Blood Sample Collection Procedures

Blood Sample Collection Procedures

Assessment

Interactive Video

Chemistry

10th - 11th Grade

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explains the importance of drawing blood samples in a specific order to prevent contamination and ensure accurate test results. It covers the different types of blood tubes, their preservatives, and the correct sequence for drawing samples. The tutorial emphasizes the need for nursing judgment and consulting with labs for specific test requirements. It concludes with a recap of key points and advice for avoiding contamination.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it crucial to draw blood samples in a specific order?

To use fewer syringes

To prevent contamination and ensure accurate results

To make the process more comfortable for the patient

To save time during the process

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of the preservatives in blood tubes?

To make the blood smell better

To prevent the blood from clotting or affecting other tests

To increase the volume of the blood sample

To change the color of the blood

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which tube is used for coagulation studies?

Gray top tube

Lavender top tube

Light blue top tube

Green top tube

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main additive in the lavender top tube?

Heparin

EDTA

Potassium oxalate

Sodium citrate

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which blood tube is typically used first when drawing samples?

Gray top tube

Lavender top tube

Light blue top tube

Blood culture jars

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the recommended order for drawing blood samples?

Red or green, blood culture, gray, lavender, light blue

Gray, lavender, red or green, light blue, blood culture

Lavender, gray, blood culture, red or green, light blue

Blood culture, light blue, red or green, lavender, gray

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential risk of not following the correct order of drawing blood samples?

The tubes may break

The blood may change color

The test results may be inaccurate

The patient may feel dizzy

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