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 A
Explanation
A. Nervous tissue: Nervous tissue consists of neurons, which have dendrites (receive signals) and axons (transmit signals) to facilitate communication within the nervous system.
B. Muscle tissue: Muscle tissue contracts to cause movement but does not contain dendrites and axons.
C. Epithelial tissue: Epithelial tissue forms protective barriers and does not have neurons or nerve cell structures.
D. Connective tissue: Connective tissue supports and binds body structures but does not transmit nerve signals.
Correct Answer is C
Explanation
A. Lipids: Some hormones (e.g., steroid hormones like estrogen and testosterone) are lipid-based, but not all. Hemoglobin is a protein, not a lipid.
B. Glucose: Glucose is a carbohydrate used for energy, not for building hormones or hemoglobin.
C. Proteins: Hormones (such as insulin and growth hormone) and hemoglobin (which carries oxygen in red blood cells) are protein-based molecules essential for bodily functions.
D. Carbohydrates: Carbohydrates provide energy but do not contribute to the structure of proteins like hormones and hemoglobin.
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