Which type of skin cancer can be recognized in the lesion’s character based on the ABCD rule?
Squamous cell carcinoma
Basal cell carcinoma
Melanoma
Sarcoma
The Correct Answer is C
The ABCD rule is a mnemonic used to identify the characteristics of melanoma, which is a type of skin cancer. The leters stand for:
A -Asymmetry: One half of the mole or lesion does not match the other half.
B - Border irregularity: The edges are ragged, notched, or blurred.
C - Color: The color is not uniform and may include different shades of brown or black, or sometimes patches of pink, red, white, or blue.
D - Diameter: The size of the mole or lesion is greater than 6 mm (about the size of a pencil eraser), although melanomas can sometimes be smaller.
This rule is not as useful in detecting other types of skin cancer, such as squamous cell carcinoma, basal cell carcinoma, or sarcoma, as they tend to have different characteristics. However, any new or changing mole or lesion on the skin should be examined by a dermatologist to determine if it is cancerous.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Dermal papillae are small, raised structures in the dermis of the skin. They contain nerve endings, capillaries, and other specialized cells. Dermal papillae are responsible for creating fingerprints, as they push up into the epidermis and create ridges on the surface of the skin. These ridges are what give each person their unique pattern of fingerprints. Sudoriferous glands are responsible for producing sweat, Merkel cells are involved in touch sensation, and arrector pili are responsible for the contraction of hair follicles
Correct Answer is A
Explanation
Ceruminous glands are specialized sweat glands located in the skin of the ear canal. These glands secrete a waxy substance called cerumen or ear wax. Ear wax helps to lubricate and protect the skin of the ear canal and prevent the entry of foreign particles, such as dust and insects, into the ear. It also has antibacterial properties that help to protect the ear from infection. The amount and composition of ear wax vary from person to person and can be affected by factors such as age, genetics, and environmental conditions.
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