HESI LPN
Fundamentals of Nursing HESI
1. A client has extracellular fluid volume deficit. Which of the following findings should the nurse expect?
- A. Postural hypotension
- B. Distended neck veins
- C. Dependent edema
- D. Bradycardia
Correct answer: A
Rationale: Postural hypotension is a common sign of extracellular fluid volume deficit due to decreased blood volume, leading to a drop in blood pressure upon standing. Distended neck veins, dependent edema, and bradycardia are not typically associated with extracellular fluid volume deficit. Distended neck veins are more indicative of fluid volume overload, dependent edema is a sign of fluid retention, and bradycardia is not a common finding in extracellular fluid volume deficit.
2. A client with a history of asthma presents to the emergency department with difficulty breathing and wheezing. Which of the following is the priority nursing action?
- A. Administer a bronchodilator
- B. Obtain a peak flow reading
- C. Provide supplemental oxygen
- D. Assess the client's respiratory rate
Correct answer: A
Rationale: In a client with a history of asthma experiencing difficulty breathing and wheezing, the priority nursing action is to administer a bronchodilator. This intervention helps relieve bronchospasm and improve the client's breathing. Obtaining a peak flow reading can provide additional information but is not the immediate priority in this situation. Providing supplemental oxygen may be needed but addressing the bronchospasm with a bronchodilator takes precedence. Assessing the client's respiratory rate is important but not as urgent as administering a bronchodilator to address the breathing difficulty.
3. A client with a body mass index (BMI) of 30 is seeking advice on the initial approach to a weight loss plan. What action should the nurse recommend?
- A. Plan meals with low carbohydrates and high protein
- B. Engage in strenuous activity for an hour daily
- C. Keep a record of daily food and beverage intake
- D. Participate in a group exercise class three times a week
Correct answer: C
Rationale: Keeping a food diary is an essential practice when starting a weight loss plan as it helps in tracking calorie intake, identifying eating patterns, and making informed decisions about dietary changes. Planning meals with low carbohydrates and high protein (Choice A) can be beneficial for some individuals, but keeping a food diary is more foundational. Engaging in strenuous daily activity (Choice B) may not be sustainable for everyone and could lead to burnout or injuries. Participating in a group exercise class (Choice D) is beneficial for fitness but may not address dietary habits, which are crucial for weight loss.
4. A healthcare professional is preparing to administer enoxaparin subcutaneously to a client. Which of the following actions should the healthcare professional take?
- A. Administer the medication with the needle at a 45-degree angle.
- B. Administer the medication with the needle at a 90-degree angle.
- C. Inject the medication into the muscle.
- D. Pinch the skin before injecting.
Correct answer: B
Rationale: Enoxaparin is a medication that is administered subcutaneously, which means it should be injected into the fatty tissue layer beneath the skin. Administering enoxaparin at a 90-degree angle ensures proper absorption and reduces the risk of injecting the medication into muscle tissue, which could affect its effectiveness. Injecting the medication at a 45-degree angle may lead to improper absorption as it may not reach the subcutaneous tissue adequately. Injecting the medication into the muscle instead of subcutaneously can alter the absorption rate and therapeutic effects. Pinching the skin before injecting is not necessary for administering enoxaparin subcutaneously and may cause unnecessary discomfort to the client.
5. While measuring a client’s oral temperature using an electronic thermometer, what action should the nurse take?
- A. Assist the client with oral hygiene before taking the temperature.
- B. Inquire whether the client has smoked in the last 30 minutes.
- C. Connect the red tip probe to the thermometer unit.
- D. Position the probe tip against the client’s buccal mucosa.
Correct answer: B
Rationale: The correct action for the nurse to take when measuring a client’s oral temperature using an electronic thermometer is to inquire whether the client has smoked in the last 30 minutes. Smoking can affect the accuracy of oral temperature readings. Providing oral hygiene (Choice A) is not directly related to ensuring accurate temperature measurement. Connecting the red tip probe (Choice C) is not specific to oral temperature measurement accuracy. Positioning the probe tip against the buccal mucosa (Choice D) is incorrect as oral temperature is typically measured under the tongue, not against the cheek.
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