Lipids are needed by the body: (Select all that apply)
For fluid balance
As component of myelin sheath
Component of hemoglobin
As component of cell membrane
As an energy source
Correct Answer : B,D,E
A. For fluid balance: Lipids do not play a direct role in maintaining fluid balance; electrolytes and plasma proteins like albumin regulate this function.
B. As a component of the myelin sheath: Lipids, particularly phospholipids and cholesterol, are essential for forming the myelin sheath, which insulates nerve fibers and facilitates efficient nerve conduction.
C. Component of hemoglobin: Hemoglobin is composed of iron and protein (globin chains), not lipids.
D. As a component of the cell membrane: Cell membranes are composed of a lipid bilayer (phospholipids and cholesterol), which helps maintain structural integrity and fluidity.
E. As an energy source: Lipids provide a concentrated energy source, yielding 9 kcal per gram, which is more than carbohydrates (4 kcal/g).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Epithelial: Epithelial tissue covers surfaces and lines cavities, but it does not include muscle tissue.
B. Connective: Connective tissue supports and binds other tissues but does not include muscle types.
C. Nervous: Nervous tissue transmits electrical signals and does not include muscle types.
D. Muscle: Skeletal, cardiac, and smooth tissues are all types of muscle tissue, responsible for voluntary and involuntary movements.
Correct Answer is C
Explanation
A. Your patient is trying to gain weight: A controlled carbohydrate diet does not necessarily mean weight gain; it is usually meant to regulate blood glucose levels.
B. Your patient has cancer: While nutrition is important for cancer patients, a carbohydrate-controlled diet is not specifically recommended for cancer management.
C. Your patient has diabetes mellitus: A carbohydrate-controlled diet is commonly prescribed for individuals with diabetes to regulate blood sugar levels.
D. Your patient has dementia: A carbohydrate-controlled diet is not directly related to dementia care, though proper nutrition is essential for cognitive health.
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