It is possible that the error is due to patient’s neck was extended too far.
There are certain rules for the patient positioning during the open-mouth technique. For example, patient’s shoulders should be at equal distances from the image receptor to avoid rotation and the head should be positioned so the skull and the lower margin of the upper incisors are perpendicular (90 degrees) to the image receptor.
Answer:
D
Explanation:
return to system- since it gets back into system in an different form since it cannot be destroyed
- It can be A also, not so sure
Answer: Option D
Explanation:
Institutional review board is also known as the independent ethics committee. This committee applies research ethics by reviewing the methods proposed for the research to know whether they are ethical or not.
This board is formally designed in order to reject or approve, review, monitor the behavioral research involving the human beings.
They then prevent any unethical practices which should not be carried out.