Ch 7

Question 1

Which additive prevents glycolysis?

Answer 1

Sodium flouride

Question 2

The following supplies were gathered for a routine venipuncture. Which item is incorrect?

Answer 2

iodine swab

Question 3

Which of the following tubes can be used to collect a serum specimen?

Answer 3

Red top

Question 4

A tourniquet is used in venipuncture to

Answer 4

find and enter veins more easily

Question 5

You are about to perform routine venipuncture on a patient with no know allergy to antiseptics. Which of the following substances would you use to clean the site?

Answer 5

70% isopropyl alcohol

Question 6

Which of the following needles has the largest diameter?

Answer 6

18 gauge

Question 7

What causes evacuated tubes to fill with blood automatically?

Answer 7

Premeasured tube vacuum

Question 8

Lavender-top tubes are most commonly used to collect

Answer 8

hematology tests

Question 9

Of the following tubes or containers, which is filled last in the recommended order of draw?

Answer 9

Lavender top

Question 10

A butterfly is typically used for

Answer 10

difficult and hand veins

Question 11

EDTA can be found in

Answer 11

Lavender, purple and white tops

Question 12

Blood in this tube normally clots within 5 minutes

Answer 12

RST

Question 13

Which of the following is a biocide?

Answer 13

70% isopropanol

Question 14

Mixing an additive correctly involves turning the wrist this many degrees and back again

Answer 14

90

Question 15

If a CBC, PT, plasma potassium, and glucose (with glycolysis inhibitor) are all to be collected during a multitude-tube draw on a patient, which of the following choices shows the correct stopper colors to use in order of draw?

Answer 15

Red, royal blue, green, lavender