Which epithelial membranes protect by forming a lining for all passages that are open to the exterior of the body?
Serous
Cutaneous
Mucous
Synovial
The Correct Answer is C
A. Serous: Serous membranes line closed body cavities (e.g., pericardium, pleura, peritoneum) and do not open to the exterior.
B. Cutaneous: The cutaneous membrane is the skin, which covers the body but does not line internal passages.
C. Mucous: Mucous membranes line body cavities and passages that are open to the external environment, such as the respiratory, digestive, and urogenital tracts.
D. Synovial: Synovial membranes line joint cavities and produce synovial fluid for lubrication, but they do not line external body passages.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Unsaturated fats (HDL): High-density lipoprotein (HDL) is considered "good cholesterol" because it helps remove LDL cholesterol from the blood, reducing the risk of heart disease.
B. Omega-3 fatty acids: Omega-3 fatty acids are healthy fats that reduce inflammation and lower the risk of heart disease by improving heart health.
C. Omega-6 fatty acids: While excessive omega-6 intake may contribute to inflammation, they are not the primary contributors to plaque buildup in blood vessels like saturated fats (LDL).
D. Saturated fats (LDL): Saturated fats increase low-density lipoprotein (LDL), also known as "bad cholesterol," which contributes to plaque buildup in arteries and increases the risk of heart disease.
Correct Answer is D
Explanation
A. Regeneration: Regeneration refers to the complete replacement of damaged tissue with the same type of cells, which is different from scar formation.
B. Sarcoma: Sarcoma is a type of malignant tumor originating in connective tissue, not a process of scar formation.
C. Meninges: The meninges are protective membranes surrounding the brain and spinal cord; they are unrelated to scar tissue formation.
D. Fibrosis: Fibrosis is the process of scar tissue formation when normal tissue is replaced by fibrous connective tissue after an injury.
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