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Pharmacology: Topical Agents and Classification

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Pharmacology: Topical Agents and Classification

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Questions and Answers

What is a characteristic of talc?

Highly reactive

Strong, pungent odor

Soluble in water

Fine white powder with smooth, greasy feeling (correct)

What is the purpose of protective agents in dermatology?

To peal the skin

To moisturize the skin

To treat skin irritations

To prevent skin irritations (correct)

What is the process of preparing talc?

Boiling talc with dilute HCl (correct)

Mixing talc with water

Heating talc to high temperatures

Boiling talc with dilute NaOH

Which of the following is NOT a type of topical agent formulation?

Syrup (A) Signup and view all the answers

What is the purpose of zinc oxide in cosmetics?

As a protective agent (D) Signup and view all the answers

What is titanium dioxide commonly used for in cosmetics?

As a sunscreen (D) Signup and view all the answers

What is the molecular weight of Zinc Oxide?

81.34 (D) Signup and view all the answers

What is the reaction for the preparation of Zinc Oxide from Zinc Sulfate?

ZnSO4 + Na2CO3 ----- ZnO + Na2SO4 (A) Signup and view all the answers

What is Calamine used for in dermatology?

To treat skin eruptions and sunburn effects (D) Signup and view all the answers

What is the property of Titanium Dioxide that makes it useful in sunscreens?

Its high refractive index (D) Signup and view all the answers

What is the common use of Titanium Dioxide in cosmetics?

As a sunscreen agent (A) Signup and view all the answers

What is the common characteristic of Calamine and Titanium Dioxide as topical protective agents?

They are both insoluble in water (C) Signup and view all the answers

What is the primary function of sanitizers?

To maintain health for sanitization purposes (C) Signup and view all the answers

Which of the following is an example of an oxidative anti-microbial agent?

Hydrogen peroxide (B) Signup and view all the answers

What is the primary difference between antiseptics and disinfectants?

Antiseptics are used for living objects, while disinfectants are used for non-living objects (B) Signup and view all the answers