HNBMU Bsc Nursing 2020-2023 Session 3rd Semester Applied Microbiology and Infection Control Including Safety Previous Question Paper

Q1 Multiple choice questions:

1. Who has described the germ theory of life?

   1. Antoine van Leeuwenhoek

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   2. Robert Koch
   3. Louis Pasteur
   4. Paul Ehrlich

2. Which of the following structure is present in bacteria?

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   1. Ribosome
   2. Mesosome
   3. Pili
   4. Flagella

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3. Diploidium form is transferred between bacteria by which of the following method?

   1. Transformation
   2. Transduction
   3. Lysogenic conversion
   4. Conjugation

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4. The chemical nature of endotoxin is

   1. Protein
   2. Lipid
   3. Carbohydrate

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   4. None

5. The smallest virus in size is

   1. Poxvirus
   2. Parvovirus

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   3. Herpesvirus
   4. Adenovirus

6. All are non-bile stained eggs, except

   1. Enterobius

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   2. Ancylostoma
   3. Hookworm
   4. Hymenolepsis

Q2 Describe in detail the structure and function of the cell wall and cell membrane of gram-negative bacilli with the help of a diagram. (10 marks)

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Q3 Write short notes on any three of the following: (3x5=15 marks)

1. Antibody Structure
2. Difference between Active and Passive Immunity
3. Difference between Endotoxin and Exotoxin
4. ELISA

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Q4 Write very short notes on the following: (3x2=6 marks)

1. Use of Electron Microscope
2. Bacterial Cultivation
3. Acid fast staining

Q5 Multiple choice questions:

1. Hand rub should not be used in which condition?

   1. Before touching patient
   2. After touching patient’s surrounding
   3. After touching patient

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   4. Hands are visibly soiled

2. Which of the following is not a component of standard precautions?

   1. N95 respirator for TB patient
   2. Hand Hygiene

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   3. Gloves during surgery
   4. Wearing gloves during phlebotomy

3. What are the PPE recommended for contact precautions?

   1. Gloves and mask

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   2. Gloves and gown
   3. Gown and mask
   4. Gown and goggles

4. The most common organism responsible for catheter-associated urinary tract infection (CAUTI) is

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   1. Escherichia coli
   2. Klebsiella pneumoniae
   3. Enterococcus species
   4. Acinetobacter species

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5. Endoscope is sterilized by

   1. Glutaraldehyde
   2. Autoclaving
   3. Formaldehyde
   4. Hot air oven

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6. Anatomical waste should be segregated in which color bags?

   1. Yellow
   2. Green
   3. Red

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   4. Black

7. All are potentially highly infectious specimen for occupational injury, except

   1. Blood
   2. CSF

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   3. Semen
   4. Saliva

Q6 Define sterilization, describe all methods of sterilization in details.

Q7 Write short notes on any three of the following:

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1. Torch infection
2. BMW
3. Nosocomial infection and its prevention
4. Autoclave

Q8 Write very short answers:

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1. Hand hygiene
2. Donning and Doffing of PPE
3. CSSD