PQ2 Flashcards
(111 cards)
All of the following are analytical (examination) errors, except:*
A. Oversight of instrument flags
B. Out-of-control QC results
C. Verbal reporting of results
D. Wrong assay performed
C. Verbal reporting of results
Staff responsibility in SPECIMEN MANAGEMENT, except:
A. Specimens and aliquots are stored properly
B. Specimens are centrifuged correctly
C. Specimens are delivered intact, sealed, and in a timely manner
D. Tests begun within specified time frames
C. Specimens are delivered intact, sealed, and in a timely manner
The positive predictive value predicts the probability that an individual with a positive assay result ___ the disease or condition.
A. Has (have)
B. Could have
C. May have
D. Will have
A. Has (have)
For adult capillary puncture:
A. Index finger
B. Ring finger
C. Index or ring finger
D. Middle or ring finger
D. Middle or ring finger
Proper application of the tourniquet:
A. Like a ribbon
B. Loop toward the shoulder
C. Ends pointed towards the shoulder
D. Ends pointed away from the shoulder
C. Ends pointed towards the shoulder
The tourniquet should not remain tied for more than _______ at a time.*
A. 1 minute
B. 2 minutes
C. 3 minutes
D. 4 minutes
A. 1 minute
The tourniquet should be applied ______ above the venipuncture site.
A. 1 to 2 inches
B. 3 to 4 inches
C. 6 to 8 inches
D. 10 to 12 inches
B. 3 to 4 inches
Blood pressure cuffs can be used as tourniquets. They are used primarily for veins that are difficult to locate. The cuff should be inflated to a pressure of:
A. 40 mm Hg
B. 80 mm Hg
C. 100 mm Hg
D. 120 mm Hg
A. 40 mm Hg
Blood pressure cuffs can be used as tourniquets. They are used primarily for veins that are difficult to locate. The cuff should be inflated to a pressure of:
40 mm Hg
80 mm Hg
100 mm Hg
120 mm Hg
AccuVein is a handheld medical device that helps medical staff visualize veins before phlebotomy. The device emits ______ light and is held 7 inches over the potential phlebotomy site.*
A. Visible light
B. Ultraviolet light
C. Infrared light
D. UV and infrared light
C. Infrared light
The advantage of using a ___-inch needle is that it provides better control during venipuncture.*
A. 0.5-inch
B. 1-inch
C. 1.5-inch
D. 2-inch
B. 1-inch
Select the needle most commonly used in standard venipuncture in an adult:
A. One inch, 18 gauge
B. One inch, 21 gauge
C. One-half inch, 23 gauge
D. One-half inch, 25 gauge
B. One inch, 21 gauge
Higher temperatures can cause:*
A. Decrease in blood draw volume
B. Increase in blood draw volume
C. Both of these
D. None of these
A. Decrease in blood draw volume
High altitude:*
A. Decrease in blood draw volume
B. Increase in blood draw volume
C. Both of these
D. None of these
A. Decrease in blood draw volume
Leakage of a large amount of blood around the puncture site:*
Hematoma
Severe increase in abnormal erythrocytes in each microscopic field; an equivalent descriptive term is MANY:*
A. 1+
B. 2+
C. 3+
D. 4+
C. 3+
The most common hemacytometer is the Levy chamber with improved Neubauer ruling. What is the total area of this counting chamber?*
A. 1 mm2
B. 4 mm2
C. 9 mm2
D. 16 mm2
C. 9 mm2
Full conversion of hemoglobin to cyanmethemoglobin:*
A. 1 minute
B. 3 minutes
C. 10 minutes
D. 30 minutes
C. 10 minutes
In the manual reticulocyte count, what is the ratio of blood and new methylene blue stain:*
A. 1:1
B. 1:3
C. 2:1
D. 3:1
A. 1:1
Decreased ESR, EXCEPT:*
A. Acanthocytosis
B. Bubbles in ESR column
C. Hyperfibrinogenemia
D. Spherocytosis
C. Hyperfibrinogenemia
Increased ESR:*
A. Hyperalbuminemia
B. Hyperfibrinogenemia
C. Microcytosis
D. Polycythemia
B. Hyperfibrinogenemia
Increased ESR:*
A. Delay in testing
B. Hyperalbuminemia
C. Marked anisocytosis
D. Tilted ESR tube
D. Tilted ESR tube
Leukemia:*
A. Decreased ESR
B. Increased ESR
C. Indeterminate
D. No effect
B. Increased ESR
Marked leukocytosis:*
A. Decreased ESR
B. Increased ESR
C. Indeterminate
D. No effect
A. Decreased ESR