Under what conditions would you take samples of vomitus, sputum, and serum creatinine?
a. when external contamination is suspected
b. when internal contamination is suspected
c. when you need to locate contaminated areas
d. when there is the possibility of a lawsuit for incorrect actions

The condition wherein samples of vomitus, sputum, and serum creatinine should be taken is when there is a suspected internal contamination. It is but normal for the human body to vomit once toxins get inside the body and vomiting is one of the signs that there is internal contamination therefore, the answer is B.

Determine the  wavelength of light emitted when an electron  in an li2+ ion  makes a transition from an orbital with n  =  6 to an orbital with n  = 5.

The answer is d.potassium