Which of the following is true about tetanus acquired through traumatic wound?

False about blood brain barrier is________?

Coefficient of thermal expansion of which of following is most similar to that of tooth?

A 9 year old child’s mother comes to dental clinic with the complaint of oral ulceration, fever and shedding of skin of palms and soles: she is giving history of premature shedding of teeth and increased sweating she is also giving one month history of using any new teething gel available in market. The child is suffering form________?

Most common non protein nitrogenous fraction of blood________?

The component in very minor quantity in stainless steel that changes the properties to a maximum level is________?