Nokea
The client has an order for an IV piggyback of Ceftriaxone 750 mg in 50 mL D5W to run over 30 minutes. What is the appropriate drip rate?
- A. 100 mL/hr
- B. 150 mL/hr
- C. 200 mL/hr
- D. 50 mL/hr
Correct Answer: A
Rationale: (50 mL / 30 min) × (60 min / 1 hr) = 100 mL/hr
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The nurse telephones the HCP to request a pm anxiolytic medication order for a hospitalized client having occasional anxiety. Which medication, if prescribed, should the nurse question regarding its effectiveness for prn use?
- A. Buspirone
- B. Lorazepam
- C. Clorazepate
- D. Clonazepam
Correct Answer: A
Rationale: Buspirone (BuSpar) has a 10- to 14-day delay in therapeutic onset, making it unsuitable for prn use.
An infection in a central venous access device is not eliminated by giving antibiotics through the catheter. How might bacterial glycocalyx contribute to this?
- A. It protects the bacteria from antibiotic and immunologic destruction.
- B. Glycocalyx neutralizes the antibiotic, rendering it ineffective.
- C. It competes with the antibiotic for binding sites on the microbe.
- D. Glycocalyx provides nutrients for microbial growth.
Correct Answer: A
Rationale: Glycocalyx is a viscous polysaccharide or polypeptide slime that covers microbes, enhancing adherence to surfaces, resisting phagocytic engulfment, and preventing antibiotics from contacting the microbe.
The LPN needs to determine the client's respiratory rate. What is the best technique to do this?
- A. Tell the client you need to count their respiratory rate.
- B. Subtly watch the client from across the room when they are doing an activity.
- C. Ask the client to sit still for 30 seconds.
- D. Count respirations while pretending to check the client's pulse.
Correct Answer: D
Rationale: You should not tell the client you are counting their respirations, as this may cause them to alter their breathing pattern. Pretending to check a pulse allows you to get close to the client without cluing them in to what you are assessing. Standing across the room is not the best way to assess for respirations as they may be difficult to see.
A client who is newly diagnosed with Parkinson's disease and beginning medication therapy asks the nurse, 'How soon will I see improvement?' The nurse's best response is:
- A. That varies from client to client
- B. You should discuss that with your physician
- C. You should notice a difference in a few days
- D. It might take several weeks before you notice improvement
Correct Answer: D
Rationale: Parkinson's medications often take several weeks to show improvement, as they gradually adjust neurotransmitter levels to manage symptoms.
A child diagnosed with ADHD is to receive a total of 20 mg of dextroamphetamine daily in two divided doses. The dextroamphetamine on hand is supplied in 5-mg tablets. How many tablet(s) should the nurse administer for the morning dose?
Correct Answer: 2
Rationale: Calculation: 20 mg daily/ 2 doses = 10 mg per dose; 10 mg/ 5 mg/tablet = 2 tablets.