A 68-year-old patient has been admitted to the coronary care unit after an inferior myocardial infarction
Dopamine 3 mcg/kg/min has been ordered for this patient. What nursing implications should be considered when administering this drug to an older patient?
a. No changes are noted in older patients with this drug.
b. Drug effect is enhanced by increased receptor site action.
c. Increased breakdown by liver hepatocytes occurs, increasing dosage requirements.
d. Drug metabolism and detoxification are slowed, increasing the risks of drug toxicity.
D
Reduced drug-metabolizing capacity is caused by a decline in activity of the drug-metabolizing enzyme system, microsomal ethanol oxidizing system, and decrease in total liver blood flow. Medications that depend on the cytochrome P450 group of liver enzymes are most affected because age-associated changes cause as much as a 50% decline in enzymatic function.
You might also like to view...
The nurse is preparing to assess a hospitalized patient who is experiencing significant shortness of breath. How should the nurse proceed with the assessment?
a. The patient should lie down to obtain an accurate cardiac, respiratory, and abdominal assessment. b. A thorough history and physical assessment information should be obtained from the patient's family member. c. A complete history and physical assessment should be immediately performed to obtain baseline information. d. Body areas appropriate to the problem should be examined and then the assessment completed after the problem has resolved.
A nurse has frequent visitors while working. The manager has discussed with the nurse the negative effect of these visits on client care. What should the manager do next?
1. Ask staff if the visits have decreased. 2. Arrange a follow-up meeting with the nurse. 3. Counsel all nursing staff regarding the limitations of personal visitors. 4. Arrange to be visible on the nursing unit when this nurse is working.
A patient with a burn injury is prescribed silver nitrate. Which nursing interventions should be included in the care for this patient?
Select all that apply. 1. Monitor daily weight. 2. Monitor serum sodium levels. 3. Prepare to change the dressings every 2 hours. 4. Report black skin discolorations. 5. Saturate the dressings every 2 hours with a 0.5% aqueous solution of silver nitrate.
Calls for nursing in the theory of nursing as caring are calls for nurturance of personhood through personal expressions of caring
Indicate whether this statement is true or false.