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 D
Explanation
A ball and socket joint is a type of synovial joint where the rounded head of one bone fits into the concave socket of another bone, allowing movement in multiple directions. The shoulder joint is a classic example of a ball and socket joint, where the rounded head of the humerus bone fits into the shallow socket of the scapula bone, allowing for a wide range of movements such as flexion, extension, abduction, adduction, and rotation. The ankle joint is a hinge joint, the elbow joint is a hinge joint, and the knee joint is a complex hinge joint.
Correct Answer is A
Explanation
DNA is a double-stranded macromolecule made up of nucleotides that carry genetic information. The sequence of nucleotides in DNA determines the genetic code, which controls the development and function of living organisms. Chromosomes are structures made up of DNA and proteins that carry genes. Nucleotides are the building blocks of DNA and RNA. RNA, on the other hand, is a single-stranded macromolecule that plays a key role in protein synthesis by carrying genetic information from DNA to ribosomes.
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