ASPT Blood Collection Equipment & Supplies 2

Question 1

What does 'SST' stand for in the context of blood collection tubes?

Accepted Answer

Serum Separator Tube

Answer

Standard Serum Test

Answer

Sodium Sulfate Tube

Answer

Standard Sample Tube

Question 2

Which needle gauge is MOST appropriate for venipuncture in a pediatric patient?

Accepted Answer

23 gauge

Answer

16 gauge

Answer

18 gauge

Answer

20 gauge

Question 3

The gray-top tube contains which combination of additives?

Accepted Answer

Potassium oxalate and sodium fluoride

Answer

EDTA and sodium fluoride

Answer

Heparin and EDTA

Answer

Sodium citrate and thrombin

Question 4

What is the function of the clot activator found in red or gold-top serum tubes?

Accepted Answer

To accelerate the clotting process for serum collection

Answer

To prevent blood from clotting

Answer

To preserve cellular components intact

Answer

To maintain blood pH during transport

Question 5

Which system allows multiple evacuated tubes to be filled from a single venipuncture without removing the needle?

Accepted Answer

Evacuated (Vacutainer) multi-sample needle system

Answer

Butterfly needle alone

Answer

Insulin syringe

Answer

Capillary tube system

Question 6

When selecting a needle gauge for syringe blood collection, the MOST important consideration is:

Accepted Answer

Matching gauge to vein size and required sample volume

Answer

Always using the largest gauge to speed collection

Answer

Always using the smallest gauge to minimize discomfort

Answer

Using 25 gauge for all adult patients

Question 7

What is the recommended needle insertion angle for standard adult venipuncture?

Accepted Answer

15–30 degrees

Answer

5–10 degrees

Answer

45–60 degrees

Answer

60–90 degrees