Nokea
Prior to administering a prescribed drug, the nurse correctly identifies the client by which method?
- A. Checking a client's name on his or her wristband
- B. Checking a client's chart
- C. Asking the client if the are Mr. Jones
- D. Asking a client if he or she is the correct client
Correct Answer: A
Rationale: Client identifiers can include visual and verbal methods. Visual methods include use of a recent picture of the client or client wristband. Verbal methods include asking the client for his or her name and another unique identifier, such as his or her birth date. Never ask a client, 'Are you Mr. Jones?' because some clients may respond by answering 'yes' even though that is not their name due to confusion or difficulty hearing. Checking the client's chart would be inappropriate to use for identifying the client.
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Which is not an antithyroid drug?
- A. Mercazolile
- B. Triiodthyronine
- C. Diiodthyrosine
- D. Potassium iodade
Correct Answer: B
Rationale: Triiodothyronine (T3) is a thyroid hormone, not an antithyroid drug, unlike the others which inhibit thyroid function.
The nurse is teaching a patient who has completed detoxification for alcohol abuse who will be discharged home with a prescription for disulfiram (Antabuse). Which statement by the patient indicates understanding of the teaching?
- A. Even topical products containing alcohol can have serious adverse effects while I am taking this drug
- B. If I experience drowsiness or skin rash, I should discontinue this drug immediately
- C. It is safe to take a product containing alcohol one week after the last dose of disulfiram
- D. This drug acts by blocking the pleasurable effects of alcohol
Correct Answer: A
Rationale: Disulfiram reacts with any alcohol, even topical; effects linger 2 weeks , and it causes aversion, not blocking pleasure . Disulfiram causes an unpleasant and potentially fatal reaction if alcohol is consumed while taking it and can even occur with topical products containing alcohol.
The nurse administers amoxicillin 500 mg. The half-life of this drug is approximately 1 hour. At what point would the drug level in the body be 62.5 mg if the drug was not administered again?
- A. 1 hours after the original dose
- B. 2 hours after the original dose
- C. 3 hours after the original dose
- D. 4 hours after the original dose
Correct Answer: C
Rationale: The half-life of a drug is the time it takes for the amount of drug in the body to decrease to one-half of the peak level it previously achieved. At a dose of 500 mg the drug level would be 250 mg in 1 hour, 125 mg in 2 hours, 62.5 mg in 3 hours, and 31.25 mg in 4 hours so the correct answer is 3 hours.
Which statement accurately describes a drug agonist?
- A. A drug that reacts with specific receptor sites on a cell and prevents the reaction of another chemical with a different receptor site on that cell
- B. A drug that interferes with the enzyme systems that act as catalysts for different chemical reactions
- C. A drug that interacts directly with receptor sites to cause the same activity that a natural chemical would cause at that site
- D. A drug that reacts with receptor sites to block normal stimulation, producing no effect
Correct Answer: C
Rationale: Agonists are drugs that produce effects similar to those produced by naturally occurring neurotransmitters, hormones, or other substances found in the body. Noncompetitive antagonists are drugs that react with certain receptor sites, preventing the reaction of another chemical with a different receptor site. Drug-enzyme interactions interfere with the enzyme systems that stimulate various chemical reactions.
Thyroxin is contributed in all listed processes except one:
- A. Increase tissue demand of oxygen consumption
- B. Activating protein, carbohydrates and fats metabolism
- C. Increase the main metabolism
- D. Decrease the main metabolism
Correct Answer: D
Rationale: Thyroxine (T4) increases metabolism, not decreases it, by enhancing oxygen use and nutrient breakdown.