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pharmacology chap 2
| Question | Answer |
|---|---|
| The patient is receiving two different drugs. At current dosages and dosage forms, both drugs are absorbed into the circulation in identical amounts. Which term is used to identify this principle? | Bioequivalent |
| When given an intravenous medication, the patient says to the nurse, “I usually take pills. Why does this medication have to be given in the arm?” What is the nurse’s best answer | “The action of the medication will begin sooner when given intravenously.” |
| The nurse is administering parenteral drugs. Which statement is true regarding parenteral drugs? | Parenteral drugs bypass the first-pass effect. |
| When monitoring the patient receiving an intravenous infusion to reduce blood pressure, the nurse notes that the patient’s blood pressure low, is lethargic and difficult to awaken. This would be classified as which type of adverse drug reaction? | Pharmacologic reaction |
| The nurse is reviewing pharmacology terms for a group of newly graduated nurses. Which sentence defines a drug’s half-life? | The time it takes for one half of the original amount of a drug to be removed from the body |
| When administering drugs, the nurse remembers that the duration of action of a drug is defined as which of these? | The time period at which a drug’s concentration is sufficient to cause a therapeutic response |
| When reviewing the mechanism of action of a specific drug, the nurse reads that the drug works by selective enzyme interaction. Which of these processes describes selective enzyme interaction? | The drug binds to an enzyme molecule and inhibits or enhances the enzyme’s action with the normal target cell |
| When administering a new medication to a patient, the nurse reads that it is highly protein bound. Assuming that the patient’s albumin levels are normal, the nurse would expect which result, as compared to a medication that is not highly protein bound | . The duration of action of the medication will be longer. |
| The patient is experiencing chest pain and needs to take a sublingual form of nitroglycerin. Where does the nurse instruct the patient to place the tablet? | Under the tongue |
| The nurse is administering medications to the patient who is in renal failure resulting from end-stage renal disease. The nurse is aware that patients with kidney failure would most likely have problems with which pharmacokinetic phase? | Excretion |
| A patient who has advanced cancer is receiving opioid medications around the clock to keep him comfortable as he nears the end of his life. Which term best describes this type of therapy? | Palliative therapy |
| The patient is complaining of a headache and asks the nurse which over-the-counter medication form would work the fastest to help reduce the pain. Which medication form will the nurse suggest? | A powder |
| The nurse will be injecting a drug into the fatty tissue of the patient’s abdomen. Which route does this describe? | Subcutaneous |
| Which drugs would be affected by the first-pass effect? (Select all that apply.) | c. Diphenhydramine (Benadryl) elixir d. Levothyroxine (Synthroid) tablets f. Esomeprazole (Nexium) capsule |
| A drug dose that delivers 250 mg has a half-life of 5 hours. Identify how much drug will remain in the body after one half-life. _______ | 125 mg |
Created by:
Camerra