Hygiene MCQs
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the pathogenic microorganisms constantly living in the soil are except
- A. Cl. perfringens
- B. Cl. tetani
- C. B. anthracis
- D. M. tuberculose
- Correct Answer: Option D
one of the short-latency diseases related to hygienic conditions of the houses is
- A. lung cancer
- B. hypersensitivity pneumonitis
- C. increased heart rate and breathing
- Correct Answer: Option B
this substance kills because it competitively binds to hemoglobin preventing oxygen from binding leading suffocation
- A. lead poisoning
- B. inhalation of asbestos
- C. carbon monoxide poisoning
- D. pesticide poisoning
- Correct Answer: Option C
bulb globe thermometer is used for measuring the
- A. air temperature
- B. resulting temperature
- C. relative humidity
- Correct Answer: Option B
air pollutants are associated with
- A. respiratory, skin and eye diseases
- B. allergic and gastrointestinal diseases
- C. asthma and nephrolithiasis
- Correct Answer: Option A
chlorination is effective after contact period of
- A. 15 mins
- B. 30 mins
- C. 12 mins
- Correct Answer: Option B
ammonia in drinking water should be no more than
- A. 0.3 mg/l
- B. 0.5 mg/l
- C. 50.00 mg/l
- Correct Answer: Option B
the sample for chemical examination should be of capacity
- A. between 0.3 l and 2 l
- B. between 0.5 l and 1 l
- C. between 1 l and 6 l
- Correct Answer: Option C
the fractions of residual chlorine in tap water are
- A. free residual chlorine.
- B. combined residual chlorine
- C. free and combined residual chlorine
- D. none of the above
- Correct Answer: Option C
which areas in hospital buildings are associated with a low risk of nosocomial (hospital-acquired) infections?
- A. isolation units
- B. operating theatres
- C. intensive care units
- D. administrative areas
- Correct Answer: Option A