NCLEX-PN
NCLEX PN Exam Cram
1. When encountering the significant other of a patient with end-stage AIDS crying during her smoke break, what is the most appropriate action for the nurse to take?
- A. Allow her to grieve by herself.
- B. Tell her to go ahead and cry, after all, your husband’s pretty bad off.
- C. Tell her you realize how upset she is, but you don’t want to talk about it now.
- D. Approach her, offering tissues, and encourage her to verbalize her feelings
Correct answer: D
Rationale: Approaching the significant other, offering tissues, and encouraging her to verbalize her feelings is the most appropriate action for the nurse to take. Being left alone during the grief process isolates individuals, and they need an outlet for their feelings. By showing empathy and providing support, the nurse can help the significant other cope with her emotions. Choices A, B, and C are inappropriate because they do not offer support or encourage the expression of feelings, which are crucial in such situations.
2. What is the best lab test to diagnose disseminated intravascular coagulation (DIC)?
- A. platelet count
- B. prothrombin time (PT)
- C. partial thromboplastin time (PTT)
- D. D-dimer
Correct answer: D
Rationale: The best lab test to diagnose disseminated intravascular coagulation (DIC) is the D-dimer test. In DIC, numerous small clots form throughout the body and are rapidly broken down. D-dimer measures a specific fibrin split product and is the most specific test for DIC. Platelet count (Choice A) is decreased in DIC due to consumption, but it is not specific for diagnosing DIC. Prothrombin time (PT - Choice B) and partial thromboplastin time (PTT - Choice C) are both elevated in DIC because clotting factors have been used up, but they are not specific for DIC as they can be elevated in other conditions as well.
3. Which system is primarily affected by tuberculosis (Mycobacterium)?
- A. stomach (GI)
- B. heart (cardiac)
- C. lungs (respiratory)
- D. skin (integumentary)
Correct answer: C
Rationale: Tuberculosis, caused by Mycobacterium tuberculosis, primarily affects the respiratory system. This aerobic bacillus thrives in highly oxygenated body sites, such as the lungs, growing ends of bones, and the brain. The bacillus is airborne, making the lungs a common site for infection. Choices A, B, and D are incorrect as tuberculosis predominantly impacts the respiratory system and rarely involves the stomach, heart, or skin.
4. A healthcare provider is caring for a patient who has experienced burns to the right lower extremity. According to the Rule of Nines, which of the following percentages most accurately describes the severity of the injury?
- A. 36%
- B. 27%
- C. 18%
- D. 9%
Correct answer: C
Rationale: According to the Rule of Nines, the right lower extremity accounts for 18% of the total body surface area. The Rule of Nines divides the body into regions, each representing 9% or a multiple of 9%, allowing for a quick estimation of the extent of burns. In this case, the correct answer is 18% as it corresponds to the percentage allocated for each lower extremity. Choices A, B, and D are incorrect as they do not match the standard allocation for the right lower extremity in the Rule of Nines.
5. Which of the following medications is a serotonin antagonist that might be used to relieve nausea and vomiting?
- A. metoclopramide (Reglan)
- B. ondansetron (Zofran)
- C. hydroxyzine (Vistaril)
- D. prochlorperazine (Compazine)
Correct answer: B
Rationale: Zofran is a serotonin antagonist commonly used to relieve nausea and vomiting by blocking serotonin receptors. Metoclopramide (Reglan) acts on dopamine receptors, hydroxyzine (Vistaril) is an antihistamine, and prochlorperazine (Compazine) is a dopamine antagonist. While these medications can also be used for nausea and vomiting, they do not primarily function as serotonin antagonists like ondansetron.
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