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- In the palpation method of indirect blood pressure measurement, only diastolic pressure can be obtained. a. False b. True The source of energy in this type of machine is electricity: Select one: a. All of the choices b. EEG c. EMG d. Electrosurgical unitA medication order for a 44-lb pediatric patient calls for vancomycin, 10 mg/kg, to be administered by IV infusion. The lab has a 10-mL injection containing 500 mg of vancomycin. The nurseadds the correct amount to a 100-mL bag of NS a. How many mLs of the injection were added to the bag of NS? b. What is the exact concentration of vancomycin in the resulting IV infusion, in mg/mL?The following can be known by using a vascular doppler: Select one: a. If a person has stenosis b. If a valve is allowing bi-directional blood flow c. All of the choices d. If there is a reverse blood flow On an ECG paper, to which parameter does the vertical axis corresponds? Select one: a. Frequency b. Time c. Amplitude (voltage) In order to perform a 12 LEAD ECG 12 electrodes are used. Select one: a. True b. False
- A patient is to receive 75 mL of a solution through IV infusion. a. Calculate the total drops delivered if using an administration set that provides 15 drops/mL. (Do not round) b. If the infusion lasts 2 hours, calculate the number of drops delivered each minute.Compare and contrast the following methods: used in in the determination of clotting/coagulation time is to: 1. Lee & White Method 2. Slide or Drop Method 3. Wright's Capillary tube method. Cite the following: a. Advantagesb. Disadvantagesc. Errorsd. Sensitivity e. Reability 2. What will be the effect of the following on clotting time: a. Hemolyzed specimen b. Effect of glass tubesA plastic bag contains physiological saline solution for infusion into the blood stream. If the pressure in your vein is 15 torr, what is the minimum height required for infusing the saline into the vein at a pressure of 20 torr above the pressure in the vein (assume rsal = 1 kg/L). Note: ignore the pressure drop in the %3D injection needle! O 55 cm O 48 cm O 23 cm O 66 cm O 74 cm O 35 cm
- Before administering theophylline drug to your patient, your clinical instructor asked you about the important parameters/measures you need to check? Your answer would be? a. Ensure that the blood pressure is within the normal range b. Ensure that the theophylline level is within 10-20 mcg/mL c. Ensure that the hemoglobin level is normal d. Ensure that the theophylline level is normalThe following is true of the cardiac catheterization A. Performed by passing a thin flexible tube over a guide wire into the left or right side of the heart B. It can only be cannulated through a large artery C. The cardiac catheterization can be done in a non-sterile fashion D. The cardiac catheterization is never performed through veins. Choose the correct answerA blood transfusion is being set up in an emergency room for an accident victim. Blood has a density of 1060 kg/m3 and a viscosity of 4*10^-3 Pa.s. The needle being used has a length of 3 cm and an inner radius of 0.25 mm. The doctor wishes to use a volume flow rate through the needle of4.5*10^-8 m3/s. What is the distance h above the victim’s arm where the level of the blood in the transfusion bottle should be located?
- You are shadowing a nurse during a clinical who receives an order to adjust the infusionrate of a pump so that 1.6 mg of lidocaine are being delivered per minute. Hanging is a100 mL piggyback containing 0.4 grams lidocaine, a 0.4% solution. How many mL perhour should the piggyback be set to deliver? How long will the piggyback last?A patient is experiencing worsening hypotension and is prescribed norepinephrine continuous infusion. a. Prescription: Start Norepinephrine (levophed) 0.5 mcg/min and titrate to maximum of 12 mcg/min to maintain mean arterial pressure great than 65. b. Pharmacy has mixed the drip as Norepinephrine 4mg in 250mL of D5W. c. How many mL/hr should the nurse program the pump to deliver 0.5mcg/min?The following results are obtained for a patient using a point-of-care device that employs the conductivity method to measure the hematocrit: Sodium = 160 mmol/L (Reference interval: 135 to 145 mmol/L) Potassium = 3.6 mmolL (Reference interval: 3.5 to 5.5 mmol/L) HCT = 17.0% (0.17 LL) HGB = 6.0 g/dL. 1. Which electrolyte concentration could affect the hematocrit? 2. Would this electrolyte concentration falsely decrease or increase the hematocrit value? 3. What other factors can decrease the hematocrit value using this point-of-care device?
