Milady Chapter 7 Dermatology Quiz & Flashcards

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Questions and Answers

Define dermatology.

Medical branch of science that deals with the study of skin and its nature, structure, functions, diseases and treatment.

Briefly describe healthy skin.

Healthy skin should be free of any visible signs of disease, infection or injury. Slightly moist, soft and flexible. Smooth, fine-grained texture. Slightly acidic.

Name the two main divisions of the skin and the layers within each division.

Epidermis: stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum germinativum; Dermis: papillary layer, reticular layer.

List the three types of nerve fibers found in the skin.

Motor nerve fibers, sensory nerve fibers, secretory nerve fibers. Signup and view all the answers

The skin can be nourished with cosmetic products.

False Signup and view all the answers

What are collagen and elastin?

Collagen: fibrous protein that gives the skin form and strength; Elastin: protein base similar to collagen that forms elastic tissue. Signup and view all the answers

Explain how collagen and elastin can be weakened.

Age, lack of moisture, environmental damage such as UV light, frequent changes in weight, gravity. Signup and view all the answers

Name the two types of glands contained within the skin and describe their functions.

Sudoriferous (sweat) glands excrete perspiration and detoxify the body; Sebaceous (oil) glands secrete sebum to lubricate the skin. Signup and view all the answers

What are the six important functions of the skin?

Protection, sensation, heat regulation, excretion, secretion, absorption. Signup and view all the answers

What are the six classes of nutrients that the body needs and how are they obtained?

Carbohydrates, fats, proteins, vitamins, minerals, and water. These essential nutrients are obtained through eating and drinking. Signup and view all the answers

What are the five basic food groups?

Grains, vegetables, fruits, milk, meat-poultry-fish, and beans. Signup and view all the answers

Name four vitamins that can help the skin and describe how they help.

Vitamins A, C, D & E. A: supports skin health; C: important for skin repair; D: helps absorb calcium; E: protects from UV damage. Signup and view all the answers

What is the one essential item that no person can live without? Why is it essential to the skin and body?

Water. Drinking pure water is essential for cell health, toxin elimination, temperature regulation, and proper digestion. Signup and view all the answers

Study Notes

Dermatology and Skin Health

Dermatology is the medical field focused on skin study, encompassing its structure, functions, diseases, and treatments.
Healthy skin is free from signs of disease or injury; it is slightly moist, soft, flexible, smooth, fine-grained, and has a slightly acidic pH.

Structure of Skin

The skin consists of two main divisions:
- Epidermis: Comprising five layers – stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum germinativum.
- Dermis: Includes two layers – papillary layer and reticular layer.

Nerve Fibers in the Skin

There are three types of nerve fibers:
- Motor nerve fibers control movement.
- Sensory nerve fibers transmit sensation.
- Secretory nerve fibers regulate glandular secretion.

Skin Nourishment

The skin does not obtain nourishment from cosmetic products; it requires nutrients from food.

Proteins in Skin

Collagen: A fibrous protein providing skin strength and form.
Elastin: A protein that creates elastic tissue, maintaining skin flexibility.

Factors Weakening Collagen and Elastin

Weakening factors include aging, moisture loss, UV damage, weight fluctuations, and gravity.

Skin Glands and Functions

Sudoriferous (sweat) glands: Excrete perspiration and detoxify the body.
Sebaceous (oil) glands: Secrete sebum for skin lubrication and hair softness.

Functions of the Skin

Six key functions:
- Protection
- Sensation
- Heat regulation
- Excretion
- Secretion
- Absorption

Essential Nutrients

Six classes of nutrients essential for health:
- Carbohydrates
- Fats
- Proteins
- Vitamins
- Minerals
- Water
These nutrients are derived from food and beverages.

Basic Food Groups

Five basic food groups:
- Grains
- Vegetables
- Fruits
- Milk
- Meat, poultry, fish, and beans

Vitamins Beneficial for Skin

Four important vitamins and their benefits:
- Vitamin A: Improves skin elasticity and thickness; supports repair and health of skin cells.
- Vitamin C: Essential for skin repair, collagen production, and fighting aging.
- Vitamin D: Aids calcium absorption; promotes skin healing.
- Vitamin E: Protects against UV damage and supports skin health.

Importance of Water

Water is vital for overall health; it sustains cell health, aids toxin elimination, regulates temperature, and supports digestion.

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Description

Test your knowledge on Chapter 7 of Milady with these review questions about dermatology. This quiz covers definitions and characteristics of healthy skin, as well as other key concepts in skin care. Perfect for students preparing for exams in the field.

Milady Chapter 7: Dermatology Flashcards

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