Rotavirus because rota viruses are the most common cause of diarrhoeal disease among infants and young children.
Answer:
It could be a fractured knee or out of place
Explanation:
His leg felt like giving out when attempting to walk. He explains that he twisted his knee while trying to change direction. He heard a loud pop as his knee gave in.
Answer:
The correct answer is - exogenous stain.
Explanation:
Exogenous stains are the intrinsic stains that affect teeth from inside as stain formed inside due to the external sources. In this type of stain, it formed after a tooth has erupted. These stains can occur when the very inner part known as dentin is turned dark or yellowish.
These stains can not be polished and removed. These can occur if an individual has plaque or calculus in the tooth.
Thus, the correct answer is - exogenous stain.