NCLEX-PN
NCLEX PN Test Bank
1. Why is monitoring Serum Vancomycin levels important?
- A. to assess renal function
- B. to determine therapeutic range
- C. to measure trough levels
- D. to evaluate antibiotic resistance
Correct answer: B
Rationale: Monitoring Serum Vancomycin levels is essential to determine the drug's therapeutic range, ensuring optimal effectiveness while avoiding toxicity. Peak levels indicate the drug's highest concentration, while trough levels represent the lowest concentration before the next dose. Assessing renal function is typically done using creatinine, BUN, or creatinine clearance tests, not Serum Vancomycin levels. Evaluating antibiotic resistance involves sensitivity testing, not monitoring Vancomycin levels. Therefore, the correct answer is to determine the therapeutic range.
2. Where do the vast majority of deaths resulting from unintentional poisoning occur?
- A. Infants
- B. Toddlers
- C. Teens
- D. Adults
Correct answer: B
Rationale: The correct answer is 'Toddlers.' Toddlers are at the highest risk of unintentional poisoning due to their natural curiosity, explorative behavior, and lack of awareness of potential dangers. Infants are typically closely monitored, teens are more aware of risks, and adults generally have better judgment and understanding of hazardous substances, making them less susceptible to unintentional poisoning. Therefore, toddlers, being inquisitive and unaware of risks, are the most vulnerable group in terms of unintentional poisoning incidents.
3. The nurse receives an assignment of three clients. Which of the following should the nurse consider as the highest priority when determining which client to assess first?
- A. the client who most recently rang their call bell
- B. the client who has been waiting the longest for their call bell to be answered
- C. the client who is in the most pain
- D. the client who may have a risk for an airway obstruction
Correct answer: D
Rationale: The nurse should prioritize assessing a client with a potential airway obstruction first based on the ABCs (airway, breathing, circulation) principle. Maintaining a clear airway is crucial for oxygenation and ventilation, making it the highest priority. Choices A and B focus on call bells and waiting times, which are important but not life-threatening in comparison to airway concerns. While pain management is essential, it takes precedence after addressing immediate life-threatening issues like airway compromise.
4. The nurse is teaching a client about erythema infectiosum. Which of the following factors is not correct?
- A. There is no rash.
- B. The disorder is uncommon in adults.
- C. There is no fever.
- D. There is sometimes a 'slapped face' appearance.
Correct answer: B
Rationale: The correct answer is B: 'The disorder is uncommon in adults.' Erythema infectiosum, also known as Fifth's disease, is more common in children than in adults. It typically presents with a rash on the face that gives a 'slapped cheek' or 'slapped face' appearance. Fever may be present, and there is a characteristic rash associated with the condition. Therefore, the statement 'The disorder is uncommon in adults' is incorrect, making it the correct answer. The other statements are true regarding erythema infectiosum, making them incorrect choices. There is indeed a rash associated with erythema infectiosum, which can be a prominent feature. Fever may also be present in individuals with this condition. Additionally, the 'slapped face' appearance is a classic characteristic of erythema infectiosum.
5. When evaluating the lab work of a client in hepatic coma, which of the following lab tests is most important?
- A. blood urea nitrogen
- B. serum calcium
- C. serum ammonia
- D. serum creatinine
Correct answer: C
Rationale: When a client is in hepatic coma due to liver failure, the liver cannot metabolize amino acids completely, leading to elevated ammonia levels. Increased ammonia can cause brain-tissue irritation, worsening the coma. Therefore, monitoring serum ammonia levels is crucial in assessing the severity of hepatic coma. Choices A, B, and D are less relevant in the context of hepatic coma. Blood urea nitrogen primarily assesses kidney function, serum calcium levels are not directly related to hepatic coma, and serum creatinine is more indicative of kidney function rather than liver function in this scenario.
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