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Week 5 Pharmacology
Week 5 Foms of Injectable Medications
| Question | Answer |
|---|---|
| An ampule can be used ______ times. | 1 |
| What item(s) can be used to prevent accidental cuts when breaking an ampule? | - alcohol wipe - sterile gauze - plastic protective sleeve |
| In order to prevent miniscule pieces of glass from entering the patient’s body, which needle should be used? | filter |
| A healthcare provider orders 10 mg of a medication for a patient. Available is a single-dose vial containing 10 mg/5 mL, or a multi-dose vial containing 100 mg/50 mL. Why would the nurse choose to use the single-dose vial? | To minimize the risk of cross-contamination between patients |
| Sequence the steps for withdrawing medication from a vial. | -Clean the diaphragm with an alcohol wipe. - Fill the syringe with the volume of air equal to the - Inject the correct amount of air into the vial. - Withdraw the precise dose of medication - Double-check the dose of medication with the provide. |
| When opened for the first time, vials have plastic or metal lids that must be removed prior to preparing the dose of the medication. What is the purpose of these lids? | To cover the diaphragm on top of the vial |
| Mix-o-vials usually contain what form of medication? | Single-dose injectable |
| Why is there a stopper between the two chambers of a mix-o-vial? | To separate the diluent and the powdered medication |
| How does one reconstitute a medication that is available in a mix-o-vial system? | Applying pressure to the top of the vial |
| If a medication dose is less than the amount in the cartridge, what should be done with the remaining medication? | Discard it |
| After selecting a prefilled medication cartridge to fill an order, which additional piece of equipment is required to inject the medication? | carpuject |
| To change needles before injecting a patient, which needle/syringe system would be required? | safety needle |
| A healthcare provider orders cefazolin 500 mg IM for a patient. To prepare the medication, it must be reconstituted with mL of diluent. | 2 |
| Arrange the steps of the reconstitution procedure in the correct order. | - Select the correct diluent. - Cleanse the diaphragm of the diluent vial. - nsert the needle into the vial and draw. - Cleanse the diaphragm of the powder vial. - Insert the needle into the powder vial’s d - Mix thoroughly and withdra |
| A healthcare provider orders 37.5 mg of thorazine IM stat for a psychiatric patient. Available is a 10 mL vial marked 25 mg/mL. Give ___ = mL. | 37.5 /25 x 1 = 1.5 |
| A healthcare provider orders 10,000 units of heparin subcutaneously, one dose post-op to prevent DVT. Give ))) mL. | 100,000/50,000 = 2 |
| To break the ampule, where should the pressure be placed? | Neck |
| A nurse draws up medication from an ampule using a filter needle and forgets to change to a regular needle before injecting the patient. Why is this a problem? | Glass and particles in the filter may be injected into the patient. |
| A nurse is to prepare 5 mg of a medication in a 2-mL ampule that is marked “5 mg/2 mL.” The nurse draws up two full mL, but there is still some medication in the ampule. What should the nurse do? | Double-check the amount in the syringe |
| A vial is different from an ampule in which of the following ways? | Ampules are broken open. - Vials are penetrated with a syringe. - Vials have a plastic cap over the rubber stopper. |
| A nurse is preparing a dose of diazepam for a patient who is having seizures in the ER. The dose ordered will require 2 mL of medication to be withdrawn from a multi-dose vial. How much air will the nurse inject into the vial before withdrawing the medica | 2 mL |
| What makes a vial a closed system? | Rubber stopper |
| Label the parts of a mix-o-vial. | - Diaphragm plunger - diluent - rubber stopper - powdered medication |
| What is contained in the upper chamber of the mix-o-vial? | diluent |
| Once the contents of a mix-o-vial medication are reconstituted, how is the medication withdrawn? | As one withdraws medication from a vial |
| A cartridge or prefilled syringe contains doses. | 1 |
| What additional protocol must be followed when there is excess narcotic medication left in a cartridge or prefilled syringe? | Waste it in the presence of another nurse. |
| Which are examples of medications that come in prefilled syringes? | EpiPen - Hepatitis B vaccine |
| A patient with ovarian cancer is to receive Carboplatin 400 mg IV q 4 weeks × 6 cycles. Give ____ mL per dose. | 45/ 450 x 400 = 18,000/450 = 40 |
| A healthcare provider ordered 750 mg IM of a ceftriaxone. Available is a 10 mL bottle that reads, “add 7.6 mL of sterile water for injection (SWI) to yield 100 mg/mL.” Give __ mL IM. | 750/100 =7.5 |
| A patient is to receive 250 mg of Solu-Medrol IM. Available is a vial that, once reconstituted according to package directions, yields 500 mg/8 mL. Give ____ mL. | 1/2 x 8 = 4 |
| A healthcare provider orders 1 gram of ampicillin IM. The available vial reads, “add 3.5 mL of diluent to obtain a concentration of 250 mg per mL.” Give ___ mL. | 1000/250 = 4 |
| The pharmacy prepares dantrolene IV for a patient with malignant hyperthermia. If the patient receives 7 mL of the medication after reconstitution, the patient has received mg. | 50 x 7 = 350 |
| Following the instructions on the label given, 20 mL of diluent is to be added to this vial of acyclovir. There are 1,000 mg of medication in the vial. If the patient is given two full vials then the patient receives IV of ___ grams. | 1 x 2 = 2 |
| The pharmacy prepares vancomycin IVPB for a patient. If diluted according to package directions, the resulting concentration will be of ___ mg/mLLabel showing Vancomycin hydrochloride for injection, USP | 1000/20 = 50 |
Created by:
Brandi Sizemore
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