Drugs For The Skin

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Which layer of the epidermis contains the only cells that are mitotically active?

Melanocytes layer

Stratum germinativum (correct)

Stratum corneum

Cornified layer

What is the primary function of the dermis?

To store fat cells

To produce melanin

To provide support and nourishment for the epidermis (correct)

To convert cytoplasm to keratin

What is the texture of the outer layer of the epidermis known as?

Cornified layer (correct)

Melanocyte layer

Basal layer

Stratum germinativum

Which component of the skin produces melanin, the pigment that determines skin color?

Melanocytes Signup and view all the answers

What is a characteristic of ointments?

They are thick and greasy with an oil or petroleum jelly base Signup and view all the answers

What is the major component found in the subcutaneous tissue?

Fat Signup and view all the answers

Which type of formulation is the best choice for conditions with thickened or inflamed skin?

Ointments Signup and view all the answers

Which type of formulation is recommended for oily skin due to its non-greasy nature?

Lotions Signup and view all the answers

What are pastes commonly used for?

Occluded areas like diaper rash under a diaper Signup and view all the answers

Why should occlusive dressings not be used with topical glucocorticoids?

To avoid excessive absorption Signup and view all the answers

Which type of agent promotes shedding of the stratum corneum?

Keratolytic agents Signup and view all the answers

What is a potential side effect of prolonged use of topical glucocorticoids?

Hypertrichosis Signup and view all the answers

How do glucocorticoids influence the risk of local infection?

Atrophy of dermis and epidermis Signup and view all the answers

Adrenal suppression is a concern associated with which type of medication?

Glucocorticoids Signup and view all the answers

Powders are most suitable for which type of area?

Areas prone to heavy perspiration Signup and view all the answers

Foams are preferred for which type of skin area?

Hairy areas Signup and view all the answers

What concentration range is typically used for achieving keratolytic effects?

3% to 6% Signup and view all the answers

Which symptom can occur if sulfur-containing compounds are used in large amounts for a long time?

Tinnitus Signup and view all the answers

What is the primary mechanism of action of benzoyl peroxide in treating acne?

Suppressing growth of P.acnes Signup and view all the answers

Which drug class is considered the principal agent for severe acne?

Isotretinoin Signup and view all the answers

Which option represents a common side effect of dapsone gel?

Redness Signup and view all the answers

What is the recommended approach to minimize acne lesions in patients with milder acne?

Cleansing with a gentle soap a couple of times a day Signup and view all the answers

Which oral therapy has been used for decades in leprosy and shows benefits in reducing inflammation and number of lesions in acne patients?

Dapsone Signup and view all the answers