Discussion
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- Question
Which of the following hepatitis viruses is not RNA virus?
Options- A. Hepatitis A virus
- B. Hepatitis B virus
- C. Hepatitis E virus
- D. Hepatitis G virus
- Correct Answer
- Hepatitis B virus
- 1. The development of hepatocellular carcinoma is associated with
Options- A. ground squirrel hepatitis virus
- B. hepatitis B virus
- C. woodchuck hepatitis virus
- D. all of the above Discuss
- 2. Which of the following specimens contain/s hepatitis B virus in an infected person?
Options- A. Blood
- B. Semen
- C. Saliva
- D. All of these Discuss
- 3. Which of the following is not correct for hepatitis A virus?
Options- A. It can be grown in cell cultures of primate and human cells
- B. It is one of the most stable viruses infecting humans
- C. It may cause hepatocellular carcinoma
- D. None of the above Discuss
- 4. Which of the following antigenic types of hepatitis B virus is present in the envelope?
Options- A. HbsAg
- B. HBcAg
- C. HBeAg
- D. HBxAg Discuss
- 5. The most serious infection is
Options- A. superinfection of an HBsAg carrier by HDV
- B. infection with HBV alone
- C. coinfection of HBVand HDV
- D. none of the above Discuss
- 6. Which of the following process can be efficiently carried out by incineration?
Options- A. Sterilization of scalpel blades and needles
- B. Sterilization of all glass syringes
- C. Sterilization of points of forceps
- D. Destruction of contaminated materials Discuss
- 7. Which of the following substances can sterilize?
Options- A. Alcohol
- B. Cetylpyridinium chloride
- C. Ethylene oxide
- D. Chlorine Discuss
- 8. Preservation of foods by using salts and sugars works by
Options- A. raising pH
- B. lowering osmotic pressure
- C. creating a hypertonic environment
- D. creating a hypotonic environment Discuss
- 9. Which of the following has most heat resistant spores?
Options- A. Clostridium histolyticum
- B. Clostridium perfringens
- C. Bacillus stearothermophilus
- D. Bacillus cereus Discuss
- 10. The time required to kill 90% of the microorganisms in a sample at a specific temperature is the
Options- A. decimal reduction time
- B. thermal death point
- C. F value
- D. D value Discuss
Hepatitis Viruses problems
Search Results
Correct Answer: all of the above
Correct Answer: All of these
Correct Answer: It may cause hepatocellular carcinoma
Correct Answer: HbsAg
Correct Answer: superinfection of an HBsAg carrier by HDV
Correct Answer: Destruction of contaminated materials
Correct Answer: Ethylene oxide
Correct Answer: creating a hypertonic environment
Correct Answer: Bacillus stearothermophilus
Correct Answer: D value
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