Chapter 03, Making Drug Dosing Safer TEST BANK INTRODUCTORY CLINICAL PHARMACOLOGY 12TH EDITION By Susan M Ford

TEST BANK INTRODUCTORY CLINICAL PHARMACOLOGY 12TH EDITION By Susan M Ford 1. A client has been taking warfarin 5 mg daily. After a check of the client's INR, the health care provider wants to increase the client's dose to 7.5 mg on Wednesdays and continue 5 mg on the other six days. The client has warfarin 5-mg tablets on hand. The nurse would instruct the client to take tablets on Wednesdays. Answer: 1.5 Rationale: The basic formula method for calculating dosages is taking the dose desired divided by the dose on hand. This will give the dose to be administered: 7.5 mg/5 mg = 1.5 tablets Question Format: Fill in the Blank Chapter: 3 Learning Objective: 4 Cognitive Level: Apply Client Needs: Physiological Integrity: Pharmacological Therapies Integrated Process: Clinical Problem-solving Process (Nursing Process) Reference: p. 39, Basic Formula Method of Dosage Calculation 2. A health care provider writes an order for a client to receive levothyroxine 0.2 mg, but 100-mcg tablets are supplied. The nurse would administer tablets to the client. Answer: two Rationale: 1000 mcg/1 mg = 100 mcg/X mg X = 100/1000 X = 0.1 mg 0.2 mg/0.1 mg = 2 Question Format: Fill in the Blank Chapter: 3 Learning Objective: 4 Cognitive Level: Apply Client Needs: Physiological Integrity: Pharmacological Therapies Integrated Process: Clinical Problem-solving Process (Nursing Process) Reference: p. 40, Ratio and Proportion Method by Hand 3. A client weighs 56 kg. The client weighs lb. Answer: 123.2 Rationale: Kilograms must be converted to pounds using the conversion factor of 2.2 pounds in 1 kg. Therefore, 56 2.2 = 123.2. Question Format: Fill in the Blank Chapter: 3 Learning Objective: 4