Free NPA Laboratory Practices & Specimen Handling Questions and Answers

Question 1

What is the correct procedure for handling blood specimens?

Accepted Answer

Refrigerate blood specimens immediately

Answer

Store blood specimens at room temperature

Answer

Store blood specimens in a freezer

Answer

Leave specimens exposed to light

Question 2

What is the primary reason for properly labeling blood specimens?

Accepted Answer

To ensure proper test analysis

Answer

To keep the laboratory clean

Answer

To speed up the testing process

Answer

To reduce costs for the laboratory

Question 3

What is the best practice for transporting specimens to the laboratory?

Accepted Answer

Transport specimens in a biohazard bag with appropriate refrigeration

Answer

Use the quickest method possible, regardless of temperature

Answer

Transport specimens at room temperature in an open container

Answer

Transport specimens without any protective packaging

Question 4

What should be done if a blood specimen is clotted?

Accepted Answer

Refrigerate it before re-collecting

Answer

Discard the specimen immediately

Answer

Test the sample anyway

Answer

Add more blood to the specimen

Question 5

How can contamination of a blood specimen be prevented?

Accepted Answer

By properly cleaning the site before blood collection

Answer

By using a separate needle for each patient

Answer

By avoiding gloves during specimen collection

Answer

By reusing needles after sterilization

Question 6

What is the correct way to handle a blood specimen that has been exposed to extreme temperatures?

Accepted Answer

Allow the specimen to warm up to room temperature before testing

Answer

Freeze the specimen to preserve it

Answer

Discard the specimen immediately

Answer

Heat the specimen to a boiling point

Question 7

How should blood specimens be stored for long-term preservation?

Accepted Answer

In a refrigerated area or a freezer for long-term storage

Answer

In a warm, dry place

Answer

In direct sunlight to prevent bacterial growth

Answer

At room temperature in an open container

Question 8

What is the purpose of using anticoagulants in blood specimens?

Accepted Answer

To preserve blood plasma for testing

Answer

To reduce the volume of blood collected

Answer

To improve the color of the blood sample

Answer

To increase blood flow during collection

Question 9

What is the role of specimen handling in ensuring the accuracy of test results?

Accepted Answer

Proper handling ensures accurate and reliable test results

Answer

Specimen handling does not affect test accuracy

Answer

Specimen handling only affects the timing of test results

Answer

Incorrect handling can sometimes improve test accuracy