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A 76-year-old man with a history of chronic obstructive pulmonary disease has been receiving ventilatory support for 4 days after an acute myocardial infarction. The ventilator settings are VT 500 mL, IMV rate 8 breaths/min, FIO2 0.5, and PEEP/CPAP 5 cm H2O. ABG results on these settings are pH 7.37, PaCO2 36 mm Hg, PaO2 78 mm Hg, and SpO2 93%.The patient currently meets all criteria for weaning and is placed on a T-piece. Within 10 minutes he develops restlessness, tachycardia, rapid, shallow breathing, and diaphoresis. The SpO2 drops from 93% to 90%, and the pulmonary artery occlusion pressure rises from 12 to 17 mm Hg. The patient does not complain of chest pain and has no dysrhythmias.What do you think is responsible for the failed weaning attempt?

The flow–volume loop below is representative of which of the following conditions?

Order: Furosemide 8 mg IM stat. Available: Furosemide labeled 40 mg per 4 mL How many mL will you administer per dose?  _______ mL (Enter numeric answer only)  

Calculate the total output for the following client: _______ mL   Drank 1 cup of coffee (cup = 10 oz) Voided 250 mL of urine and had ½ cup of liquid stool (cup = 8 oz) Consumed ½ bowl of broth; 4 oz of Jell-O; 1 cup of apple juice (cup = 8 oz) Nasogastric tube drainage emptied 480 mL Consumed 2 peaches and 10 tsp ice cream Thick, yellow emesis of 50 mL   (Enter numeric answer only)

Convert 37 Celsius to Fahrenheit __________ F   Select the appropriate formula to use and calculate.   F = 1.8(C) + 32   OR   C = (F – 32) / 1.8   (Enter numeric answer only)

The health care provider ordered furosemide 20 mg IV stat for your patient with congestive heart failure.  You have the following available:     How many mL will you administer per dose? ______ mL   (Enter numeric answer only)   

Using the MAR and the label provided, calculate how much cephalexin the nurse will administer per dose?  _____ mL (Enter the numerical answer only.)   Electronic Medical Record – MAR Name: Juice, Orange Age: 48 DOB: 2/1/XX     MR # 21132 Allergies: NKDA Room # 200 Admit Date: 1/15/XX     Scheduled Medications Time Drug Name Dose Route Frequency Administration 0900 Cephalexin Oral Susp 0.5 g PO q12h    

Your patient has orders for Fragmin 12,500 international units (IU) subcutaneously 2 hours before surgery for a total hip replacement.  You have the following available:     How many mL will you administer? _______ mL   (Enter numeric answer only)   

The licensed prescriber orders Hydromorphone 1 mg IM q4h prn pain.  You have the following available:   How many mL will you administer per dose? _______ mL   (Enter numeric answer only)   

An order for regular insulin at 12 units/hr is received for a client with diabetic ketoacidosis.  Regular insulin 100 units in 250 mL of 0.9% NS is available.  How many mL/hr should the IV pump be programmed for? ____ mL/hr   (Enter numeric answer only)