HESI RN
HESI Fundamentals Quizlet
1. The client with chronic obstructive pulmonary disease (COPD) is being taught pursed-lip breathing by the nurse. What is the purpose of this technique?
- A. To promote oxygenation by removing secretions.
- B. To reduce the amount of air trapped in the lungs.
- C. To increase the amount of carbon dioxide exhaled.
- D. To slow the respiratory rate and improve air exchange.
Correct answer: C
Rationale: Pursed-lip breathing is used to increase the amount of carbon dioxide exhaled (C) in clients with chronic obstructive pulmonary disease (COPD). By doing so, it helps prevent air trapping and enhances gas exchange, ultimately improving respiratory efficiency. While removing secretions (A) and reducing air trapping (B) can be associated benefits to some extent, the primary goal of pursed-lip breathing is to optimize carbon dioxide elimination and enhance breathing mechanics. Slowing the respiratory rate (D) is not the primary purpose of pursed-lip breathing.
2. When taking a client's blood pressure, the healthcare professional is unable to distinguish the point at which the first sound was heard. What is the best action for the healthcare professional to take?
- A. Deflate the cuff completely and immediately reattempt the reading.
- B. Reinflate the cuff completely and leave it inflated for 90 to 110 seconds before taking the second reading.
- C. Deflate the cuff to zero and wait 30 to 60 seconds before reattempting the reading.
- D. Document the exact level visualized on the sphygmomanometer where the first fluctuation was seen.
Correct answer: C
Rationale: The correct action when unable to distinguish the point of the first sound during blood pressure measurement is to deflate the cuff to zero and wait 30 to 60 seconds before reattempting the reading. This allows blood flow to return to the extremity, ensuring a more accurate reading the second time. It is important to ensure that the cuff is fully deflated and the appropriate wait time is given to obtain an accurate blood pressure measurement.
3. When caring for an older incontinent client at risk for infection, which intervention is best for the nurse to implement based on the nursing diagnosis of risk for infection?
- A. Maintain standard precautions.
- B. Initiate contact isolation measures.
- C. Insert an indwelling urinary catheter.
- D. Instruct the client in the use of adult diapers.
Correct answer: A
Rationale: The correct intervention for an older incontinent client at risk for infection is to maintain standard precautions. Standard precautions, which include proper handwashing, are essential in reducing the risk of infection transmission in vulnerable clients. Initiating contact isolation measures may not be necessary for all clients, and inserting an indwelling urinary catheter should be avoided unless medically necessary to prevent additional risks of infection. Instructing the client in the use of adult diapers is not an appropriate nursing intervention to prevent infection.
4. The healthcare provider is teaching a client with hypertension about lifestyle modifications. Which instruction should the healthcare provider include?
- A. Limit sodium intake to 2,300 mg per day
- B. Engage in moderate exercise for 30 minutes daily
- C. Consume a diet high in saturated fats
- D. Avoid alcohol consumption completely
Correct answer: B
Rationale: Engaging in moderate exercise for 30 minutes daily is a crucial lifestyle modification for managing hypertension. Regular physical activity helps lower blood pressure, improve cardiovascular health, and overall well-being. It is recommended to engage in activities like brisk walking, cycling, or swimming to achieve these benefits. Choices A, C, and D are incorrect. Limiting sodium intake, avoiding a diet high in saturated fats, and reducing alcohol consumption are also important lifestyle modifications for hypertension management, but engaging in moderate exercise is the most appropriate initial instruction for this client.
5. How many drops per minute should a client weighing 182 pounds receive if a nurse mixes 50 mg of Nipride in 250 ml of D5W and plans to administer the solution at a rate of 5 mcg/kg/min? The drip factor is 60 gtt/ml.
- A. 31 gtt/min.
- B. 62 gtt/min.
- C. 93 gtt/min.
- D. 124 gtt/min.
Correct answer: D
Rationale: To determine the drops per minute for the client, first convert the client's weight from pounds to kilograms: 182/2.2 = 82.73 kg. Calculate the dosage by multiplying 5 mcg by the client's weight in kg: 5 mcg/kg/min × 82.73 kg = 413.65 mcg/min. Find the concentration of the solution in mcg/ml by dividing 250 ml by 50,000 mcg (50 mg): 250 ml/50,000 mcg = 200 mcg/ml. As the client needs 413.65 mcg/min and the solution is 200 mcg/ml, the client should receive 2.07 ml per minute. Finally, using the drip factor of 60 gtt/ml, multiply the ml per minute by the drip factor: 60 gtt/ml × 2.07 ml/min = 124.28 gtt/min, which rounds to 124 gtt/min. Therefore, the client should receive 124 drops per minute. Choice D is the correct answer. Choices A, B, and C are incorrect because they do not reflect the accurate calculation based on the client's weight, dosage, concentration of the solution, and drip factor.
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