🩺 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.
91%
B) Using a 1:10 dilution of sodium hypochlorite (bleach).
9%
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
25%
A) 1 2s
67%
B) 1 3s
8%
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.
90%
B) To identify the underlying systemic causes of a sentinel event or significant error.
10%
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
18%
B) Lithium Heparin
82%
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
9%
A) Light scatter intensity at 90 degrees
91%
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
9%
B) Lithium Heparin
91%
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
90%
B) Electrical resistance change as non-conductive cells pass an aperture
10%
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
10%
B) Lithium Heparin
90%
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
18%
A) Light scatter intensity at 90 degrees
82%
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
18%
B) Lithium Heparin
82%
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
15%
A) Creatine Kinase-MB (CK-MB)
15%
B) Myoglobin
69%
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
75%
A) Decreased pH, decreased HCO3-, and normal PaCO2
25%
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
36%
A) Creatine Kinase-MB (CK-MB)
9%
B) Myoglobin
55%
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
46%
A) Decreased pH, decreased HCO3-, and normal PaCO2
31%
B) Decreased pH, increased PaCO2, and normal HCO3-
15%
C) Increased pH, decreased PaCO2, and increased HCO3-
8%
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
47%
A) Creatine Kinase-MB (CK-MB)
5%
B) Myoglobin
42%
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
41%
A) Decreased pH, decreased HCO3-, and normal PaCO2
27%
B) Decreased pH, increased PaCO2, and normal HCO3-
32%
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
69%
A) Double-stranded DNA (dsDNA)
31%
B) Ro / SSA ribonucleoprotein
0%
Centromere proteins
0%
D) Histones exclusively