A camp nurse is applying sunscreen to a group of children enrolled in swim classes. Chemical sunscreens are most effective when applied:
- A. Just before sun exposure
- B. 5 minutes before sun exposure
- C. 15 minutes before sun exposure
- D. 30 minutes before sun exposure
Correct Answer: D
Rationale: Chemical sunscreens require 30 minutes to absorb into the skin and provide effective UV protection.
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A client with obsessive compulsive personality disorder annoys his coworkers with his rigid-perfectionistic attitude and his preoccupation with trivial details. An important nursing intervention for this client would be:
- A. Helping the client develop a plan for changing his behavior
- B. Contracting with him for the time he spends on a task
- C. Avoiding a discussion of his annoying behavior because it will only make him worse
- D. Encouraging him to set a time schedule and deadlines for himself
Correct Answer: D
Rationale: Setting a time schedule helps the client manage perfectionistic tendencies by structuring tasks, reducing preoccupation with trivial details.
A critically injured woman is rushed to the ER. She needs an immediate blood transfusion, and there is no time to crossmatch blood type. The nurse anticipates the physician will call for
- A. 1 unit of AB positive blood.
- B. 1 unit of O positive blood.
- C. 1 unit of AB negative blood.
- D. 1 unit of O negative blood.
Correct Answer: D
Rationale: O negative blood is the universal donor, safe for emergency transfusions without crossmatching, minimizing reaction risk.
The physician has ordered a lumbar puncture for a client with suspected Guillain-Barre syndrome. The spinal fluid of a client with Guillain-Barre syndrome typically shows:
- A. Decreased protein concentration with a normal cell count
- B. Increased protein concentration with a normal cell count
- C. Increased protein concentration with an abnormal cell count
- D. Decreased protein concentration with an abnormal cell count
Correct Answer: B
Rationale: Guillain-Barre syndrome typically shows elevated protein levels in cerebrospinal fluid with a normal cell count, known as albuminocytologic dissociation.
The nurse is caring for a 27-year-old client in active labor. After reviewing the fetal heart tone strip shown, the nurse should take which action first?
- A. reposition the client
- B. draw a potassium level
- C. notify the health care provider
- D. prepare the client for a cesarean section
Correct Answer: A
Rationale: Repositioning the client is the first step to improve fetal oxygenation if the fetal heart tone strip shows distress, as it is non-invasive and may resolve the issue.
A client is admitted to the emergency room with a gunshot wound to the right arm. After dressing the wound and administering the prescribed antibiotic, the nurse should:
- A. Ask the client if he has any medication allergies
- B. Check the client's immunization record
- C. Apply a splint to immobilize the arm
- D. Administer medication for pain
Correct Answer: C
Rationale: Immobilizing the arm with a splint prevents further tissue damage and promotes healing, which is a priority after initial wound care and antibiotic administration. Checking for allergies should have been done prior to administering antibiotics, and pain management, while important, is secondary to stabilization.
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