HESI RN
HESI Fundamentals Practice Test
1. A client is admitted with a diagnosis of diabetic ketoacidosis (DKA). Which assessment finding should the nurse anticipate?
- A. Oliguria.
- B. Kussmaul respirations.
- C. Fruity odor on the breath.
- D. Blood glucose level of 250 mg/dL.
Correct answer: B
Rationale: Kussmaul respirations (B) are a deep and labored breathing pattern associated with diabetic ketoacidosis (DKA) and are expected in this condition. While oliguria (A), fruity odor on the breath (C), and elevated blood glucose level (D) are also signs of DKA, Kussmaul respirations are more specific and critical to the condition, indicating severe metabolic acidosis.
2. A client who has a body mass index (BMI) of 30 is requesting information on the initial approach to a weight loss plan. Which action should the nurse recommend first?
- A. Plan low carbohydrate and high protein meals
- B. Engage in strenuous activity for an hour daily
- C. Keep a record of food and drinks consumed daily
- D. Participate in a group exercise class 3 times a week
Correct answer: C
Rationale: Keeping a food diary is a good first step to understand eating habits before making any dietary or activity changes.
3. When suctioning a tracheostomy, which action is most appropriate for the nurse to take?
- A. Use a sterile tube each time and suction for 30 seconds.
- B. Use sterile technique and turn the suction off as the catheter is introduced.
- C. Use clean technique and suction for 10 seconds.
- D. Discard the catheter at the end of every shift.
Correct answer: B
Rationale: When suctioning a tracheostomy, it is crucial to use sterile technique to prevent infections. Turning off the suction as the catheter is introduced is important to avoid trauma and injury to the tracheal walls. This technique helps maintain the integrity of the tracheostomy site and ensures proper care for the patient.
4. When turning an immobile bedridden client without assistance, which action best ensures client safety?
- A. Securely grasp the client's arm and leg.
- B. Put bed rails up on the side of bed opposite from the nurse.
- C. Correctly position and use a turn sheet.
- D. Lower the head of the client's bed slowly.
Correct answer: B
Rationale: The correct answer is to put bed rails up on the side of the bed opposite from the nurse. This action is essential to prevent the client from falling out of bed during the turning process. Since the nurse can only stand on one side of the bed, having the bed rails up on the opposite side provides an additional safety measure. Securing the client's arm and leg or lowering the head of the bed would not prevent the client from falling and may pose a risk of injury. Using a turn sheet correctly can be helpful, but ensuring the bed rails are up is a more direct safety measure in this situation.
5. 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.
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