Quiz Answers
- Which of the following factor does not affect microbial growth? (RPSC Nsg Tutor 2009)
- a. Moisture
- b. Disinfection
- c. Darkness ✅
- d. Temperature
- Agar concentration required to prepare nutrient agar is:
- a. 1-2% ✅
- b. 4-6%
- c. 0.25-0.5%
- d. 0.5-1%
- HIV is a
- a. Retrovirus ✅
- b. DNA virus
- c. Fungus
- d. Bacteria
- MRSA is mediated due to
- a. Plasmid
- b. Chromosome ✅
- c. Transposons
- d. None
- All of the following are vector-borne diseases except
- a. Malaria
- b. Filariasis
- c. Rubella ✅
- d. Chagas disease
- Primary immune response, the correct statement is:
- a. Involves IgG
- b. Antibody-producing cells. Memory B cell
- c. No lag period
- d. Slow and sluggish ✅
- Which of the following infectious agents can be transmitted through blood transfusion?
- a. HIV
- b. Treponema pallidum
- c. Toxoplasma gondii
- d. All of the above ✅
- Which one of the following is a post-streptococcal sequela:
- a. Acute rheumatic fever ✅
- b. Cellulitis
- c. Pharyngitis
- d. Impetigo
- A positive tuberculin test is indicated by an area of induration of:
- a. <5mm in diameter
- b. 6-9 mm in diameter
- c. 10 mm in diameter ✅
- d. No induration
- Diagnostic test used for typhoid fever is
- a. Blood culture
- b. Dick Test
- c. Shick test
- d. Widal test ✅
- Diagnostic test used for diphtheria is
- a. Blood culture
- b. Dick Test
- c. Shick test ✅
- d. Widal test
- Diagnostic test used for TB is…
- a. Mantoux test ✅
- b. Dick Test
- c. Shick test
- d. Widal test
- Diagnostic test used for scarlet fever is…
- a. Mantoux test
- b. Dick Test ✅
- c. Shick test
- d. Widal test
- Diagnostic test used for typhus fever is
- a. Mantoux test
- b. Dick Test
- c. Shick test
- d. Weil Felix ✅
- Route of injecting Shick test toxin/purified protein derivative (Mantoux test) is…
- a. Intravascular
- b. Intradermal ✅
- c. Intramuscular
- d. Subcutaneous
- Site for injecting Shick test toxin/purified protein derivative (Mantoux test) is…
- a. Right upper arm
- b. Left upper arm
- c. Left forearm ✅
- d. Right forearm
- Most accurate method of diagnosis of Helicobacter pylori is:
- a. Culture
- b. Biopsy urease test
- c. Histopathology
- d. Urea breath test ✅
- All of the following viruses are transmitted by the respiratory route except:
- a. Influenza virus
- b. Rota virus ✅
- c. Respiratory syncytial virus
- d. Rhinovirus
- Acid-fast staining is used to detect
- a. Mycobacterium TB ✅
- b. Clostridium tetani
- c. HIV/AIDS
- d. Meningococci
- During the window period of a patient with AIDS, the best diagnostic test is:
- a. ELISA
- b. Western Blot
- c. Rapid test
- d. RT-PCR ✅
- Best indicator of HIV prognosis
- a. CD4 T cell count ✅
- b. CD8 T cell count
- c. HIV RNA
- d. ELISA
- Most effective mode of transmission of HIV:
- a. Sexual
- b. Blood product ✅
- c. Needle/syringe
- d. Mother to fetus
- Most common malignancy in AIDS is;
- a. Kaposi sarcoma ✅
- b. B-cell lymphoma
- c. Leukemia
- d. Burkitt’s lymphoma
- Food poisoning is caused by ..
- a. Clostridium perfringens
- b. Clostridium botulinum ✅
- c. Corynebacterium diphtheriae
- d. Clostridium tetani
- Which of the following is used for sterilization of cystoscopes, endoscopes, and bronchoscopes?
- a. Glutaraldehyde ✅
- b. Ethanol
- c. Methanol
- d. Ethylene oxide
- Method of sterilization used for culture media is…
- a. Autoclave ✅
- b. Hot air oven
- c. Pasteurization
- d. None of the above
- Which of the following is a LIVE ATTENUATED VACCINE?
- a. BCG vaccine ✅
- b. Rabies vaccine
- c. Diphtheria toxoid
- d. Tetanus toxoid
- Which of the following single dose is sufficient for immunization
- a. Live attenuated vaccine ✅
- b. Killed vaccine
- c. Toxoids
- d. None of the above
- The method of killing of all microorganisms including their spores is known as
- a. Sterilization ✅
- b. Disinfection
- c. Incineration
- d. Lysis
- The method of reducing the number of pathogens from any article, surface, or medium is called as
- a. Sterilization
- b. Disinfection ✅
- c. Incineration
- d. Lysis
- The causative agent of Tuberculosis (T.B.) is
- a. Mycobacterium tuberculosis ✅
- b. Mycobacterium leprae
- c. Treponema pallidum
- d. Borrelia species
- The causative agent of Syphilis is
- a. Mycobacterium tuberculosis
- b. Mycobacterium leprae
- c. Treponema pallidum ✅
- d. Borrelia species
- VDRL test is used for the diagnosis of
- a. Syphilis ✅
- b. Tuberculosis
- c. Pneumonia
- d. AIDS
- Which of the following is a moist heat method of sterilization?
- a. Boiling
- b. Autoclaving
- c. Hot air oven
- d. Both a & b ✅
- Temperature range used for autoclaving is…
- a. 100°C for 10 min
- b. 100°C for 30 min
- c. 121°C for 15 min ✅
- d. 121°C for 30 min
- ELISA is used for the diagnosis of
- a. AIDS ✅
- b. Night blindness
- c. Sickle cell anemia
- d. All of the above
- Name the first organic acid produced by microbial fermentation.
- a. Acetic acid
- b. Lactic acid ✅
- c. Butyric acid
- d. None of the above
- The most common viral cause of gastroenteritis:
- a. Rotavirus ✅
- b. Norwalk virus
- c. Adenovirus
- d. Hepadnavirus
- All are true about SARS EXCEPT:
- a. Epidemic is seen in India ✅
- b. Spreads by droplet
- c. Diagnosed by PCR
- d. Caused by a type of coronavirus
- Perinatal Hepatitis B transmission is maximum in
- a. 1st trimester
- b. 2nd trimester
- c. 3rd trimester
- d. During delivery ✅
- Which Hepatitis virus is associated with the highest mortality in pregnancy?
- a. Hepatitis A
- b. Hepatitis B
- c. Hepatitis C
- d. Hepatitis E ✅
- Hepatitis virus that spreads by the fecal-oral route:
- a. Hepatitis A ✅
- b. Hepatitis B
- c. Hepatitis C
- d. Hepatitis D
- Acute hepatitis B infection is best diagnosed by:
- a. HBsAg
- b. HBeAg
- c. IgM Anti HBc antibody ✅
- d. HBcAg
- Which parameter is not included in HAI surveillance?
- a. CA-UTI (catheter-associated urinary tract infection)
- b. CLABSI (central line-associated bloodstream infection)
- c. VAP (ventilator-associated pneumonia)
- d. Open wound infections ✅
- Hand rub should not be used in which condition?
- a. Before touching patient
- b. After touching patient
- c. After touching patient’s surrounding
- d. Hands are visibly soiled ✅
- How many moments of hand hygiene have been laid down by WHO?
- a. 5 ✅
- b. 6
- c. 7
- d. 8
- Which antibody crosses the placenta?
- a. IgG ✅
- b. IgA
- c. IgE
- d. IgM
- Which is an example of surface Ig?
- a. IgA ✅
- b. IgG
- c. IgE
- d. IgM
- Type I hypersensitivity is mediated by which of the following immunoglobulins?
- a. IgA
- b. IgG
- c. IgM
- d. IgE ✅
- Wheal and flare is which type of hypersensitivity reaction:
- a. Type I ✅
- b. Type II
- c. Type IV
- d. Type V
