Deck 14: Point-Of-Care Poc Collections

Question 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 expiration date.
D) All of the above.

Answer 1

All of the above.

Question 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

Answer 2

a protein that is used to detect heart damage

Question 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

Answer 3

near-patient testing

Question 4

Most rapid methods for glucose testing require:

A) serum
B) plasma
C) skin puncture blood
D) red blood cells

Question 5

Which of the following refers to the term hematocrit?

A) CBC
B) Hemo scan
C) PCV, crit
D) Hgb

Question 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

Question 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A) outdated reagents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

Question 8

In terms of quality-control procedures, SD stands for:

A) shared diameter
B) standard deviation
C) standard dimension
D) short dimension

Question 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

Question 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 the values are within 1 SD of the mean

Question 11

Na⁺, Cl^-, HCO3^-, and K⁺ are usually referred to as:

A) electrolytes
B) blood gases
C) hormones
D) coagulation factors

Question 12

The Accu-Chek Aviva monitor is used to test:

A) heart damage
B) glucose
C) bilirubin
D) hemoglobin

Question 13

All POCT analyzers require:

A) gloves
B) reagent strips
C) microcuvettes
D) glucose controls

Question 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

Question 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

Question 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

Question 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

Question 18

The Cholestech LDX system measures:

A) total cholesterol
B) cholesterol and bilirubin
C) LDL triglycerides
D) HDL triglycerides

Question 19

Which of the following is referred to as "bad cholesterol"?

A) HDL cholesterol
B) LDL cholesterol
C) cholesterol ratio
D) total cholesterol

Question 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%

Question 21

The CoaguChek XS System measures which of the following?

A) PT/INR
B) glucose
C) pCO₂
D) pH

Question 22

In laboratory abbreviations, PCV stands for:

A) prothombin corpuscular volume
B) packed cell volume
C) protime cell volume
D) patient's cellular volume

Question 23

A less than normal number of erythrocytes in a patient is referred to as:

A) polycythemia
B) anemia
C) myloproliferative disorder
D) neutropenia

Question 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

Question 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

Question 26

The PT and INR testing is used in glucose monitoring.

Question 27

A cardiac POCT is the ROCHE TROPT rapid assay.

Question 28

Hct is the same as packed cell volume.

Question 29

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

Question 30

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

Question 31

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

Question 32

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

Question 33

Hemoglobin is the same as hematocrit.

Question 34

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

Question 35

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

Question 36

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

Question 37

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

Question 38

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

Question 39

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

Question 40

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

Question 41

Some POCT instruments have EQC, which stands for ________.

Question 42

pCO₂ stands for ________.

Question 43

The abbreviation Na⁺ stands for ________.

Question 44

PT stands for ________.

Question 45

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

Question 46

Why are PT and INR run frequently as POC tests?

Question 47

Explain the difference between HDL cholesterol and LDL cholesterol.