Which of the following is true of amino acids?
Building blocks of lipids
Classified as monosaccharide, disaccharides, and polysaccharides
Classified as essential and nonessential
Building blocks of carbohydrates
The Correct Answer is C
A. Building blocks of lipids: Amino acids are the building blocks of proteins, not lipids. Lipids are composed of fatty acids and glycerol.
B. Classified as monosaccharide, disaccharides, and polysaccharides: These classifications refer to carbohydrates, not amino acids.
C. Classified as essential and nonessential: Amino acids are classified as essential (must be obtained from diet) and nonessential (can be synthesized by the body).
D. Building blocks of carbohydrates: The building blocks of carbohydrates are simple sugars (monosaccharides), not amino acids.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
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.
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.
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