HESI RN
HESI RN Exit Exam
1. The healthcare provider prescribes an IV solution of isoproterenol (Isuprel) 1 mg in 250 ml of D5W at 300 mcg/hour. The nurse should program the infusion pump to deliver how many ml/hour?
- A. 50 ml/hour
- B. 25 ml/hour
- C. 75 ml/hour
- D. 100 ml/hour
Correct answer: C
Rationale: To calculate the infusion rate, convert 1 mg to 1,000 mcg (1 mg = 1,000 mcg) and then use the formula D/H x Q, where D is the desired dose, H is the dose on hand, and Q is the quantity of solution. In this case, it would be 300 mcg/hour / 1,000 mcg x 250 ml = 75 ml/hour. Therefore, the nurse should program the infusion pump to deliver 75 ml/hour. Choice A (50 ml/hour), Choice B (25 ml/hour), and Choice D (100 ml/hour) are incorrect as they do not correspond to the calculated rate of 75 ml/hour.
2. The nurse is assessing a client with chronic obstructive pulmonary disease (COPD) who is receiving supplemental oxygen. Which clinical finding requires immediate intervention?
- A. Oxygen saturation of 90%
- B. Respiratory rate of 24 breaths per minute
- C. Use of accessory muscles
- D. Inspiratory crackles
Correct answer: C
Rationale: The correct answer is C: Use of accessory muscles. In a client with COPD receiving supplemental oxygen, the use of accessory muscles is a critical finding that requires immediate intervention. This observation indicates increased work of breathing, suggesting respiratory distress. Addressing this issue promptly is crucial to prevent further respiratory compromise. Choice A, oxygen saturation of 90%, is slightly below the normal range but may not require immediate intervention unless it continues to decrease. Choice B, a respiratory rate of 24 breaths per minute, is within normal limits for an adult and does not indicate an urgent issue. Choice D, inspiratory crackles, may be present in COPD due to secretions or inflammation but do not necessitate immediate intervention unless associated with other concerning signs.
3. A 46-year-old male client who had a myocardial infarction 24 hours ago comes to the nurse's station fully dressed and wanting to go home. He tells the nurse that he is feeling much better at this time. Based on this behavior, which nursing problem should the nurse formulate?
- A. Ineffective coping related to denial.
- B. Risk for impaired cardiac function.
- C. Noncompliance related to lack of knowledge.
- D. Anxiety related to hospitalization.
Correct answer: A
Rationale: The correct answer is A: Ineffective coping related to denial. The client's desire to leave the hospital shortly after a myocardial infarction despite the severity of the condition indicates denial and ineffective coping. This behavior could lead to complications as the client may not adequately address his health needs. Choice B, Risk for impaired cardiac function, is not the most appropriate nursing problem in this scenario as the client's behavior is more indicative of psychological coping issues rather than a direct physiological risk at this moment. Choice C, Noncompliance related to lack of knowledge, does not align with the client's behavior of wanting to leave the hospital. Choice D, Anxiety related to hospitalization, may not be the best option as the client's behavior is more suggestive of denial rather than anxiety about being hospitalized.
4. A client with a spinal cord injury at the T1 level is admitted with a suspected deep vein thrombosis (DVT) in the right leg. Which intervention should the nurse implement first?
- A. Administer prescribed anticoagulant therapy
- B. Place the client on bedrest
- C. Elevate the client's right leg
- D. Apply compression stockings to the right leg
Correct answer: B
Rationale: The correct answer is to place the client on bedrest. Placing the client on bedrest is the priority intervention as it helps prevent the risk of embolization from the DVT, which could lead to a life-threatening pulmonary embolism. Administering anticoagulant therapy, elevating the client's right leg, or applying compression stockings are important interventions in managing DVT but should come after ensuring the client is on bedrest to prevent the dislodgment of the clot.
5. An elderly female client with osteoarthritis reports increasing pain and stiffness in her right knee and asks how to reduce these symptoms. In responding to the client, the nurse recognizes what pathology as the cause of her symptoms?
- A. Destruction of joint cartilage.
- B. Inflammation of synovial membrane.
- C. Formation of bone spurs.
- D. Reduction of joint space.
Correct answer: A
Rationale: Corrected Rationale: Osteoarthritis typically involves the destruction of joint cartilage, leading to pain and stiffness. This destruction of joint cartilage results in bone rubbing against bone, causing pain and reduced mobility. Choices B, C, and D are incorrect. Inflammation of the synovial membrane (choice B) is more commonly associated with rheumatoid arthritis. Formation of bone spurs (choice C) and reduction of joint space (choice D) are manifestations that can occur as a result of osteoarthritis but are not the primary pathology responsible for the symptoms of pain and stiffness.
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