A patient who takes phenytoin reports regular alcohol consumption. The nurse might expect a serum phenytoin level in this patient to be in which range?
a. 5 to 10 mcg/mL
b. 10 to 20 mcg/mL
c. 20 to 30 mcg/mL
d. 30 to 50 mcg/mL
ANS: A
Chronic ingestion of alcohol increases hydantoin metabolism, which would decrease serum drug levels. The therapeutic range is 10 to 20 mcg/mL, so a level lower than this may be expected in patients who consume alcohol regularly.
You might also like to view...
The nurse is planning a program for community members to highlight the Healthy People 2020 areas applicable to older people. Which topics would the nurse include in this program? Standard Text: Select all that apply
1. Cancer 2. Food safety 3. Tobacco use 4. Employment 5. Heart disease
A client is admitted to the emergency department with tachycardia, hypotension, and a serum sodium level of 115 mEq/L. What does the client's serum sodium level indicate?
a. Normal serum sodium value b. Hyponatremia c. Hypernatremia d. Hypocalcemia
Which data charted in the assessment are consistent with common bile duct obstruction?
What will be an ideal response?
A patient sustains a vaginal tear during the labor and delivery process and is experiencing profuse vaginal bleeding. What should the nurse instruct the patient about this injury?
A) This injury will heal rapidly. B) Surgery is needed to repair the tear. C) Future vaginal deliveries will be compromised. D) Bleeding will continue for several weeks to months.