Before a scientific theory is accepted and supported, it has a) been tested by only one scientist. b) been published in scientific journals. c) been tested many times by different scientists. d) been approved by the international committee of scientists.

The need activity of the nurse is to suction discharges from the trachea. current treatment approaches in the pressing consideration facilities or crisis offices are corticosteroids and nebulized epinephrine; steroids have demonstrated advantageous in extreme, direct, and even gentle croup. in the clear instances of croup, anti-microbials are not endorsed, as the etiology is viral