18 Questions
What is the recommended dilution of a 5.25% solution of sodium hypochlorite according to CDC?
1:10
Which heavy metal salt is commonly used as an antiseptic?
Copper
What is the main mechanism of antibacterial activity for phenolics?
Cell wall disruption
What is the contact time required for formaldehyde to be effective against mycobacteria?
30 minutes
Which aldehyde is known for its sporicidal action within 3 to 10 hours?
Glutaraldehyde
Which compound is non-sporicidal and found in germicidal soaps?
Quaternary ammonium compounds
Which heavy metal salt is used in eye drops for Neisseria gonorrhoeae?
Mercury
What makes glutaraldehyde effective against HIV and Hepatitis B?
'Cross-linking' proteins
Which compound is commonly found in hospital floors for its antibactericidal effect through cell wall disruption?
Quaternary ammonium compounds
What is the cornerstone of modern infection control programs to prevent nosocomial infections?
Handwashing
Which type of infection is confined to one area of the body with signs and symptoms localized in that area?
Local infection
What type of infection spreads throughout the body via blood and lymphatic system?
Systemic infection
Which type of systemic infection is defined as the presence of bacteria in the blood without active multiplication?
Bacteremia
Which type of systemic infection involves active multiplication of organisms in the blood?
Septicemia
What is the term for an infection that starts locally in one part of the body and then spreads to other areas?
Focal infection
What do the initials 'Py' and 'Emia' stand for in Pyemia?
'Pus' and 'Blood'
What is the primary means through which nosocomial infections can be avoided?
Proper handwashing
What is the term for an infection that spreads through blood and lymphatic vessels throughout the body?
Systemic infection
Test your knowledge on ionizing and non-ionizing radiation with this quiz! Learn about the differences between the two types of radiation, their effects on DNA, and their applications in sterilization and disinfection.
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