Nursing Elites

1. Which of the following represents a normal serum potassium level?

• A. 1.5 mEq/L
• B. 3.0 mEq/L
• C. 4.0 mEq/L
• D. 6.0 mEq/L

Correct answer: C

Rationale: The correct answer is 4.0 mEq/L. Normal serum potassium levels typically range from 3.5-5.5 mEq/L. Choice A (1.5 mEq/L) is below the normal range, Choice B (3.0 mEq/L) is also below the normal range, and Choice D (6.0 mEq/L) is above the normal range. Therefore, the only option within the normal range is Choice C (4.0 mEq/L).

2. Which of these statements is true regarding advance directives?

• A. They must be reviewed and re-signed every 10 years in order to remain valid.
• B. An advance directive is legally valid in every state, regardless of the state it was created in.
• C. A physician must determine when a client is unable to make medical decisions for themselves.
• D. They cannot be honored by EMTs (emergency medical technicians) unless signed by a doctor.

Correct answer: D

Rationale: The correct statement is that advance directives cannot be honored by EMTs unless they are signed by a doctor. EMTs are required to provide emergency care to a client, irrespective of their advance directive status, unless the directive has been signed by a doctor. When a client is brought to the hospital, physicians will assess the client and implement the advance directive if necessary. Advance directives do not need to be reviewed and re-signed every 10 years to remain valid; they remain in effect until changed. While advance directives are legally valid in most states, some states may not honor those created in other states, so it's advisable to check the new state's policies if a client moves. Additionally, it typically requires two physicians, not just one, to determine if a client is unable to make medical decisions for themselves.

3. How many feet should separate the nurse and the source when extinguishing a small, wastebasket fire with an appropriate extinguisher?

• A. 1 foot
• B. 2 feet
• C. 4 feet
• D. 6 feet

Correct answer: D

Rationale: The nurse should stand about 6 feet from the source of the fire. Getting closer might put the nurse in danger. Choice A, 1 foot, is incorrect because it is too close to the fire and can expose the nurse to unnecessary risk. Choice B, 2 feet, is also too close to the fire and may lead to potential harm. Similarly, choice C, 4 feet, is not the ideal distance as it is still within the range of potential danger. The correct answer is D, 6 feet, which is a safe distance for the nurse to extinguish the fire effectively without risking personal safety.

4. In a disaster triage situation, which of the following should the nurse be least concerned with regarding a client in crisis?

• A. ability to breathe
• B. pallor or cyanosis of the skin
• C. number of accompanying family members
• D. motor function

Correct answer: C

Rationale: During a disaster triage situation where quick decisions are crucial, the nurse's primary focus should be on factors directly related to the patient's immediate condition and survival. The ability to breathe, pallor or cyanosis of the skin, and motor function are critical indicators of a patient's health status and need for urgent intervention. In contrast, the number of accompanying family members, although important for emotional support, is not a priority when assessing and prioritizing care during a crisis. While emotional support is valuable, the focus in triage is on identifying and addressing the most critical and life-threatening issues first to maximize survival chances. Therefore, the nurse should be least concerned with the number of accompanying family members as it does not directly impact the patient's immediate medical needs in a crisis situation. Choices A, B, and D are all crucial factors to assess a client's health status and determine the urgency of intervention during a disaster triage. The ability to breathe indicates respiratory function, pallor or cyanosis of the skin reflect circulatory and oxygenation status, and motor function can hint at neurological impairment or injury, all of which are vital in determining the severity of the crisis and the immediate medical needs of the patient.

5. What is the most likely reason for a hospitalized adult client who routinely works from midnight until 8 a.m. to have a temperature of 99.1°F at 4 a.m.?

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

Correct answer: D

Rationale: The correct answer is 'circadian rhythm.' Circadian rhythms are biological cycles that last about 24 hours. The sleep-wake cycle is closely tied to circadian rhythms, affecting body temperature. Normally, core body temperature drops during sleep, reaching its 24-hour low around 4 a.m. In this case, the client's temperature of 99.1°F at 4 a.m. is likely due to the disruption of their circadian rhythm caused by working from midnight until 8 a.m. Choices A, B, and C are incorrect because delta sleep, slow brain waves, and pneumonia do not directly explain the temperature fluctuation based on circadian rhythm.

Similar Questions