________ is the type of cancer that can originate in muscle tissue.
Lymphoma
Carcinoma
Leukemia
Sarcoma
Melanoma
The Correct Answer is D
A. Lymphoma: Lymphoma arises from lymphatic tissue such as lymph nodes or lymphocytes. It does not originate in muscle tissue but rather in components of the immune system.
B. Carcinoma: Carcinoma develops from epithelial tissues such as the skin or the lining of organs. Since muscle tissue is mesenchymal in origin, carcinomas are not associated with muscle.
C. Leukemia: Leukemia originates in blood-forming tissues, particularly bone marrow, and results in abnormal proliferation of white blood cells. It is unrelated to muscle tissue.
D. Sarcoma: Sarcoma arises from connective tissues, including bone, cartilage, fat, and muscle. It is the cancer type associated with muscle tissue, specifically soft tissue sarcomas when involving skeletal or smooth muscle.
E. Melanoma: Melanoma develops from melanocytes, the pigment-producing cells in the skin. It does not originate in muscle tissue but in pigmented epithelial cells.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. blood and hyaline cartilage:Blood contains plasma and cells but very few fibers, and hyaline cartilage is mostly composed of a smooth extracellular matrix with limited collagen fibers. These tissues do not have abundant collagen.
B. ligaments, bones, and the superficial portion of the skin:While ligaments and bones contain collagen, the superficial portion of the skin (epidermis) is mostly epithelial tissue with minimal collagen, making this pairing inaccurate.
C. tendons, ligaments, and the deeper portion of the skin:Tendons and ligaments are rich in collagen fibers, which provide tensile strength. The deeper portion of the skin, the dermis, also contains abundant collagen, supporting skin structure and elasticity.
D. areolar tissue, tongue, and bones:Areolar tissue has loosely arranged collagen fibers, and the tongue contains muscle tissue interspersed with connective tissue, so collagen is present but not as abundant as in tendons and ligaments.
E. blood, adipose tissue, and osseous tissue:Blood and adipose tissue contain very few collagen fibers, while osseous tissue contains collagen within its mineralized matrix, making this combination inaccurate for abundant collagen.
Correct Answer is C
Explanation
A. forearm:The forearm has both sweat glands and sebaceous glands. Sebaceous glands are associated with hair follicles and are widely distributed across most of the body surface except for a few regions.
B. back:The back has abundant sebaceous glands along with sweat glands, which contribute to oily skin and acne formation in this area.
C. fingertips:Fingertips have sweat glands, particularly eccrine glands that help with grip and thermoregulation, but they lack sebaceous glands because there are no hair follicles in this region.
D. abdomen:The abdomen contains both sweat glands and sebaceous glands, distributed alongside hair follicles and skin structures.
E. buttocks:The buttocks also have both sweat and sebaceous glands, particularly around hair-bearing areas of skin.
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