From a pharmacology standpoint, which of the following best explains why levodopa is superior to dopamine?
1. It crosses the blood–brain barrier.
2. It has fewer adverse effects.
3. It has less risk for addiction.
4. It can be administered orally.
Correct Answer: 1
Rationale: Levodopa can cross the blood–brain barrier, where dopamine cannot. Levodopa administration leads directly to dopamine synthesis.
You might also like to view...
The nurse caring for a patient discharged to the home after extensive pancreatitic surgery documents the nursing diagnosis of risk for imbalanced nutrition: less than body requirements
The home care nurse arrives at this nursing diagnosis based upon the potential complications that may occur after surgery. Potential complications include: A) Proteinuria and hyperkalemia B) Hemorrhage and hypercalcemia C) Weight loss and hypoglycemia D) Malabsorption and hyperglycemia
The student nurse realizes that the Nightingale Training School of Nursing was unique for that time. It was unique because:
a. This was the first school of nursing in the West. b. It was the first nursing school to provide both theory-based knowledge and clinical skill-building. c. It was the first school of nursing to accept women. d. It was established to provide nurses to fight the Crimean War.
What is the current belief about the relationship of the use of combination oral contraceptives and the development of thromboembolism?
a. There is little, if any, relationship between them. b. There is an increased risk of thromboembolic disease in users of these oral contraceptives. c. Only an easily identified group of oral contraceptive users are at risk of thromboembolic disease. d. No one knows if there is a relationship between them.
When caring for a client receiving intraperitoneal chemotherapy, the nurse should monitor the client for:
a. abdominal discomfort. c. respiratory distress. b. thrombocytopenia. d. gastrointestinal distress.