In addition to building bones and teeth, calcium is important also for the following activity:
bile production
blood clotting
urine production
blood production
The Correct Answer is B
A. Bile production: Bile production occurs in the liver and is not directly related to calcium.
B. Blood clotting: Calcium plays a crucial role in the clotting cascade by helping activate clotting factors.
C. Urine production: Urine production is regulated by the kidneys and involves water and electrolyte balance, not directly calcium.
D. Blood production: Blood cell production (hematopoiesis) occurs in the bone marrow and is not calcium-dependent.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Produce more carbonic acid: Hyperventilation reduces carbonic acid levels, not increases it.
B. Retain carbon dioxide: Rapid breathing eliminates, not retains, CO₂.
C. Get rid of excess carbon dioxide: Hyperventilation is a compensatory mechanism to eliminate CO₂ and correct acidosis.
D. Lower the blood pH level: Removing CO₂ actually raises the blood pH.
Correct Answer is A
Explanation
A. hyperkalemia: Elevated potassium can cause fatal cardiac arrhythmias.
B. hyponatremia: While it can be serious, it typically causes neurologic symptoms and is less immediately life-threatening than hyperkalemia.
C. hypokalemia: Also dangerous but usually less acutely life-threatening than hyperkalemia.
D. hypernatremia: Can cause serious symptoms but not as immediately dangerous to cardiac function.
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