HESI RN
Evolve HESI Medical Surgical Practice Exam
1. The nurse is teaching the main principles of hemodialysis to a client with chronic kidney disease. Which statement by the client indicates a need for further teaching by the nurse?
- A. My sodium level changes due to the movement from the blood into the dialysate.
- B. Dialysis works by the movement of wastes from higher to lower concentration.
- C. Extra fluid can be pulled from the blood by osmosis.
- D. The dialysate is similar to blood but without any toxins.
Correct answer: B
Rationale: The correct answer is B because dialysis works by the movement of solutes from an area of higher concentration to an area of lower concentration, which is known as diffusion. The other statements are accurate: A correctly describes the movement of sodium during hemodialysis, C explains the removal of excess fluid by osmosis, and D highlights the purpose of the dialysate in removing toxins from the blood.
2. A nursing student is suctioning a client through a tracheostomy tube while a nurse observes. Which action by the student would prompt the nurse to intervene and demonstrate the correct procedure? Select all that apply.
- A. Setting the suction pressure to 60 mm Hg
- B. Applying suction throughout the procedure
- C. Assessing breath sounds before suctioning
- D. Placing the client in a supine position before the procedure
Correct answer: A
Rationale: The correct suction pressure for an adult client with a tracheostomy tube is typically between 80 to 120 mm Hg. Suction should be applied intermittently during catheter withdrawal to avoid damaging the airway. Assessing breath sounds before suctioning is important to ensure the procedure is necessary. Placing the client in a supine position before suctioning can compromise their airway; instead, the head of the bed should be elevated to facilitate proper drainage and reduce the risk of aspiration. Therefore, setting the suction pressure to 60 mm Hg is incorrect and would prompt the nurse to intervene and correct the procedure.
3. A client who has just undergone surgery suddenly experiences chest pain, dyspnea, and tachypnea. The nurse suspects that the client has a pulmonary embolism and immediately sets about:
- A. Preparing the client for a perfusion scan
- B. Attaching the client to a cardiac monitor
- C. Administering oxygen via nasal cannula
- D. Ensuring that the intravenous (IV) line is patent
Correct answer: C
Rationale: When a client who has just undergone surgery experiences sudden chest pain, dyspnea, and tachypnea, indicating possible pulmonary embolism, the immediate priority for the nurse is to administer oxygen via nasal cannula. This intervention aims to improve oxygenation and alleviate respiratory distress, which is crucial in the setting of a potential pulmonary embolism. Preparing the client for a perfusion scan is not the immediate priority as stabilizing the client's respiratory status comes first. While attaching the client to a cardiac monitor is important for monitoring, administering oxygen takes precedence in this situation. Ensuring IV line patency is relevant for overall client care but is not the priority when a client is experiencing respiratory distress requiring immediate intervention.
4. Which of the following lipid abnormalities is a risk factor for the development of atherosclerosis and peripheral vascular disease?
- A. Low concentration of triglycerides.
- B. High levels of high-density lipoprotein (HDL) cholesterol.
- C. High levels of low-density lipoprotein (LDL) cholesterol.
- D. Low levels of LDL cholesterol.
Correct answer: C
Rationale: The correct answer is C: High levels of low-density lipoprotein (LDL) cholesterol. High levels of LDL cholesterol contribute to the development of atherosclerosis and peripheral vascular disease by being deposited in the blood vessel walls, leading to the formation of plaques that can obstruct blood flow. Choice A is incorrect as a low concentration of triglycerides is not typically associated with an increased risk of atherosclerosis or PVD. Choice B is incorrect as high levels of high-density lipoprotein (HDL) cholesterol are actually considered protective against atherosclerosis as it helps remove cholesterol from arteries. Choice D is incorrect as low levels of LDL cholesterol are not typically considered a risk factor for atherosclerosis or PVD.
5. Which of the following is the most appropriate diet for a client during the acute phase of myocardial infarction?
- A. Liquids as desired.
- B. Small, easily digested meals.
- C. Three regular meals per day.
- D. Nothing by mouth.
Correct answer: B
Rationale: During the acute phase of myocardial infarction, it is recommended to provide small, easily digested meals for the client. This type of diet is better tolerated as it reduces the workload on the heart, allowing for easier digestion and absorption of nutrients. Choice A, 'Liquids as desired,' may not provide adequate nutrition and may not be well-balanced. Choice C, 'Three regular meals per day,' may be too heavy for the client's weakened condition. Choice D, 'Nothing by mouth,' is not appropriate as the client still requires essential nutrients for recovery.
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