🩺 Q702: Which of the following is the preferred method for decontaminating a laboratory bench after a blood spill?
Anonymous Quiz
0%
A) Cleaning with 70% ethanol followed by water.
92%
B) Using a 1:10 dilution of sodium hypochlorite (bleach).
8%
C) Wiping with soap and warm water.
0%
D) Using an ultraviolet light source to kill microorganisms.
🩺 Q703: In the Westgard rules, which rule is considered a 'warning' rule?
Anonymous Quiz
29%
A) 1 2s
64%
B) 1 3s
7%
C) 2 2s
0%
D) 4 1s
🩺 Q704: When a laboratory performs a 'Root Cause Analysis' (RCA), what is the objective?
Anonymous Quiz
0%
A) To assign blame to the staff member who made the error.
91%
B) To identify the underlying systemic causes of a sentinel event or significant error.
9%
C) To create a report for the hospital's marketing department.
0%
D) To increase the workload of the quality assurance team.
🩺 Q705: [Hematology & Hemostasis Case] In automated hematology analyzers, the Coulter impedance principle detects cells by measuring:
Anonymous Quiz
0%
A) Light scatter intensity at 90 degrees
100%
B) Electrical resistance change as non-conductive cells pass an aperture
0%
C) Fluorescence emission after nucleic acid staining
0%
D) Radiofrequency conductivity absorption
🩺 Q706: [Hematology & Hemostasis Case] Which anticoagulant is the gold standard for routine Prothrombin Time (PT) and APTT testing?
Anonymous Quiz
0%
A) K2-EDTA
17%
B) Lithium Heparin
83%
C) Sodium Citrate (3.2%, 0.109 M)
0%
D) Potassium Oxalate
🩺 Q707: [Hematology & Hemostasis Case (Series #2, Case #3)] In automated hematology analyzers, the Coulter impedance principle detects cells by measuring:
Anonymous Quiz
8%
A) Light scatter intensity at 90 degrees
92%
B) Electrical resistance change as non-conductive cells pass an aperture
0%
C) Fluorescence emission after nucleic acid staining
0%
D) Radiofrequency conductivity absorption
🩺 Q708: [Hematology & Hemostasis Case (Series #2, Case #4)] Which anticoagulant is the gold standard for routine Prothrombin Time (PT) and APTT testing?
Anonymous Quiz
0%
A) K2-EDTA
8%
B) Lithium Heparin
92%
C) Sodium Citrate (3.2%, 0.109 M)
0%
D) Potassium Oxalate
🩺 Q709: [Hematology & Hemostasis Case (Series #3, Case #5)] In automated hematology analyzers, the Coulter impedance principle detects cells by measuring:
Anonymous Quiz
0%
A) Light scatter intensity at 90 degrees
91%
B) Electrical resistance change as non-conductive cells pass an aperture
9%
C) Fluorescence emission after nucleic acid staining
0%
D) Radiofrequency conductivity absorption
🩺 Q710: [Hematology & Hemostasis Case (Series #3, Case #6)] Which anticoagulant is the gold standard for routine Prothrombin Time (PT) and APTT testing?
Anonymous Quiz
0%
A) K2-EDTA
9%
B) Lithium Heparin
91%
C) Sodium Citrate (3.2%, 0.109 M)
0%
D) Potassium Oxalate
🩺 Q711: [Hematology & Hemostasis Case (Series #4, Case #7)] In automated hematology analyzers, the Coulter impedance principle detects cells by measuring:
Anonymous Quiz
17%
A) Light scatter intensity at 90 degrees
83%
B) Electrical resistance change as non-conductive cells pass an aperture
0%
C) Fluorescence emission after nucleic acid staining
0%
D) Radiofrequency conductivity absorption
🩺 Q712: [Hematology & Hemostasis Case (Series #4, Case #8)] Which anticoagulant is the gold standard for routine Prothrombin Time (PT) and APTT testing?
Anonymous Quiz
0%
A) K2-EDTA
17%
B) Lithium Heparin
83%
C) Sodium Citrate (3.2%, 0.109 M)
0%
D) Potassium Oxalate
🩺 Q713: [Hematology & Hemostasis Case (Series #5, Case #9)] In automated hematology analyzers, the Coulter impedance principle detects cells by measuring:
Anonymous Quiz
0%
A) Light scatter intensity at 90 degrees
92%
B) Electrical resistance change as non-conductive cells pass an aperture
0%
C) Fluorescence emission after nucleic acid staining
8%
D) Radiofrequency conductivity absorption
🩺 Q714: [Hematology & Hemostasis Case (Series #5, Case #10)] Which anticoagulant is the gold standard for routine Prothrombin Time (PT) and APTT testing?
Anonymous Quiz
0%
A) K2-EDTA
7%
B) Lithium Heparin
93%
C) Sodium Citrate (3.2%, 0.109 M)
0%
D) Potassium Oxalate
🩺 Q715: [Clinical Biochemistry Case] Which cardiac biomarker demonstrates the highest myocardial specificity and remains elevated up to 10-14 days following acute MI?
Anonymous Quiz
21%
A) Creatine Kinase-MB (CK-MB)
14%
B) Myoglobin
64%
Cardiac Troponin I (cTnI)
0%
D) Lactate Dehydrogenase (LDH-1)
🩺 Q716: [Clinical Biochemistry Case] In arterial blood gas analysis, an uncompensated metabolic acidosis is typically characterized by:
Anonymous Quiz
77%
A) Decreased pH, decreased HCO3-, and normal PaCO2
23%
B) Decreased pH, increased PaCO2, and normal HCO3-
0%
C) Increased pH, decreased PaCO2, and increased HCO3-
0%
D) Normal pH, normal PaCO2, and decreased HCO3-
🩺 Q717: [Clinical Biochemistry Case (Series #2, Case #3)] Which cardiac biomarker demonstrates the highest myocardial specificity and remains elevated up to 10-14 days following acute MI?
Anonymous Quiz
33%
A) Creatine Kinase-MB (CK-MB)
8%
B) Myoglobin
58%
Cardiac Troponin I (cTnI)
0%
D) Lactate Dehydrogenase (LDH-1)
🩺 Q718: [Clinical Biochemistry Case (Series #2, Case #4)] In arterial blood gas analysis, an uncompensated metabolic acidosis is typically characterized by:
Anonymous Quiz
50%
A) Decreased pH, decreased HCO3-, and normal PaCO2
29%
B) Decreased pH, increased PaCO2, and normal HCO3-
14%
C) Increased pH, decreased PaCO2, and increased HCO3-
7%
D) Normal pH, normal PaCO2, and decreased HCO3-
🩺 Q719: [Clinical Biochemistry Case (Series #5, Case #9)] Which cardiac biomarker demonstrates the highest myocardial specificity and remains elevated up to 10-14 days following acute MI?
Anonymous Quiz
45%
A) Creatine Kinase-MB (CK-MB)
5%
B) Myoglobin
45%
Cardiac Troponin I (cTnI)
5%
D) Lactate Dehydrogenase (LDH-1)
🩺 Q720: [Clinical Biochemistry Case (Series #5, Case #10)] In arterial blood gas analysis, an uncompensated metabolic acidosis is typically characterized by:
Anonymous Quiz
43%
A) Decreased pH, decreased HCO3-, and normal PaCO2
26%
B) Decreased pH, increased PaCO2, and normal HCO3-
30%
C) Increased pH, decreased PaCO2, and increased HCO3-
0%
D) Normal pH, normal PaCO2, and decreased HCO3-
🩺 Q721: [Immunology & Serology Case] A rim (peripheral) pattern on Indirect Immunofluorescence ANA testing is most strongly associated with antibodies to:
Anonymous Quiz
72%
A) Double-stranded DNA (dsDNA)
28%
B) Ro / SSA ribonucleoprotein
0%
Centromere proteins
0%
D) Histones exclusively