MEDICAL ASSISTING ยท CHAPTER 9

The Integumentary System

The skin's 3 layers, its 5 jobs, lesion types, melanoma warning signs, and the 26 skin conditions you'll actually see referenced in practice.

14
Objectives
42
Key terms
26
Diseases covered
10
Quiz questions
โœ… WHAT YOU SHOULD BE ABLE TO DO

Chapter Objectives

Everything this chapter covers, at a glance.

๐Ÿ”ค WORDS TO KNOW

Key Terms Glossary

Filter or search, then tap to flip open the definition.

๐Ÿง… 3 LAYERS DEEP

Structure of the Skin

Tap a card to flip it and see what each layer contains.

โš™๏ธ WHAT THE SKIN ACTUALLY DOES

The Skin's 5 Functions

Tap a card to flip it.

๐Ÿ”ฌ HARD TO BELIEVE

What's In 1 Square Centimeter of Skin

An unbelievable amount of anatomy packed into a tiny space.

The skin is the body's largest organ โ€” about 3,000 sq inches and ~15% of total body weight (~20 lbs on a 145-lb person).

๐Ÿฉน DESCRIBING WHAT YOU SEE

Types of Skin Lesions

The standard vocabulary for charting any skin finding.

๐Ÿ”ค WORD PARTS

Combining Forms for the Integumentary System

The building blocks behind the terminology.

โ˜€๏ธ THE MOST SERIOUS SKIN CANCER

ABCDE Signs of Melanoma

The 5-point checklist for evaluating a mole.

Feature
Ordinary Mole
Melanoma
๐Ÿฉบ CONDITIONS TO KNOW

Diseases & Disorders of the Skin

Filter by category, then tap a card for signs/symptoms and treatment.

โœจ COSMETIC PROCEDURES

Wrinkle & Aging-Skin Treatments

From least to most invasive.

๐Ÿ‘ต CHANGES ACROSS THE LIFESPAN

Age-Related Skin Changes

What tends to shift as people get older.

Infants/children: Soft, supple, beautiful skin. Teens often develop acne as oil gland secretion increases.

Older adults: Skin structure becomes less elastic as collagen degenerates โ€” wrinkles form, especially where there's more facial movement (eyes, mouth). Skin becomes thin, fragile, more pigmented, and bruises/bleeds easily from minor injury.

๐Ÿ“Œ STICKY NOTES

Big Takeaways

The chapter, broken into digestible sticky notes.

๐Ÿง  CHECK YOUR UNDERSTANDING

Quick Quiz

All answer choices are laid out โ€” just tap the one you think is right.