i.e., paial deafness to low pitched sounds due to paralysis of tensor tympani muscle. REF : B D Chaurasia's Human Anatomy , seventh edition , volume 4 , pg, no., 69.