Module 3- Specimen Collection

Question 1

Errors made during the testing process

Answer 1

Analytical errors

Question 2

Errors made in interpretation of analytical results

Answer 2

Post-analytical errors

Question 3

Most important step in specimen collection

Answer 3

PROPER PATIENT IDENTIFICATION

Question 4

type of blood specimen used in chemistry

Answer 4

Serum

Question 5

Type of blood specimen used in hematology and can be used in absence of serum

Answer 5

Plasma

Question 6

Type of blood specimen used for hematology and chemistry

Answer 6

Whole blood

Question 7

Anticoagulant present in plasma

Answer 7

Fibrinogen

Question 8

Medtechs are not allowed to perform this procedure

Answer 8

Arterial puncture

Question 9

A procedure frequently done on pediatrics or geriatric

Answer 9

Skin puncture

Question 10

Most common blood collection method done by medtechs

Answer 10

Venipuncture

Question 11

Most common AP site for adults

Answer 11

Radial artery (45 degrees)

Question 12

2nd alternative AP site for adults

Answer 12

Brachial artery (45 degrees)

Question 13

Least AP site for adults

Answer 13

Femoral artery (90 degrees)

Question 14

Most common AP site for newborns

Answer 14

Umbilical artery

Question 15

Test for collateral circulation of radial artery

Answer 15

Allen’s test

Question 16

Preferred skin puncture site in babies or children

Answer 16

Lateral plantar heel surface

Question 17

Preferred skin puncture site for adults

Answer 17

Palmar surface of fingers (3rd and 4th)

Question 18

Another preferred skin puncture site

Answer 18

Earlobes

Question 19

Preferred site for venipuncture

Answer 19

Antecubital fossa region

Question 20

Preferred vein for venipuncture

Answer 20

Median cubital

Question 21

2nd preferred vein

Answer 21

Cephalic

Question 22

Least preferred vein

Answer 22

Basilic

Question 23

Needle used for infants

Answer 23

Butterfly needle

Question 24

Anticoagulant for glucose testing

Answer 24

Sodium fluoride

Question 25

Meaning of EDTA

Answer 25

Ethylene-diamine-tetraacetic acid

Question 26

Anticoagulant for coagulation studies

Answer 26

Citrate

Question 27

Anticoagulant for ph or blood gas analysis

Answer 27

Heparin

Question 28

Two most common reason for hemoglobin pigments

Answer 28

1. Traumatic tap 2. Subarachnoid haemorrhage

Question 29

Collection method for cerebrospinal fluid

Answer 29

Lumbar puncture

Question 30

Collected anytime during the day

Answer 30

Random sample

Question 31

Preferred for pregnancy testing

Answer 31

First voided specimen

Question 32

Used when physician requires urine samples to be taken at specific intervals during the day

Answer 32

Timed specimen

Question 33

For creatinine clearance test and many other hormone studies

Answer 33

24-hour urine specimen

Question 34

Used for culture and bacterial growth; routine screening

Answer 34

Clean-catch midstream specimen

Question 35

Obtained by inserting a sterile flexible tube into the bladder via the urethra to withdraw urine

Answer 35

Catheterized specimen

Question 36

How many mL of pleural fluid is needed for a complete analysis

Answer 36

20-40 mL

Question 37

Pleural fluid should be transported to the laboratory at what temperature?

Answer 37

Ambient temperature

Question 38

Maximum acceptable time delay before the processing of pleural fluid is?

Answer 38

2 hours

Question 39

Pleural fluid should be stored in the refrigerator if longer delay is expected at what temp?

Answer 39

4 deg. celsius

Question 40

Pleural fluid is collected from the?

Answer 40

Lung cavity

Question 41

Pericardial fluid is collected via

Answer 41

Pericardiocentesis or open surgical drainage

Question 42

Green peritoneal fluid indicates?

Answer 42

Bile, pancreatitis, cholecystitis

Question 43

Cloudy/turbid peritoneal fluid indicates?

Answer 43

Infection

Question 44

Viscous fluid in the cavities of movable joints

Answer 44

Synovial fluid

Question 45

Synovial fluid is collected via

Answer 45

Arthrocentesis

Question 46

Fluid present in the amniotic sac surrounding the fetus

Answer 46

Amniotic fluid

Question 47

Collection procedure for amniotic fluid

Answer 47

Amniocentesis

Question 48

Yellow amniotic fluid indicates

Answer 48

Hemolytic disease of the newborn

Question 49

Dark green amniotic fluid indicates

Answer 49

Meconium

Question 50

Dark red brown amniotic fluid indicates

Answer 50

Fetal death

Question 51

Inert substances contained in or near the bottom of certain tubes

Answer 51

Thixothropic gel separators

Question 52

Most common antiglycolytic agent

Answer 52

Sodium fluoride

Question 53

Sodium fluoride is often combined with

Answer 53

Potassium oxalate

Question 54

_______ May be used for transport of cerebrospinal fluid to the laboratory

Answer 54

Pneumatic tube system