465. The Otic Ganglion_____________?

A. Is in relation to maxillary nerve
B. Receives preganglionic parasympathetic fibers, through the greater superficial petrosal nerve
C. Sends postganglionic parasympathetic fibers to auriculotemporal nerve
D. Is related to the tensor tympani
✅ The correct answer is option C. Sends postganglionic parasympathetic fibers to auriculotemporal nerve.

470. When porcelain is basked against metal, it should possess a________________?

A. high fusion expansion
B. high fusion temperature
C. linear coefficient of thermal expansion less than but close to that of metal
D. Linear coefficient of thermal expansion greater than, but close to that of the metal
✅ The correct answer is option C. linear coefficient of thermal expansion less than but close to that of metal.