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The nurse is caring for a client who has just returned from surgery with a urinary catheter in place. What is the most important action to prevent catheter-associated urinary tract infections (CAUTIs)?
- A. Irrigate the catheter daily
- B. Ensure the catheter bag is always below bladder level
- C. Change the catheter every 48 hours
- D. Administer prophylactic antibiotics
Correct Answer: B
Rationale: The correct answer is to ensure the catheter bag is always below bladder level. This positioning helps prevent backflow of urine, reducing the risk of CAUTIs. Choice A, irrigating the catheter daily, is not recommended as it can introduce pathogens into the bladder. Changing the catheter too frequently (Choice C) can increase the risk of introducing pathogens. Administering prophylactic antibiotics (Choice D) is not the primary intervention for preventing CAUTIs and can lead to antibiotic resistance.
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The practical nurse is preparing to administer a prescription for cefazolin (Kefzol) 600 mg IM every six hours. The available vial is labeled, 'Cefazolin (Kefzol) 1 gram,' and the instructions for reconstitution state, 'For IM use add 2 ml sterile water for injection. Total volume after reconstitution = 2.5 ml.' When reconstituted, how many milligrams are in each milliliter of solution?
- A. 400 mg/mL
- B. 500 mg/mL
- C. 450 mg/mL
- D. 350 mg/mL
Correct Answer: A
Rationale: After reconstitution, the concentration of cefazolin solution is calculated by dividing the total amount of drug (600 mg) by the total volume after reconstitution (2.5 mL). This gives 600 mg / 2.5 mL = 240 mg/mL. However, the question asks for the concentration in each milliliter of solution after reconstitution, so we need to consider the final volume of 2.5 mL. Therefore, 240 mg/mL * 2.5 mL = 600 mg, which means each milliliter contains 240 mg of cefazolin. Therefore, after reconstitution, there are 400 mg of cefazolin in each milliliter of solution. Choices B, C, and D are incorrect as they do not accurately reflect the concentration after reconstitution.
A client is admitted with a diagnosis of diabetic ketoacidosis (DKA). Which laboratory finding is most indicative of this condition?
- A. Serum glucose of 180 mg/dL
- B. Blood pH of 7.30
- C. Positive urine ketones
- D. Serum bicarbonate of 25 mEq/L
Correct Answer: C
Rationale: The correct answer is C: Positive urine ketones. In diabetic ketoacidosis (DKA), the body breaks down fat for energy due to a lack of insulin, leading to ketone production. Positive urine ketones are a hallmark laboratory finding in DKA as they directly reflect the presence of ketosis. Choice A, serum glucose of 180 mg/dL, may be elevated in DKA, but it is not specific to this condition. Choice B, blood pH of 7.30, often shows acidosis in DKA, but urine ketones are more specific to the presence of ketosis. Choice D, serum bicarbonate of 25 mEq/L, would typically be low in DKA due to acidosis rather than elevated.
The healthcare professional is developing a care plan for a client with depression. What should be included in the plan?
- A. Regular physical activity
- B. Scheduled sleep patterns
- C. Social interaction with family and friends
- D. All of the above
Correct Answer: D
Rationale: A comprehensive care plan for a client with depression should include multiple components to address various aspects of health. Regular physical activity can help improve mood and overall well-being. Scheduled sleep patterns are essential as sleep disturbances are common in depression and can worsen symptoms. Social interaction with family and friends provides emotional support and reduces feelings of isolation. Therefore, including all these aspects in the care plan can help support the client's recovery. Choice D, 'All of the above,' is the correct answer because all the options are important components of a holistic care plan for depression. Choices A, B, and C are incorrect because each of these elements plays a crucial role in managing depression.
A client reports feeling anxious and having trouble sleeping lately. What non-pharmacological intervention should the nurse suggest first?
- A. Starting an exercise program
- B. Keeping a sleep diary
- C. Practicing relaxation techniques before bed
- D. Using sleep-inducing medications at night
Correct Answer: C
Rationale: The correct non-pharmacological intervention the nurse should suggest first for a client experiencing anxiety and sleep issues is practicing relaxation techniques before bed. Relaxation techniques like deep breathing, progressive muscle relaxation, or mindfulness meditation can help reduce anxiety levels and promote better sleep naturally. Starting an exercise program (Choice A) can be beneficial but may not provide immediate relief for anxiety and sleep problems. Keeping a sleep diary (Choice B) can help identify patterns but does not directly address anxiety. Using sleep-inducing medications (Choice D) should be considered only after non-pharmacological interventions have been tried.
A client with foul-smelling drainage from an incision on the upper left arm is admitted with a suspected methicillin-resistant Staphylococcus aureus (MRSA). Which nursing interventions should the nurse include in the plan of care? (Select all that apply.)
- A. Send wound drainage for culture and sensitivity.
- B. Institute contact precautions for staff and visitors.
- C. Use standard precautions and wear a mask.
- D. Monitor the client's white blood cell count.
Correct Answer: B
Rationale: When dealing with a client suspected of having MRSA, the nurse should implement contact precautions to prevent the spread of infection. This includes using gowns and gloves, along with following proper hand hygiene practices. Sending wound drainage for culture and sensitivity may be necessary for diagnostic purposes, but it is not directly related to preventing the spread of infection in this case. Using standard precautions and wearing a mask are not sufficient when dealing with MRSA; contact precautions are specifically required to prevent transmission. Monitoring the client's white blood cell count is important in assessing infection status but is not a primary intervention to prevent the spread of MRSA.