Phlebotomy Ch 14 Quiz

1) Which of the following should a health care worker do before using reagent strips and/or controls in point-of-care testing?
A) Check the date that the bottle was opened.
B) Ensure the reagents and/or controls have been stored properly.
C) Check the exp

d

2) What is troponin T?
A) an instrument that is used to test T4
B) a protein that is used to detect heart damage
C) an electrolyte to detect kidney damage
D) a coagulation factor to detect problems with bleeding

b

3) Which of the following terms is synonymous with POCT?
A) blood culture testing
B) near-patient testing
C) capillary blood gas testing
D) neonatal screening

b

4) Most rapid methods for glucose testing require:
A) serum
B) plasma
C) skin puncture blood
D) red blood cells

c

5) Which of the following refers to the term hematocrit?
A) CBC
B) Hemo scan
C) PCV, crit
D) Hgb

c

6) Which of the following blood assays can assist in the diagnosis and evaluation of anemia?
A) hemoglobin
B) troponin T
C) glucose
D) insulin

a

7) In point-of-care testing, which of the following conditions can cause erroneous results in glucose testing?
A) outdated reagents
B) calibrators are not used
C) wrong volume of specimen is collected
D) all of the above

d

8) In terms of quality-control procedures, SD stands for:
A) shared diameter
B) standard deviation
C) standard dimension
D) short dimension

b

9) Which of the following is released from the pancreas and has a major effect on blood glucose levels?
A) thyroxine
B) troponin T
C) insulin
D) renin

c

10) Interpretation of a quality control chart is based on the fact that for a normal distribution:
A) 99% of the values are within 3 SD of the mean
B) 99% of the values are within 2 SD of the mean
C) 95% of the values are within 3 SD of the mean
D) 95% of

a

11) Na+, Cl-, HCO3-, and K+ are usually referred to as:
A) electrolytes
B) blood gases
C) hormones
D) coagulation factors

a

12) The Accu-Chek Aviva monitor is used to test:
A) heart damage
B) glucose
C) bilirubin
D) hemoglobin

b

13) All POCT analyzers require:
A) gloves
B) reagent strips
C) microcuvettes
D) glucose controls

a

14) Control material should be analyzed how many times in order to determine the mean and SD?
A) 10-15
B) 20-30
C) 35-45
D) 50-60

b

15) In POCT quality control, tolerance limits are determined by pooling the data obtained during which test period?
A) 10-day test period
B) 20-day test period
C) 30-day test period
D) 40-day test period

c

16) Which of the following is recommended to use to routinely clean the POCT instruments?
A) 5% bleach solution
B) 45% ethyl alcohol
C) 25% chorohexidine
D) 95% isopropyl alcohol

a

17) The blood pH determines whether the blood:
A) is glycemic
B) is too acidic or too alkaline
C) is high in electrolytic content
D) has elevated bilirubin levels

b

18) The Cholestech LDX system measures:
A) total cholesterol
B) cholesterol and bilirubin
C) LDL triglycerides
D) HDL triglycerides

a

19) Which of the following is referred to as "bad cholesterol"?
A) HDL cholesterol
B) LDL cholesterol
C) cholesterol ratio
D) total cholesterol

b

20) A QC chart in the clinical laboratory is based on the fact that for a normal distribution, what percentage of the values about the mean should be within +/- 2 SD?
A) 90%
B) 92.5%
C) 95%
D) 99%

c

21) The CoaguChek XS System measures which of the following?
A) PT/INR
B) glucose
C) pCO2
D) pH

a

22) In laboratory abbreviations, PCV stands for:
A) prothombin corpuscular volume
B) packed cell volume
C) protime cell volume
D) patient's cellular volume

b

23) A less than normal number of erythrocytes in a patient is referred to as:
A) polycythemia
B) anemia
C) myloproliferative disorder
D) neutropenia

b

24) The hemoglobin A1c assay is used to monitor a patient's:
A) hemoglobin level
B) hemoglobin A level
C) blood glucose level
D) blood hematocrit level

c

25) Which of the following measures a cardiac monitoring analyte?
A) One Touch Ultra 2
B) HemoSense INRatio Meter
C) CoaguChek System
D) ROCHE TROPT Sensitive rapid assay

d

1) The PT and INR testing is used in glucose monitoring.

false

2) A cardiac POCT is the ROCHE TROPT rapid assay.

true

3) Hct is the same as packed cell volume.

true

4) Hematocrit values are obtained to aid in the diagnosis of diabetes mellitus.

false

5) High-density lipoprotein is referred to as the "good cholesterol.

true

6) Triglycerides are fatty acids and glycerol that circulate in the blood.

true

7) A test for the maintenance of blood glucose levels is the troponin T test.

false

8) Hemoglobin is the same as hematocrit.

false

9) The purpose of EQC is to test the electronics of a POCT instrument.

true

10) Diabetes mellitus is an acute disease, not a chronic disease.

false

1) Bedside testing is also referred to as ________, or point-of-care testing.

POCT

2) Diabetes mellitus is a disease in which the ________ cannot produce enough insulin.

pancreas

3) ________ causes the glucose to be absorbed from the blood into the body tissues.

insulin

4) The HemoCue beta-glucose analyzer can obtain test results from capillary, venous, or ________ blood.

arterial

5) Glucose-monitoring instruments must be monitored with quality-control materials for accuracy and ________ of patients' test results.

reliability

6) Some POCT instruments have EQC, which stands for ________.

electronic quality control

7) pCO2 stands for ________.

partial pressure of carbon dioxide

8) The abbreviation Na+ stands for ________.

sodium

9) PT stands for ________.

prothrombin time

10) The ROCHE TROPT rapid assay is a ________ point-of-care test.

cardiac