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NCLEX-PN Exam Questions - Part 65

Jenny Clarke

Mon, 10 Feb 2025

1. The nurse is teaching a client about sleep and gives background information on normal sleep patterns. Which of the following substances promotes sleep?

A) serotonin
B) cortisone
C) alcohol
D) narcotics



2. A hospitalized adult client who routinely works from midnight until 8 a.m. has a temperature of 99.1 F at 4 a.m. The nurse determines that this is most likely due to:

A) delta sleep
B) slow brain waves
C) pneumonia
D) circadian rhythm



3. Mrs. Peterson complains of difficulty falling asleep, awakening earlier than desired, and not feeling rested. She attributes these problems to leg pain that is secondary to her arthritis. What is the most appropriate nursing diagnosis for her?

A) Sleep Pattern Disturbances (related to arthritis)
B) Fatigue (related to leg pain)
C) Knowledge Deficit (regarding sleep hygiene measures)
D) Sleep Pattern Disturbances (related to chronic leg pain)



4. A client asks the nurse if all donor blood products are cross-matched with the recipient to prevent a transfusion reaction. Which of the following always requires cross-matching?

A) packed red blood cells
B) platelets
C) plasma
D) granulocytes



5. A clients central venous access device (CVAD) becomes infected. Why might the physician order antibiotics to be given through the line rather than through a peripheral IV line?

A) to prevent infiltration of the peripheral line
B) to reduce the pain and discomfort associated with antibiotic administration in a small vein
C) to lessen the chance of an allergic reaction to the antibiotic
D) to attempt to eliminate microorganisms in the catheter and prevent having to remove it



1. Right Answer: A
Explanation: Serotonin is a substance that is in the body and promotes sleep. Serotonin might play a role in synthesis of a hypnogenic factor that directly causes sleep. Drugs and alcohol can disrupt REM sleep, although they might accelerate the onset of sleep. Basic Care and Comfort

2. Right Answer: D
Explanation: Biological rhythms that follow a cycle lasting about 24 hours are termed circadian rhythm. The sleep-wake cycle is closely linked with cardiac rhythms, such as body temperature. While a person sleeps, core body temperature drops, often reaching the 24-hour low at 4 a.m. When the sleep period shifts, temperature fluctuations also shift to match the new sleep patterns. Basic Care and Comfort

3. Right Answer: D
Explanation: The clients sleep pattern is directly disturbed by the chronic leg pain, which is secondary to the arthritis. This nursing diagnosis is the appropriate one to directly deal with comfort measures and the like. Basic Care and Comfort

4. Right Answer: A
Explanation: Packed red blood cells contain antigens and antibodies that must be matched between donor and recipient. Choices 2, 3, and 4 do not contain red cells; thus, they require no cross-matching. Pharmacological Therapies

5. Right Answer: D
Explanation: Microorganisms that infect CVADs are often coagulase-negative staphylococci, which can be eliminated by antibiotic administration through the catheter. If unsuccessful in eliminating the microorganism, the CVAD must be removed. CVAD use lessens the need for peripheral IV lines and thus the risk of infiltration. In this case, however, the antibiotics are given to eradicate microorganisms from the CVAD. CVAD use has the effect described in Choice 2, but in this case, the antibiotics are given through the CVAD to eliminate the infective agent. The route does not prevent an allergic reaction. Pharmacological Therapies

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