Answer:
b. A Wood's light examination
Explanation:
A wood lamp examination is a test that uses ultraviolet light to examined a skin infected with bacteria or fungal infection.
The nurse should check if the 2 - month old infant has voided.
This should be done because kidney function may fail with diarrhea. So, it is important to check if the kidney functions properly before adding potassium (to prevent hyperkalemia).
Scientists and biologists study the world using experimentation. This can be done through observation, or by performing scientific tests in a lab.
