The Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"A"}
A. Proteins and carbohydrates; fats: Both proteins and carbohydrates yield approximately 4 kcal/g, while fats yield about 9 kcal/g due to their dense hydrocarbon structure.
B. Proteins; fats and carbohydrates: Carbohydrates do not yield 9 kcal/g; only fats do.
C. Fats; carbohydrates and proteins: Fats yield more energy, not less.
D. Carbohydrates; fats and proteins: Proteins and carbohydrates are equal in kcal/g; fats are higher.
E. Carbohydrates and fats; proteins: Fats yield the highest kcal/g, not proteins.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Na⁺ (Sodium): Sodium is the major extracellular cation and is the primary determinant of extracellular fluid volume and osmosis.
B. Cl⁻ (Chloride): Important, but usually follows sodium; not the primary driver of water distribution.
C. Ca²⁺ (Calcium): Vital for many functions but not the main regulator of fluid distribution.
D. K⁺ (Potassium): Primary intracellular cation, but sodium has a greater role in overall water movement across compartments.
E. Pi (Phosphate): Mainly intracellular; important in buffering and metabolism but not in water distribution.
Correct Answer is C
Explanation
A. Renal medulla: The renal medulla is the inner portion of the kidney, made up of renal pyramids.
B. Renal papilla: The renal papilla is the tip of a renal pyramid where urine drains into the minor calyx. It is a small, localized structure.
C. Renal cortex: The renal cortex is the outer layer of the kidney, lying just beneath the capsule and surrounding the medulla.
D. Major calyx: The major calyx is a large urine-collecting structure within the kidney that drains urine from minor calyces into the renal pelvis.
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