Identify which of these elements determines pH range within the body's internal environment?
a. bicarbonate c. hydrogen
b. carbon dioxide d. oxygen
C
The normal body pH range of blood is from 7.35 to 7.45; blood pH above or below this range can cause profound physiologic problems. A blood pH level below 7.35 means that the concentration of hydrogen ions is elevated. A blood pH above 7.45 indicates excessive loss of hydrogen ions, resulting in alkalosis.
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A 60-year-old man asks the nurse if he should consume sports drinks while mowing the lawn in the summer to prevent dehydration. What response by the nurse is indicated?
1. "As long as you are drinking fluids, it doesn't really matter what they are.". 2. "If you drink only one sports drink a day, there should be no problem.". 3. "Let me review your lab results from last week before I reply.". 4. "You should drink only water.".
List the three stages of pregnancy.
What will be an ideal response?
A nurse is administering eye drops of two different drugs to a patient. How long should the nurse wait between the instillation of the first medication and the second medication?
A) At least 1 minute B) At least 5 minutes C) At least 15 minutes D) At least 20 minutes
The nurse is caring for a patient with acute renal failure with an elevated potassium level
The health care provider orders administration of insulin that causes potassium to return to the cell, thereby lowering serum potassium levels and the risks associated with hyperkalemia. The nurse recognizes this as a type of what? A) Passive transport B) Active transport C) Osmosis D) Diffusion