What is the mechanism of action of allopurinol (Zyloprim) in preventing the formation of uric acid in the body?
A. Allopurinol specifically alters the ability of phagocytes to attack uric acid crystals.
B. Allopurinol is a noncompetitive inhibitor of xanthine oxidase, so uric acid formation is blocked.
C. Allopurinol blocks prostaglandin stimulation of the central nervous system, so uric acid formation is blocked.
D. None of the above are correct.
Answer: B
You might also like to view...
A client with a diagnosis of bipolar disorder has had several hospitalizations to treat this mental illness and feels that the care he received was not consistent with his best interests
The client's experience is indicative of which of the following needs? 1. Informed consent 2. Psychiatric advance directive (PAD) 3. Right to treatment 4. Competency
The exchange of carbon dioxide and oxygen that takes place at the alveolar level is termed:
a. tachypnea. b. internal respiration. c. external respiration. d. bradypnea.
An 83-year-old puts on a sweatshirt and jacket preparing to go outside where it is currently 60°F. What interpretation should the nurse give to these actions?
A) The client is experiencing a reaction to a medication. B) The client has decreased circulation due to heart failure. C) The client has a dementia and cannot make decisions. D) The client dresses to maintain an adequate internal temperature.
What other interventions should the PN reinforce to help June cope and manage her disease symptoms?
A. Quit your job to get more rest. B. Use relaxation techniques. C. Avoid wearing high heeled shoes. D. Rest in bed as much as possible. E. Eat several small meals a day.