Question #: 52 A 35 year old man is in your office and suddenly develops a severe asthmatic wheezing. You decide to use intravenous theophylline for treatment. The pharmacokinetics of theophylline include the following average parameters: Vd-35 L, CL 48 mL/min; half life 8hrs. If an intravenous infusion of theophylline is started at a rate. of 0.48 mg/min, how long will it take to reach >90% of the final steady state concentration?. A. 0.729 hr B. 8 hr C. 16 hr D. 32 hr E. 64 hr

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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Question #: 52
A 35 year old man is in your office and suddenly develops a severe asthmatic wheezing. You decide to use
intravenous theophylline for treatment. The pharmacokinetics of theophylline include the following average
parameters: Vd-35 L, CL 48 mL/min; half life 8hrs. If an intravenous infusion of theophylline is started at a rate
of 0.48 mg/min, how long will it take to reach >90% of the final steady state concentration?.
A. 0.729 hr
B. 8 hr
C. 16 hr
D. 32 hr
E. 64 hr
Transcribed Image Text:Question #: 52 A 35 year old man is in your office and suddenly develops a severe asthmatic wheezing. You decide to use intravenous theophylline for treatment. The pharmacokinetics of theophylline include the following average parameters: Vd-35 L, CL 48 mL/min; half life 8hrs. If an intravenous infusion of theophylline is started at a rate of 0.48 mg/min, how long will it take to reach >90% of the final steady state concentration?. A. 0.729 hr B. 8 hr C. 16 hr D. 32 hr E. 64 hr
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