🧠 নতুন MCQ
বিষয়: Clinical Biochemistry
টপিক: Selective mechanism of MacConkey agar
কঠিনতা: Medium
MacConkey agar কোন উপাদান Gram-positives growth-কে inhibitory করে এবং Gram-negatives-কে বেছে নেয়?
ক) Crystal violet and bile salts
খ) Lactose
গ) Neutral red indicator
ঘ) Peptone
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বিষয়: Clinical Biochemistry
টপিক: Selective mechanism of MacConkey agar
কঠিনতা: Medium
MacConkey agar কোন উপাদান Gram-positives growth-কে inhibitory করে এবং Gram-negatives-কে বেছে নেয়?
ক) Crystal violet and bile salts
খ) Lactose
গ) Neutral red indicator
ঘ) Peptone
সঠিক উত্তরটি নিজে ভেবে দেখুন!
🧠 নতুন MCQ
বিষয়: Microbiology
টপিক: Decolorization step in Gram staining
কঠিনতা: Medium
Gram staining-এ over-decolorization হলে কোনটি সাধারণত ঘটে?
ক) Gram-positive appearing pink
খ) Gram-negative appearing purple
গ) Both Gram-positive and Gram-negative stain equally
ঘ) No color changes observed
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বিষয়: Microbiology
টপিক: Decolorization step in Gram staining
কঠিনতা: Medium
Gram staining-এ over-decolorization হলে কোনটি সাধারণত ঘটে?
ক) Gram-positive appearing pink
খ) Gram-negative appearing purple
গ) Both Gram-positive and Gram-negative stain equally
ঘ) No color changes observed
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🧠 নতুন MCQ
বিষয়: Immunology and Serology
টপিক: Direct Coombs test principle and interpretation
কঠিনতা: Medium
Direct Coombs test (DAT) সাধারণত কোন পরিস্থিতিতে positive দেখা যায়?
ক) Autoimmune hemolytic anemia
খ) Hemolytic disease of the newborn
গ) Alloimmune transfusion reaction
ঘ) All of the above
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বিষয়: Immunology and Serology
টপিক: Direct Coombs test principle and interpretation
কঠিনতা: Medium
Direct Coombs test (DAT) সাধারণত কোন পরিস্থিতিতে positive দেখা যায়?
ক) Autoimmune hemolytic anemia
খ) Hemolytic disease of the newborn
গ) Alloimmune transfusion reaction
ঘ) All of the above
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🧠 নতুন MCQ
বিষয়: Histopathology and Cytology
টপিক: Formalin fixation artifact (formalin pigment)
কঠিনতা: Hard
Formalin fixation artifact হিসেবে tissue-এ brown-black pigment সাধারণतः কোন artifact-কে নির্দেশ করে?
ক) Formalin pigment
খ) Air bubble artifact
গ) Thermal artifact
ঘ) Section tearing
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বিষয়: Histopathology and Cytology
টপিক: Formalin fixation artifact (formalin pigment)
কঠিনতা: Hard
Formalin fixation artifact হিসেবে tissue-এ brown-black pigment সাধারণतः কোন artifact-কে নির্দেশ করে?
ক) Formalin pigment
খ) Air bubble artifact
গ) Thermal artifact
ঘ) Section tearing
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🧠 Daily MLT Quiz
Subject: Hematology
Topic: Mean Corpuscular Volume (MCV) interpretation
Difficulty: Medium
Which statement best describes the interpretation of Mean Corpuscular Volume (MCV) in a complete blood count (CBC)?
A) MCV < 80 fL indicates microcytosis.
B) MCV 80-100 fL indicates macrocytosis.
C) MCV > 100 fL indicates microcytosis.
D) MCV has no diagnostic value by itself.
Tap “Answer privately” below to answer in the bot chat.
Subject: Hematology
Topic: Mean Corpuscular Volume (MCV) interpretation
Difficulty: Medium
Which statement best describes the interpretation of Mean Corpuscular Volume (MCV) in a complete blood count (CBC)?
A) MCV < 80 fL indicates microcytosis.
B) MCV 80-100 fL indicates macrocytosis.
C) MCV > 100 fL indicates microcytosis.
D) MCV has no diagnostic value by itself.
Tap “Answer privately” below to answer in the bot chat.
🧠 Daily MLT Quiz
Subject: Hematology
Topic: Reticulocyte count interpretation
Difficulty: Easy
In the evaluation of a patient with anemia, which laboratory finding best indicates an appropriate bone marrow response?
A) Increased reticulocyte count
B) Low hemoglobin with normal reticulocytes
C) Thrombocytopenia
D) Leukocytosis
Tap A, B, C, or D to answer. Your choice is recorded privately by the quiz bot.
Subject: Hematology
Topic: Reticulocyte count interpretation
Difficulty: Easy
In the evaluation of a patient with anemia, which laboratory finding best indicates an appropriate bone marrow response?
A) Increased reticulocyte count
B) Low hemoglobin with normal reticulocytes
C) Thrombocytopenia
D) Leukocytosis
Tap A, B, C, or D to answer. Your choice is recorded privately by the quiz bot.
A patient has Hgb 12.5 g/dL, Hct 37%, MCV 68 fL, MCH 20 pg, and MCHC 28 g/dL. Which best classifies the red blood cells?
Anonymous Quiz
8%
A) Macrocytic normochromic
56%
B) Microcytic hypochromic
33%
C) Normocytic normochromic
3%
D) Megaloblastic
In a patient with significant anemia, which reticulocyte finding indicates an appropriate bone marrow response?
Anonymous Quiz
26%
A) Reticulocyte count 0.5%
20%
B) Reticulocyte count 8%
45%
C) Reticulocyte count 0.5% with normal erythropoiesis
9%
D) Reticulocyte count 12% with polycythemia
Which statement about mean platelet volume (MPV) is correct?
Anonymous Quiz
24%
A) Elevated MPV indicates decreased platelet production
18%
B) MPV measures platelet function only
47%
C) MPV correlates with platelet production by megakaryocytes
12%
D) MPV is unaffected by platelet size
In liver disease assessment, which pattern suggests alcoholic liver disease?
Anonymous Quiz
56%
A) AST > ALT with ratio > 2
24%
B) ALT > AST
10%
C) AST = ALT
10%
D) ALT > AST by 2x
Which statement correctly describes estimated glomerular filtration rate (eGFR)?
Anonymous Quiz
66%
A) eGFR uses age, sex, race, and serum creatinine in equations like CKD-EPI
26%
B) eGFR is measured directly by urine clearance tests
7%
C) eGFR does not require serum creatinine
0%
D) eGFR is only used in pediatrics
Anion gap is calculated as Na – (Cl + HCO3). A high anion gap metabolic acidosis suggests which condition?
Anonymous Quiz
42%
A) Hyperchloremic acidosis from diarrhea
28%
B) Lactic acidosis
18%
C) Respiratory alkalosis
12%
D) Hypoalbuminemia with no acidosis
During Gram staining, decolorization with alcohol that is too brief can yield false Gram-positive results because:
Anonymous Quiz
25%
A) It over-decolorizes
22%
B) It under-decolorizes
13%
C) It kills bacteria
40%
D) It stains Gram-positive with safranin
MacConkey agar differentiates lactose fermenters from non-fermenters among Gram-negative enteric bacteria. Which organism is a lactose fermenter?
Anonymous Quiz
23%
A) Pseudomonas aeruginosa
72%
B) Escherichia coli
3%
C) Proteus mirabilis
2%
D) Salmonella typhi
In an ELISA, which component serves as the blocking step to prevent non-specific binding?
Anonymous Quiz
8%
A) Primary antibody
42%
B) Enzyme conjugate
42%
C) Blocking buffer
8%
D) Substrate solution
Which immunoglobulin is the first antibody produced in a primary immune response and is a pentamer?
Anonymous Quiz
9%
A) IgG
23%
B) IgA
65%
C) IgM
3%
D) IgE
How is a 4-fold rise in antibody titer between acute and convalescent sera interpreted?
Anonymous Quiz
6%
A) Chronic infection
80%
B) Acute infection or recent exposure
15%
C) Vaccination response only
0%
D) No clinical significance
Which sequence correctly describes routine tissue processing before paraffin embedding?
Anonymous Quiz
13%
A) Dehydration, clearing, fixation, infiltration
79%
B) Fixation, dehydration, clearing, infiltration
4%
C) Infiltration, fixation, dehydration, clearing
5%
D) Clearing, fixation, dehydration, infiltration
Which statement about hematoxylin and eosin (H&E) staining is true?
Anonymous Quiz
10%
A) Hematoxylin is acidic and stains light structures
23%
B) Eosin stains nucleic acids blue
67%
C) Hematoxylin stains basophilic structures blue/purple
0%
D) Eosin stains DNA strongly
Which dipstick result combination suggests proteinuria and glycosuria?
Anonymous Quiz
59%
A) Positive protein, positive glucose
29%
B) Positive protein, negative glucose
10%
C) Negative protein, negative glucose
2%
D) Positive glucose only
Which statement is true about urine specific gravity (USG)?
Anonymous Quiz
76%
A) It measures solute concentration and is influenced by hydration
17%
B) It is identical to osmolality
3%
C) It is not affected by hydration
3%
D) It measures pH