Which of the following statements best describes generic names of medications?
They are the nonproprietary names of drugs
They are unique to each pharmaceutical company
They are not used on the NCLEX
They are always capitalized and trademarked
The Correct Answer is A
A. They are the nonproprietary names of drugs: Generic names are standardized names assigned by an official body such as the United States Adopted Names (USAN) Council. They are not owned by any drug company and are used universally across brands, making them the nonproprietary identifiers of medications.
B. They are unique to each pharmaceutical company: This describes brand or trade names, not generic names. Brand names vary between manufacturers, but the generic name remains the same regardless of who produces the medication.
C. They are not used on the NCLEX: Generic names are primarily used on the NCLEX to test nursing knowledge. Nurses are expected to recognize generic names, as they are the standard reference in clinical practice and reduce confusion associated with multiple brand names.
D. They are always capitalized and trademarked: Generic names are written in lowercase and are not trademarked. In contrast, brand names are capitalized and legally protected as trademarks by pharmaceutical companies.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Flush the IV line with normal saline before and after administering phenytoin: Phenytoin is incompatible with dextrose and many other IV solutions. Normal saline is the only recommended diluent, and flushing before and after administration prevents precipitation and line blockage, ensuring safe delivery of the drug.
B. Flush the IV line with dextrose solution before and after giving phenytoin: Phenytoin precipitates in dextrose-containing solutions, which can result in crystal formation, risking embolism or phlebitis. Using dextrose can lead to serious IV complications and must be avoided.
C. Mix phenytoin with lactated Ringer's solution for infusion: Phenytoin is not compatible with lactated Ringer’s due to the calcium content, which increases the risk of precipitation. It should only be diluted in normal saline to maintain solution stability and patient safety.
D. Administer phenytoin without flushing the IV line: Skipping the flush increases the risk of drug incompatibility, precipitation, and reduced drug delivery. Flushing with normal saline is essential to maintain IV line patency and prevent complications.
Correct Answer is D
Explanation
A. 300mg is incorrect.
B. 400mg is incorrect
C. 200mg is incorrect
D. The half-life of a drug is the time it takes for the plasma concentration of a drug to decrease by 50%. If the half-life is 6 hours, the amount of drug in the body will halve every 6 hours.
- Initial dose: 800 mg
- After 6 hours (1st half-life): 800 mg ÷ 2 = 400 mg
- After 12 hours (2nd half-life): 400 mg ÷ 2 = 200 mg
- After 18 hours (3rd half-life): 200 mg ÷ 2 = 100 mg
After 18 hours (three half-lives), 100 mg of the medication will remain in the patient's system.
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