Medical Lab Technologist Mcqs Book
Chapter - 1
Study Of Gram Positive Bacteria
Q1= Gram Positive organisms are able to retain the Crystal Violet stain because of the present........high amount in the cell wall?
A- Teichoic Acid
B- Peptidoglycan
C- Both
D- None
Ans- B (Peptidoglycan)
Q2= Which colour stain of Gram Positive Bacteria by Gram staining?
A- Blue / Violet
B- Pink
C- Red
D- Yellow
Ans- A(Blue / Violet)
Q3= Tuberculosis bacilli resistance decolorization by?
A- acid
B- alcohol
C- Both
D- None
Ans- C
Q4= Mycobacterium tuberculosis are known as other name is....?
A- Hensen's bacilli
B- Lepre
C- motile bacilli
D- Koch Bacilli
Ans- D
Q5= which medium is preferred for the growth of clostridia?
A- L-J medium
B- Blood agar medium
C- Robertson's cooked meat Broth
D- None OF The Above
Ans- C
Q6= which are responsible for Glomerulonephritis and acute rheumatic fever?
A- Streptococci
B- staphylococcus
C- pneumococcus
D- all of the above
Ans- A
Q7= which of the following is responsible for gas gangrene disease?
A- Streptococci
B- staphylococcus
C- pneumococcus
D- Clostridium perfringens
Ans- D
Q8- Gas Gangrene is Not Caused By?
A- Clostridium perfringens
B-Clostridium Botulinum
C- Clostridium Novyi
D- Clostridium Septicum
Ans- B
Q9= L-J medium Is Use To Grow......?
A- mycobacterium tuberculosis
B- vibrio cholerae
C- s.typhi
D- diplococcus
Ans- A
Q10- auramine rhodamine fluorescent stain is used to identify?
A- diplococci
B- mycobacteria
C- spirochete
D- corynebacteria
Ans- B
Q11= how many types identified of clostridium botulinum?
A- 5 Types
B- 8 Types
C- 4 Types
D- 9 Types
Ans- B
A,B,C1,C2,D,E,F,G
type= A,B,E,F, causes disease in humans
type= C,D causes disease in animals
Q12= Which type of toxins are present in clostridium botulinum?
A- neurotoxic
B- Enterotoxic
C- None
D- A&B
Ans- D
type- A,B,C1,D,E,F,G are present neurotoxic
type- C2 only present Enterotoxic
Q13= A sexually transmitted bacterial disease is?
(a) AIDS
(b) Syphilis
(c) Herpes
(d) Hepatitis
Ans- B
Q14=Which anti tubercular drug is contraindicated for pregnant women.
(a) Ethambutol
(b) INH(Isoniazid)
(c) Streptomycin
(d) Rifampicin
Ans- C
Q15= stain used for the detection of corynebacterium diphtheriae ?
A- giemsa stain
B- albert stain
C- Ziehl–Neelsen stain
D- capsule stain
Ans- B
Q16= Arrangement of cocci in clusters is known as-
A- staphylococcus
B- diplococci
C- streptococcus
D- pneumococci
Ans- A
Q17= the organ of locomotion in bacteria are
A- Capsule
B- flagellum
C- Pili
D- mesosomes
Ans- B
Q18= Positive tuberculin Test indicates
A- T cell Mediated immunity to Mycobacterial Antigen
B- Humoral Immunity
C- Innate Immunity
D-NK Cell Immunity
Ans- A
Q19= Which type Ziehl–Neelsen staining use in mycobacterium leprosy?
A- ZN Hot reagents
B-ZN cool reagents
C- Both
D- None
Ans- B
Q20= The standard recommended tuberculin test, known as the Mantoux test, is administered by injecting a 0.1 mL of a liquid containing (tuberculin units) of PPD
A- 50000 TU
B- 5000 TU
C- 500 TU
D- 5 TU
Ans- D
Q21= Mannitol salt agar is selective and differential for
which group of organisms?
a. Staphylococcus spp.
b. Enterococcus spp.
c. Gram-positive cocci
d. Streptococcus spp.
Ans- A
Q22=The best specimen for the isolation of Bordetella pertussis
is which of the following?
a. Throat swabs
b. Sputum
c. Nasopharyngeal aspirates
d. Anterior nose swab
Ans- C
Q23= What cells are found in bacterial vaginosis?
a. Clue cells
b. Lymphocytes
c. Macrophages
d. Squamous epithelial cells
Q24=Loeffler's medium is used as a primary isolation medium for-
A- bordetella pertussis
B-corynebacterium diphtheriae
C- mycobacterium tuberculosis
D- streptococcus pyogenes
Ans- B
bordetella pertussis- Bordet Gengau media.
mycobacterium tuberculosis- Lowenstein jensen media
streptococcus pyogenes- Blood Agar Media.
Q25= Mycobacterium tuberculosis bacteria which type Colony growth in Lowenstein jensen's medium?
A- cauliflower colonies
B- Punctiform (tiny) colonies
C-Circular colonies
D- none
Ans- A
Q26= which medium used for the study of cultural characteristics of clostridium tetani
A- Blood Agar
B- Robertson's cooked meat
C- chocolates Agar
D- A and B
Ans- D
Q27= Corynebacterium diphtheriae is known as other name is-
A- Klebs–Löffler bacillus
B- Hensense Bacilus
C- Koch Bacilus
D- None
Ans- A
Q28=Albert stain smear of corynebacterium diphtheriae Roads showing beaded granules in ............... colours
A- blue
B- red
C- Green
D- Pink
Ans- C
Q29= which use as the primary stain in Ziehl-Neelsen Staining,
A- Sulfuric acid
B- carbolfuchsin
C- methylene blue
D- All
Ans- B
Q30= which use as the counterstain in Ziehl-Neelsen Staining,
A- Sulfuric acid
B- carbolfuchsin
C- methylene blue
D- All
Ans- C
Chapter - 1 Study of Gram Positive bacteria
Chapter -2 Clinical Mycology
Chapter - 3 Automation In Bacteriology
