Which of the following are macronutrients?
Sodium, potassium, carbohydrates, lipids, and proteins
Carbohydrates, lipids, proteins, and water
Nucleic acids, carbohydrates, lipids, and proteins
Carbohydrates, lipids, and proteins, but not water
The Correct Answer is D
A. Sodium, potassium, carbohydrates, lipids, and proteins: Sodium and potassium are micronutrients, not macronutrients.
B. Carbohydrates, lipids, proteins, and water: Carbohydrates, lipids, and proteins are macronutrients, but water is not classified as a macronutrient. This option is partially correct but includes water, which is not a macronutrient.
C. Nucleic acids, carbohydrates, lipids, and proteins: Nucleic acids are not classified as macronutrients; carbohydrates, lipids, and proteins are.
D. Carbohydrates, lipids, and proteins, but not water: Carbohydrates, lipids, and proteins are macronutrients, and excluding water is correct since water is not a macronutrient.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Posterior pituitary releases hormones such as ADH (antidiuretic hormone), but it does not have aldosterone receptors.
B. Proximal convoluted tubule is involved in reabsorption, but it does not have aldosterone receptors.
C. Distal convoluted tubule: Aldosterone receptors are found in the cells of the distal convoluted tubule. Aldosterone increases sodium reabsorption and potassium excretion in this part of the nephron, which helps regulate blood pressure and electrolyte balance.
D. Adrenal medulla produces catecholamines (e.g., adrenaline) but does not contain aldosterone receptors.
Correct Answer is False
Explanation
Cleavage is a series of rapid mitotic divisions of a fertilized egg (zygote) that results in daughter cells (blastomeres) with the same number of chromosomes as the parent cell. However, if the context was about meiosis, then the statement would be accurate. Since the question does not specify meiosis, this is true for cleavage in general.
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