What is the primary function of the nephron?
Production of erythropoietin
Filtration, reabsorption, and secretion
Only filtration of blood
Regulation of acid-base balance
The Correct Answer is A
A. Production of erythropoietin: While the kidney produces EPO, this is a hormonal function and not the primary physical process of the nephron unit itself.
B. Filtration, reabsorption, and secretion: These are the three fundamental processes that allow the nephron to clear waste from the blood while retaining essential water and nutrients.
C. Only filtration of blood: Filtration is only the first step; without reabsorption, the body would lose all its fluid and nutrients in minutes.
D. Regulation of acid-base balance: This is one outcome of nephron function, but the primary mechanism involves the combined effort of filtration, reabsorption, and secretion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Check the client for injuries: The first step of the nursing process is assessment. The nurse must check for fractures, head injuries, or bleeding before moving the client.
B. Obtain a prescription for medication to sedate: Sedation increases the risk of future falls and does not address the immediate safety of the client.
C. Assist the client back into bed and apply restraints: Restraints are a last resort and often increase the risk of injury; they should not be applied without a specific medical order and clear indication.
D. Call the family and ask them to sit with the client: While family involvement is good, it is not the immediate priority. The nurse is responsible for the client's immediate physical assessment.
Correct Answer is ["2"]
Explanation
Desired /Available= x
1400mg/700mg= 2 tablets
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