The client diagnosed with epilepsy is being discharged from the hospital with a prescription for phenytoin (Dilantin) by mouth. Which discharge instructions should the nurse discuss with the client?
- A. The client should purchase a self-monitoring Dilantin machine.
- B. The client should see the dentist at least every six (6) months.
- C. The client should never drive when taking this medication.
- D. The client should drink no more than one (1) glass of wine a day.
Correct Answer: B
Rationale: Phenytoin causes gingival hyperplasia; regular dental visits prevent complications. No self-monitoring machines exist, driving bans are not absolute, and alcohol limits are secondary.
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The client is receiving a continuous heparin drip, 20,000 units/500 mL D5W, at 23 mL/min. How many units of heparin is the client receiving an hour?
Correct Answer: 55200
Rationale: Concentration: 20,000 units / 500 mL = 40 units/mL. Rate: 23 mL/min x 60 min/hr = 1,380 mL/hr. Dose: 1,380 mL/hr x 40 units/mL = 55,200 units/hr.
The employee health nurse is discussing hepatitis B vaccines with new employees. Which statement best describes the proper administration of the hepatitis B vaccine?
- A. The vaccine must be administered once a year.
- B. Two (2) mL of vaccine should be given in each hip.
- C. The vaccine is given in three (3) doses over a six (6)-month time period.
- D. The vaccine is administered intradermally into the deltoid muscle.
Correct Answer: C
Rationale: Hepatitis B vaccine is given in three IM doses (0, 1, 6 months), per CDC guidelines. Annual dosing, split doses, or intradermal routes are incorrect.
The nurse practicing in a long term care facility recognizes that elderly clients are at greater risk for drug toxicity than younger adults because of which of the following physiological changes of advancing age?
- A. Drugs are absorbed more readily from the GI tract
- B. Elders have less body water and more fat
- C. The elderly have more rapid hepatic metabolism
- D. Older people are often malnourished and anemic
Correct Answer: B
Rationale: Elders have less body water and more fat. Because elderly persons have decreased lean body tissue/water in which to distribute medications, more drug remains in the circulatory system with potential for drug toxicity. Increased body fat results in greater amounts of fat-soluble drugs being absorbed, leaving less in circulation, thus increasing the duration of action of the drug.
The provider has ordered daily high doses of aspirin for a client with rheumatoid arthritis. The nurse instructs the client to discontinue the medication and contact the provider if which of the following symptoms occur?
- A. Infection of the gums
- B. Diarrhea for more than one day
- C. Numbness in the lower extremities
- D. Ringing in the ears
Correct Answer: D
Rationale: Ringing in the ears. Aspirin stimulates the central nervous system which may result in ringing in the ears.
The nurse is preparing to administer the initial dose of an antibiotic in the emergency department. Which interventions should the nurse implement? Select all that apply.
- A. Assess for drug allergies.
- B. Collect needed specimens for culture.
- C. Check the client's armband.
- D. Ask the client his or her birthday.
- E. Draw peak and trough levels.
Correct Answer: A,B,C
Rationale: Allergy assessment prevents reactions, cultures guide therapy, and armband ensures identity. Birthday is redundant, and peak/trough levels are post-administration.