Author Question: Which of the following should a health care worker do before using reagent strips and/or controls in ... (Read 108 times)

folubunmi · **on:** Jun 25, 2018

Which of the following should a health care worker do before using reagent strips and/or controls in point-of-care testing?

A) Check the date that the bottle was opened.
B) Ensure the reagents and/or controls have been stored properly.
C) Check the expiration date.
D) All of the above.

Question 2

Describe at least four interference(s) that can occur in newborn screening collections.

What will be an ideal response?

tuwy · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

Answer: D

Answer to Question 2

Answer:

Blood specimen not properly dried before mailing
Filter paper circles not completely filled, not saturated with blood, or not all circles filled
Contamination of filter paper circles before or after blood collection by substances such as hand lotion, powder, alcohol, antiseptic hand solution; touching of areas with gloved or ungloved hands
Blood applied to both sides of filter paper
Excess blood applied (usually occurs with a capillary tube)
Heelstick is squeezed or milked, resulting in tissue-diluted specimens
Alcohol is not wiped off of heelstick site before puncture is made.