Question 1

Cetrimide inhibits bacterial growth because of its ________ properties.&#10;A) detergent&#10;B) oxidising&#10;C) alkylating&#10;D) reducing

Accepted Answer

Cetrimide is a quaternary ammonium compound that acts as a detergent. It disrupts the bacterial cell membrane, leading to cell lysis and inhibiting bacterial growth.

Question 2

An example of an antiseptic is:&#10;A) cetrimide.&#10;B) sodium hypochlorite.&#10;C) penicillin.&#10;D) ethylene oxide.

Accepted Answer

Cetrimide is a type of antiseptic that is used to disinfect wounds, prevent infection, and promote healing. It works by disrupting the cell membrane of microorganisms such as bacteria and fungi, ultimately leading to their death. Sodium hypochlorite is a disinfectant and not an antiseptic. Penicillin is an antibiotic used to treat bacterial infections and not an antiseptic. Ethylene oxide is a chemical used for sterilization and not an antiseptic.

Question 3

An example of a sterilant is:&#10;A) cetrimide.&#10;B) sodium hypochlorite.&#10;C) ethylene oxide.&#10;D) penicillin.

Accepted Answer

Ethylene oxide is a sterilant because it kills all forms of microbial life including spores. It is used in the sterilization of medical and surgical equipment. Cetrimide is an antiseptic, not a sterilant. Sodium hypochlorite is a disinfectant, not a sterilant. Penicillin is an antibiotic, not a sterilant.

Question 4

What is the indication of topical silver preparations?&#10;A) Burns&#10;B) Acne&#10;C) Eczema&#10;D) Warts

Accepted Answer

Topical silver preparations are mainly used for burns as they have antimicrobial properties and can help prevent infection in the affected area. Silver preparations may also have some benefit in wound care and the prevention of scarring. Acne, eczema, and warts are typically treated with other types of topical medications.

Question 5

An example of a disinfectant is:&#10;A) cetrimide.&#10;B) sodium hypochlorite.&#10;C) penicillin.&#10;D) ethylene oxide.

Accepted Answer

Sodium hypochlorite is a disinfectant commonly used for household and industrial cleaning purposes. It is effective against a wide range of microorganisms and is relatively inexpensive compared to other disinfectants.

Question 6

What is the main difference between antiseptics and disinfectants?&#10;A) Antiseptics are for use on inanimate objects&#10;B) Disinfectants are used on the human body&#10;C) Antiseptics are used on the human body&#10;D) Both can be used on either surface

Accepted Answer

The main difference between antiseptics and disinfectants is that antiseptics are used on the human body while disinfectants are used on inanimate objects.

Deck 71: Antiseptics and Disinfectants