A ciliated version of pseudostratified columnar epithelium containing mucus- secreting goblet cells
aids in digestion
is more durable than all other epithelia
is found in some of the larger glands
lines most of the upper respiratory tract
The Correct Answer is D
A. aids in digestion: Ciliated pseudostratified columnar epithelium is not involved in digestion. Digestive functions are primarily handled by simple columnar epithelium in the gastrointestinal tract.
B. is more durable than all other epithelia: While pseudostratified epithelium provides some protection, it is not the most durable epithelium. Stratified squamous epithelium is better suited to withstand abrasion and mechanical stress.
C. is found in some of the larger glands: Some simple columnar or cuboidal epithelia line glands, but ciliated pseudostratified columnar epithelium is not characteristic of glandular linings.
D. lines most of the upper respiratory tract: The ciliated pseudostratified columnar epithelium with goblet cells lines the nasal cavity, trachea, and bronchi. The cilia move mucus and trapped particles toward the throat, helping to clean and protect the respiratory system.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. chondrocyte:Chondrocytes are specialized cells found in cartilage tissue. They produce and maintain the cartilaginous extracellular matrix and are not present in areolar connective tissue.
B. mast cell:Mast cells are abundant in areolar connective tissue and play a key role in inflammation by releasing histamine and other chemical mediators during immune responses.
C. macrophage:Macrophages are present in areolar connective tissue, where they function in phagocytosis to remove pathogens, debris, and damaged cells.
D. fibroblast:Fibroblasts are the most common cells in areolar connective tissue. They produce fibers such as collagen and elastin, as well as the extracellular matrix that provides structural support.
Correct Answer is D
Explanation
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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