Question

we need to take a blood sample. what should we do first?
a) directly take the blood using the vacutainer
b) use ethanol to disinfect the skin
c) measure his temperature
d) place a bandage on the patient

Explanation:

To collect a blood sample safely, the first critical step is to prevent infection at the puncture site. Disinfecting the skin with ethanol eliminates surface pathogens, which is a standard pre-procedure step. Directly taking blood (a) skips infection control, measuring temperature (c) is unrelated to the immediate blood draw, and applying a bandage (d) is a post-procedure action.

Answer:

b) Use ethanol to disinfect the skin