What is the function of aldosterone?
It increases both Nat and K+ secretion.
It causes the urine to be more diluted.
It reduces Na* reabsorption and K+ secretion.
It increases Nat reabsorption and K+ secretion.
The Correct Answer is D
A. It increases both Na+ and K+ secretion: Aldosterone increases sodium (Na+) reabsorption and potassium (K+) secretion, but it does not increase the secretion of both ions.
B. It causes the urine to be more diluted. Aldosterone causes the urine to be more concentrated by increasing sodium reabsorption and potassium secretion.
C. It reduces Na+ reabsorption and K+ secretion. Aldosterone actually increases sodium reabsorption and potassium secretion, not reduces them.
D. It increases Na+ reabsorption and K+ secretion. Aldosterone promotes sodium reabsorption in the kidneys and increases potassium secretion, leading to more concentrated urine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. While in a secondary follicle: The ovum completes meiosis only after fertilization, not while in a secondary follicle.
B. While in a primary follicle: The ovum is arrested in prophase I of meiosis while in a primary follicle. Meiosis is not completed until fertilization.
C. During fertilization: The ovum completes meiosis II during fertilization, which is when the second meiotic division is completed.
D. During implantation: Meiosis is not completed during implantation. It is completed at fertilization.
Correct Answer is D
Explanation
A. Salivary glands are accessory organs of digestion as they secrete saliva containing enzymes to start digestion.
B. Liver is an accessory organ involved in digestion, particularly in bile production and processing nutrients.
C. Pancreas is an accessory organ that secretes digestive enzymes into the small intestine.
D. Spleen is not involved in digestion; it is primarily involved in immune function and blood filtration.
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