LB10

Question 1

can be performed bedside or can be performed comfortably anywhere the patient is

Answer 1

Point of Care Testing

Question 2

other names for POCT

Answer 2

alternate site testing, ancillary, bedside, near-patient

Question 3

most common term for POCT

Answer 3

bedside

Question 4

laboratory instrumentation used for POCT

Answer 4

small, portable, often handheld

Question 5

advantages of POCT

Answer 5

1. convenience
2. short turnaround time for results

Question 6

disadavantages of POCT

Answer 6

1. not consistent
2. results are sensitive/specific
3. limitations to specificity, sensitivity, accuracy and precision

Question 7

where are test systems cleared

Answer 7

FDA

Question 8

include test systems cleared by the FDA for home use

Answer 8

CLIA Waived Tests

Question 9

tests used to diagnose and monitor cardiovascular disease

Answer 9

Cardiac Troponin T and Troponin I

Question 10

tests for coagulation testing

Answer 10

ACT, PT, APTT

Question 11

checks glucose using capillary blood

Answer 11

Glucometer

Question 12

electrochemical strip with enzyme electrode containing glucose oxidase or dehydrogenase

Answer 12

Glucometer

Question 13

useful in blood donation drives

Answer 13

Hemoglobinometer

Question 14

compares color of light passing through a hemolyzed blood with a standard

Answer 14

Hemoglobinometer

Question 15

requires capillary blood

Answer 15

Strip tests

Question 16

tests that require strip tests

Answer 16

pregnancy test, malaria test, strip tests for hepatitis B, hepatitis C, and HIV I, HIV II

Question 17

values that are well outside the range of normal

Answer 17

panic values

Question 18

time required for blood to stop flowing from a standardized puncture on the inner surface of the forearm

Answer 18

Bleeding Time

Question 19

where is BT test performed

Answer 19

volar (inner) lateral surface of the forearm

Question 20

used to standardize and maintain constant pressure

Answer 20

blood pressure cuff

Question 21

made with a sterile automated incision device

Answer 21

incision

Question 22

interfere with interpretation of the test by prolonging bleeding time

Answer 22

Salicylates

Question 23

site for BT test

Answer 23

volar forearm approximately 5 cm distal to the antecubital area and devoid of surface veins, scars, bruises or edema

Question 24

seconds for blotting for BT

Answer 24

30 seconds

Question 25

when will you stop bringing the filter paper to the incision

Answer 25

when blood no longer stains the filter paper

Question 26

difference of ivy’s method and duke’s method

Answer 26

Ivy’s method - uses a blood pressure cuff
Duke’s method - uses a lancet and makes a puncture

Question 27

normal value for ivy’s method

Answer 27

2-8 minutes

Question 28

normal value for duke’s method

Answer 28

2-5 minutes

Question 29

Factors that increase bleeding time

Answer 29

1. any disturbance of platelet plug formation
2. BP above 40 mmHg
3. too much pressure on incision device

Question 30

Factors that decrease bleeding time

Answer 30

1. failure to start the timing as soon as incision is made
2. too much little pressure on incision device
3. BP below 40 mmHg

Question 31

most effective method for clotting time

Answer 31

Lee and White Method

Question 32

temperature of water bath during Lee and White Method

Answer 32

37C

Question 33

normal value for lee and white method

Answer 33

5-15 minutes

Question 34

most convenient for clotting time

Answer 34

Drop or Slide

Question 35

uses the tip of a lancet across drop of blood until fibrin threads cling to strip

Answer 35

Drop or Slide

Question 36

normal value for drop and slide

Answer 36

2-4 minutes