Dermatology Tech Certification Flashcards

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Questions and Answers

What is a macule?

A raised lesion which is up to 1 cm in diameter
A solid, spherical lesion which is at least 0.5 cm in diameter
A flat lesion which is up to 1.5 cm in diameter (correct)
A solid, plateau-like elevation measuring at least 1 cm in diameter

What characterizes a patch?

A flat lesion at least 1 cm in diameter, which can be scaly or textured.

What is a papule?

A raised lesion which is up to 1 cm in diameter.

What defines a nodule?

A solid, relatively spherical lesion at least 0.5 cm in diameter. Signup and view all the answers

What is a cyst?

A spherical lesion filled with semi-solid material. Signup and view all the answers

What characterizes a plaque?

A solid, plateau-like elevation measuring at least 1 cm in diameter. Signup and view all the answers

What is a wheal?

A lesion resulting from swelling of the skin, also known as a hive (C) Signup and view all the answers

What is a vesicle?

A small fluid-filled blister on the skin. Signup and view all the answers

What is a bulla?

A large fluid-filled blister on the skin. Signup and view all the answers

What is a pustule?

A raised lesion containing pus. Signup and view all the answers

What is erosion in dermatology?

Partial loss of the epidermis. Signup and view all the answers

What defines an ulcer?

A deeper loss of skin, affecting the epidermis and dermis. Signup and view all the answers

What is atrophy in the context of skin lesions?

Thinning of the skin or loss of skin structure. Signup and view all the answers

What is scaling?

The shedding of the outer layer of skin cells. Signup and view all the answers

What does crusting refer to in dermatology?

Formation of a crust over a lesion due to dry serum or blood. Signup and view all the answers

What are excoriations?

Self-induced skin abrasions, usually from scratching. Signup and view all the answers

What are fissures?

Splits or cracks in the skin. Signup and view all the answers

What is lichenification?

Thickened skin with a leathery texture due to chronic irritation. Signup and view all the answers

What does erythematous mean?

Referring to redness of the skin. Signup and view all the answers

What does violaceous refer to?

Having a violet or purple color. Signup and view all the answers

What does purpuric mean?

Related to purple or red spots caused by bleeding under the skin. Signup and view all the answers

What does hypo-hyperpigmented refer to?

Referring to areas of skin with less (hypo) or more (hyper) pigment than surrounding skin. Signup and view all the answers

What does linear mean in dermatology?

Lesions that appear in a line or streak. Signup and view all the answers

What does annular refer to?

Lesions that form a ring shape. Signup and view all the answers

What does nummular/discoid mean?

Referring to coin-shaped lesions. Signup and view all the answers

What is blaschkoid?

Referring to lesions that follow the lines of Blaschko's skin lines. Signup and view all the answers

What does morbilliform mean?

Resembling measles with a widespread rash. Signup and view all the answers

What does polycyclic mean?

Referring to lesions that have multiple rounded shapes. Signup and view all the answers

What does arcuate mean?

Referring to curved or arc-like lesions. Signup and view all the answers

What does reticular mean?

Referring to a net-like pattern of lesions. Signup and view all the answers

Match the following raised lesions with their definitions:

Papule = A raised lesion which is up to 1 cm in diameter Nodule = A solid, relatively spherical lesion which is at least 0.5 cm in diameter Cyst = A spherical lesion which is filled with semi-solid material Plaque = A solid, plateau-like elevation measuring at least 1 cm in diameter Wheal = Lesion resulting from swelling of the skin caused by fluid escape Signup and view all the answers

What does punctum refer to?

A blackhead-like pore on a cyst. Signup and view all the answers

What is psoriasis?

Erythematous and scaly area on elbows and knees. Signup and view all the answers

Study Notes

Lesion Types

Macule: Flat lesion with a diameter up to 1.5 cm.
Patch: Flat lesion at least 1 cm in diameter; may be scaly or textured.
Papule: Raised lesion up to 1 cm in diameter, potentially slightly larger.
Nodule: Solid, spherical lesion with a minimum diameter of 0.5 cm.
Cyst: Spherical lesion filled with semi-solid material.
Plaque: Plateau-like solid elevation measuring at least 1 cm in diameter.
Wheal: Swelling of the skin due to plasma fluid escape, commonly referred to as a hive.

Fluid-filled Lesions

Vesicle: A small, fluid-filled lesion (definition not provided).
Bulla: A larger fluid-filled lesion (definition not provided).
Pustule: A lesion containing pus (definition not provided).

Skin Changes and Damage

Erosion: Loss of the superficial layer of skin (definition not provided).
Ulcer: Deeper loss of skin integrity (definition not provided).
Atrophy: Thinning of the skin (definition not provided).
Scaling: Flaking or shedding of the outer layers of skin (definition not provided).
Crusting: Formation of a crust over a lesion (definition not provided).
Excoriations: Scratch marks or abrasions on the skin (definition not provided).
Fissures: Linear cracks in the skin (definition not provided).
Lichenification: Thickened skin with increased markings due to chronic scratching or irritation (definition not provided).

Color and Pattern Descriptors

Erythematous: Reddened skin, indicative of inflammation.
Violaceous: Purplish-red coloration of the skin.
Purpuric: Skin lesions caused by bleeding under the skin, such as petechiae or ecchymoses.
Hypo-Hyperpigmented: Terms referring to areas of skin that are lighter (hypopigmented) or darker (hyperpigmented) than surrounding skin.
Linear: Lesions or markings arranged in a straight line.
Annular: Ring-shaped lesions.
Nummular/Discoid: Coin-shaped lesions.
Blaschkoid: Lesions following the lines of embryonic development.
Morbilliform: Measles-like rash characterized by maculopapular lesions.
Polycyclic: Lesions that are circular or round and overlap.
Arcuate: Semi-circular lesions.
Reticular: Net-like appearance of lesions.

Raised Lesions

Raised Lesions include: Papule, Nodule, Cyst, Plaque, and Wheal.

Miscellaneous

Punctum: A blackhead-like pore found on a cyst.
Psoriasis: Characterized by erythematous, scaly areas commonly found on elbows and knees.

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Description

Test your knowledge with these flashcards designed for the Dermatology Tech Certification. Each card covers essential dermatological terms and definitions that are crucial for understanding skin lesions. Perfect for both students and professionals looking to refresh their knowledge.