🩺 Q397: A patient experiences fever, chills, and hypotension shortly after the initiation of a red cell transfusion. The clerical check is correct. What is the most likely type of reaction?
Anonymous Quiz
23%
A) Febrile non-hemolytic transfusion reaction
46%
B) Acute hemolytic transfusion reaction
31%
C) Transfusion-associated circulatory overload (TACO)
0%
D) Allergic reaction
🩺 Q398: Which of the following antibodies is known for showing 'dosage', reacting more strongly with homozygous cells than with heterozygous cells?
Anonymous Quiz
8%
Anti-D
77%
B) Anti-K
8%
C) Anti-c
8%
D) Anti-Le(a)
🩺 Q399: What is the purpose of adding LISS (Low Ionic Strength Saline) to the antibody screen procedure?
Anonymous Quiz
33%
A) To increase the zeta potential
60%
B) To decrease the incubation time
0%
C) To neutralize IgM antibodies
7%
D) To prevent complement activation
🩺 Q400: [Medical Microbiology & Parasitology Case (Series #2, Case #4)] On MacConkey agar, pink colonies indicate lactose fermentation due to the pH indicator:
Anonymous Quiz
33%
A) Neutral red
67%
Bromothymol blue
0%
C) Phenol red
0%
D) Methyl red
🩺 Q401: [Medical Microbiology & Parasitology Case (Series #3, Case #5)] Which stain is primarily used for identifying Mycobacterium tuberculosis in clinical laboratory sputum examination?
Anonymous Quiz
0%
A) Gram stain
93%
B) Acid-Fast (Ziehl-Neelsen) stain
7%
C) Wright-Giemsa stain
0%
D) Leishman stain
🩺 Q402: [Medical Microbiology & Parasitology Case (Series #3, Case #6)] On MacConkey agar, pink colonies indicate lactose fermentation due to the pH indicator:
Anonymous Quiz
50%
A) Neutral red
50%
Bromothymol blue
0%
C) Phenol red
0%
D) Methyl red
🩺 Q403: [Medical Microbiology & Parasitology Case (Series #4, Case #7)] Which stain is primarily used for identifying Mycobacterium tuberculosis in clinical laboratory sputum examination?
Anonymous Quiz
7%
A) Gram stain
86%
B) Acid-Fast (Ziehl-Neelsen) stain
7%
C) Wright-Giemsa stain
0%
D) Leishman stain
🩺 Q404: [Medical Microbiology & Parasitology Case (Series #4, Case #8)] On MacConkey agar, pink colonies indicate lactose fermentation due to the pH indicator:
Anonymous Quiz
46%
A) Neutral red
38%
Bromothymol blue
0%
C) Phenol red
15%
D) Methyl red
🩺 Q405: [Blood Banking & Immunohematology Case (Series #5, Case #9)] A positive Direct Antiglobulin Test (DAT) indicates the in vivo presence of:
Anonymous Quiz
18%
A) Free circulating atypical antibodies in patient serum
82%
B) IgG antibodies or C3d complement sensitized onto red blood cells
0%
C) ABO mismatch isoagglutinins
0%
D) Elevated erythrocyte sedimentation rate
🩺 Q406: [Blood Banking & Immunohematology Case (Series #5, Case #10)] Which unexpected reaction in ABO forward and reverse grouping suggests a Cold Autoantibody?
Anonymous Quiz
45%
A) Positive auto-control and pan-reactive reverse cells at room temperature
55%
B) Negative forward grouping with Anti-A and Anti-B in an AB individual
0%
C) Mixed-field agglutination exclusively in the Rh typing tube
0%
D) Acquired B antigen phenomenon during severe Gram-negative sepsis
🩺 Q407: [Immunology & Serology Case] A rim (peripheral) pattern on Indirect Immunofluorescence ANA testing is most strongly associated with antibodies to:
Anonymous Quiz
82%
A) Double-stranded DNA (dsDNA)
18%
B) Ro / SSA ribonucleoprotein
0%
Centromere proteins
0%
D) Histones exclusively
🩺 Q408: [Urinalysis & Clinical Microscopy Case] The presence of Red Blood Cell (RBC) casts in urinary sediment is pathognomonic for:
Anonymous Quiz
36%
Acute glomerulonephritis
55%
B) Lower urinary tract cystitis
9%
C) Nephrolithiasis (kidney stones)
0%
D) Benign prostatic hyperplasia
🩺 Q409: [Urinalysis & Clinical Microscopy Case (Series #2, Case #3)] In routine urinalysis dipstick testing, a positive nitrite reaction strongly indicates bacteriuria caused by:
Anonymous Quiz
0%
A) Enterococci
100%
B) Gram-negative bacteria containing nitrate reductase (e.g., E. coli)
0%
Candida albicans
0%
D) Trichomonas vaginalis
🩺 Q410: [Urinalysis & Clinical Microscopy Case (Series #2, Case #4)] The presence of Red Blood Cell (RBC) casts in urinary sediment is pathognomonic for:
Anonymous Quiz
60%
Acute glomerulonephritis
20%
B) Lower urinary tract cystitis
20%
C) Nephrolithiasis (kidney stones)
0%
D) Benign prostatic hyperplasia
🩺 Q411: [Urinalysis & Clinical Microscopy Case (Series #3, Case #5)] In routine urinalysis dipstick testing, a positive nitrite reaction strongly indicates bacteriuria caused by:
Anonymous Quiz
0%
A) Enterococci
100%
B) Gram-negative bacteria containing nitrate reductase (e.g., E. coli)
0%
Candida albicans
0%
D) Trichomonas vaginalis
🩺 Q412: [Urinalysis & Clinical Microscopy Case (Series #3, Case #6)] The presence of Red Blood Cell (RBC) casts in urinary sediment is pathognomonic for:
Anonymous Quiz
67%
Acute glomerulonephritis
22%
B) Lower urinary tract cystitis
11%
C) Nephrolithiasis (kidney stones)
0%
D) Benign prostatic hyperplasia
🩺 Q413: [Urinalysis & Clinical Microscopy Case (Series #4, Case #7)] In routine urinalysis dipstick testing, a positive nitrite reaction strongly indicates bacteriuria caused by:
Anonymous Quiz
0%
A) Enterococci
100%
B) Gram-negative bacteria containing nitrate reductase (e.g., E. coli)
0%
Candida albicans
0%
D) Trichomonas vaginalis
🩺 Q414: [Urinalysis & Clinical Microscopy Case (Series #4, Case #8)] The presence of Red Blood Cell (RBC) casts in urinary sediment is pathognomonic for:
Anonymous Quiz
67%
Acute glomerulonephritis
22%
B) Lower urinary tract cystitis
11%
C) Nephrolithiasis (kidney stones)
0%
D) Benign prostatic hyperplasia
🩺 Q415: [Urinalysis & Clinical Microscopy Case (Series #5, Case #9)] In routine urinalysis dipstick testing, a positive nitrite reaction strongly indicates bacteriuria caused by:
Anonymous Quiz
11%
A) Enterococci
89%
B) Gram-negative bacteria containing nitrate reductase (e.g., E. coli)
0%
Candida albicans
0%
D) Trichomonas vaginalis
🩺 Q416: [Urinalysis & Clinical Microscopy Case (Series #5, Case #10)] The presence of Red Blood Cell (RBC) casts in urinary sediment is pathognomonic for:
Anonymous Quiz
67%
Acute glomerulonephritis
22%
B) Lower urinary tract cystitis
11%
C) Nephrolithiasis (kidney stones)
0%
D) Benign prostatic hyperplasia