Blood Collection

Question 1

The larger the gauge number, the smaller the needle bore.

T or F?

Answer 1

T

Question 2

A light blue stopper (containing Sodium Citrate) is ALWAYS the first tube.

T or F?

Answer 2

F

Never the first

Question 3

SST
(A)color cover
(B)mode of action

Answer 3

(A)red-gray or gold

(B)Contains gel at the bottom to separate blood from serum and clot activator

Question 4

Sodium Heparin

(1) color cover
(2) mode of action

Answer 4

(1) Dark green

(2) Inactivates thrombin and thromboplastin

Question 5

PST (Plasma Separating Tube)

(1) additive & color cover
(2) mode of action

Answer 5

(1) Lithium heparin, light green

(2) Anticoagulates with lithium; Plasma is separated with PST gel at the bottom of the tube

Question 6

EDTA

(1) mode of action
(2) purposes

Answer 6

(1) Forms calcium salts to remove calcium

(2) Hematology (CBC) and Bloodbank (Crossmatch)requires full draw

Question 7

ACDA/ACDB

(1) color cover
(2) additive

Answer 7

(1) pale yellow

(2) acid-dextrose-yellow

Question 8

ACDA/ACDB

(1) mode of action
(2) uses

Answer 8

(1) Complement Inactivation

(2) HLA tissue typing (transplant), paternity testing, DNA testing

Question 9

Anti-glycolytic agent preserves glucose up to 5 days

Applicable for which additives?

Answer 9

Sodium fluoride and Potassium Oxalate

Question 10

Location of phlebotomy site

Answer 10

Heel of the foot - medial and lateral portion of the plantar surface

Question 11

All are microsampling technique advantages except:
A.Useful in blood extraction in infants less than 6 months
B.Young children when small amount of blood is needed
C.Adults with poor veins or with several intravenous infusions
D.Severely frozen patients

Answer 11

D

Severely burned patients

Question 12

False about microsampling technique precautions
A.use the tip of the finger or the center of the finger
B.Avoid puncturing a finger that is cold or cyanotic (poor blood supply), swollen, scarred, or covered with a rash
C.Avoid using the side of the finger D.The 5th finger tends to have less soft tissue overlying the bone

Answer 12

A

Do not use

Question 13

Which is not true?

A.In Microsampling technique, there is no venous and arterial blood mixing.
B.This method can also be used in the assessment of Arterial Blood Gas (ABG)
C. Do not use big toe, tongue and earlobe as puncture site.

Answer 13

A

Question 14

used to measure oxygen, carbon dioxide and pH of blood

Answer 14

Arterial puncture

Question 15

Enumerate 3 most common sites for arterial puncture

Answer 15

Brachial artery, radial artery or femoral artery

Question 16

False about indwelling lines/catheters

A.Potential source of test error
B.Most lines are flushed with a solution of warfarin to reduce the risk of thrombosis
C. Discard a sample at least three times the volume of the line before a specimen is obtained for analysis

Answer 16

B

Heparin dapat

Question 17

False about hematoma prevention

A.Puncture only the downmost wall of the vein
B.Remove the tourniquet before removing the needle
C.Use the major superficial veins D.Apply pressure to the venipuncture site

Answer 17

A

Uppermost dapat

Question 18

Prolonged tourniquet application may lead to significant increases in some tests. Enumerate!

Answer 18

total protein, aspartate aminotransferase (AST), total lipids, cholesterol, iron

Question 19

The creatinine kinase (CK), AST, lactate dehydrogenase (LDH) and platelet count may decrease due to exercise

T or F?

Answer 19

F

Decrease dapat

Question 20

Enzymes, proteins, lipids, iron, and calcium are significantly___ with changes in position (increased, decreased)

Answer 20

Increased

Question 21

False about Evacuated collection tubes A.Designed to fill with any volume of blood
B.Rubber stoppers are color coded C.Blood should NEVER be poured from one tube to another

Answer 21

A

Predetermined dapat