Nokea
A nurse is assessing a client's IV infusion site. Which of the following findings should the nurse identify as an indication of phlebitis?
- A. Factor
- B. Darkness
- C. Erythema
- D. Coolness
Correct Answer: C
Rationale: Erythema and pain are classic signs of phlebitis, inflammation of the vein.
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A client is taking Humulin NPH insulin daily every morning. The nurse reinforces instructions for the client and tells the client that the most likely time for a hypoglycemic reaction to occur is:
- A. 2 to 4 hours after administration
- B. 4 to 12 hours after administration
- C. 16 to 18 hours after administration
- D. 18 to 24 hours after administration
Correct Answer: B
Rationale: Humulin NPH is an intermediate-acting insulin. The onset of action is 1.5 hours, it peaks in 4 to 12 hours, and its duration of action is 24 hours. Hypoglycemic reactions most likely occur during peak time.
Idiosyncrasy is:
- A. A genetically determined abnormal reaction to drugs
- B. A characteristic toxic effect at therapeutic doses
- C. An altered physiological state produced by repeated drug use
- D. An immunologically mediated reaction
Correct Answer: A
Rationale: Idiosyncrasy is a genetically determined unusual response to a drug, e.g., G6PD deficiency with primaquine.
The nurse is preparing a medication that is new to the market and cannot be found in the nurses drug guide. Where can the nurse get the most reliable information about this medication?
- A. Package insert
- B. Another nurse
- C. Drug manufacturer
- D. Physician
Correct Answer: A
Rationale: The most reliable information about the drug can be found on the package insert supplied by the manufacturer because it was prepared according to strict Food and Drug Administration (FDA) regulations. Asking another nurse or the physician is not reliable and cannot be verified as accurate. It would not be realistic to call the drug manufacturer for information.
Amphetamine is used in
- A. Narcolepsy
- B. Psychosis
- C. Anxiety disorders
- D. Obsessive compulsive neurosis
Correct Answer: A
Rationale: Amphetamine treats narcolepsy by promoting wakefulness.
What concept is considered when generic drugs are substituted for brand name drugs?
- A. Bioavailability
- B. Critical concentration
- C. Distribution
- D. Half-life
Correct Answer: A
Rationale: Bioavailability is the portion of a dose of a drug that reaches the systemic circulation and is available to act on body cells. Binders used in a generic drug may not be the same as those used in the brand name drug. Therefore, the way the body breaks down and uses the drug may differ, which may eliminate a generic drug substitution. Critical concentration is the amount of a drug that is needed to cause a therapeutic effect and should not differ between generic and brand name medications. Distribution is the phase of pharmacokinetics, which involves the movement of a drug to the body's tissues and is the same in generic and brand name drugs. A drug's half-life is the time it takes for the amount of drug to decrease to half the peak level, which should not change when substituting a generic medication.