In general, the triglycerides that are _________ will be referred to as oils.
A long fatty acid chains
saturated fatty acids
unsaturated fatty acids
a high water content
The Correct Answer is C
A. A long fatty acid chains: Triglycerides with long fatty acid chains can be either saturated or unsaturated. The chain length affects melting point to some extent but does not solely determine whether the fat is a solid or liquid at room temperature.
B. Saturated fatty acids: Saturated triglycerides have no double bonds, making their fatty acid chains tightly packed. This structure leads to higher melting points, so they are generally solid at room temperature, as seen in butter or lard.
C. Unsaturated fatty acids: Unsaturated triglycerides contain one or more double bonds in their fatty acid chains, which introduce kinks that prevent tight packing. This structure lowers their melting point, making them liquid at room temperature and therefore classified as oils.
D. A high water content: Triglycerides are hydrophobic molecules that do not mix with water. Their classification as oils or fats depends on the degree of saturation of fatty acids, not water content, since triglycerides themselves contain virtually no water.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Synovial cavities are enclosed spaces found within freely movable joints, such as the knee or elbow. They are lined with a synovial membrane that secretes lubricating synovial fluid, but they do not have direct openings to the external environment. Their primary function is to reduce friction and allow smooth joint movement.
Correct Answer is D
Explanation
A. Cells: The study of cells specifically is called cytology, not histology. Cytology focuses on the structure, function, and life cycle of individual cells.
B. Cell chemistry: The chemical processes within cells are studied in biochemistry, which examines molecular interactions and metabolic pathways rather than tissue organization.
C. The gross structures of the body: Gross anatomy deals with structures visible to the naked eye, such as organs and organ systems, rather than microscopic structures.
D. Tissues: Histology is the study of tissues, which are groups of similar cells working together to perform specific functions. It examines the microscopic structure and organization of these tissues in the body.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.