HESI RN
Evolve HESI Medical Surgical Practice Exam Quizlet
1. Which of the following conditions is most commonly associated with a high risk of stroke?
- A. Hypertension.
- B. Diabetes.
- C. Obesity.
- D. Smoking.
Correct answer: A
Rationale: Hypertension is the correct answer. Hypertension, also known as high blood pressure, is a major risk factor for stroke because it puts increased pressure on blood vessels in the brain, making them more prone to damage and increasing the likelihood of a stroke. While diabetes, obesity, and smoking are also risk factors for stroke, hypertension is the most commonly associated condition with a high risk of stroke due to its direct impact on the blood vessels.
2. The nurse is teaching a nursing student about the minimal effective concentration (MEC) of antibiotics. Which statement by the nursing student indicates understanding of this concept?
- A. A serum drug level greater than the MEC ensures that the drug is bacteriostatic.
- B. A serum drug level greater than the MEC broadens the spectrum of the drug.
- C. A serum drug level greater than the MEC helps eradicate bacterial infections.
- D. A serum drug level greater than the MEC increases the therapeutic index.
Correct answer: C
Rationale: The MEC is the minimum amount of drug needed to halt the growth of a microorganism. A level greater than the MEC helps eradicate infections. Drugs at or above the MEC are usually bactericidal, not bacteriostatic. Therefore, choice A is incorrect. Broadening the spectrum of a drug refers to its range of activity against different microorganisms, which is not directly related to MEC. Thus, choice B is incorrect. Increasing the therapeutic index involves maximizing the effectiveness of a drug while minimizing its toxicity, which is not specifically related to MEC. Therefore, choice D is also incorrect.
3. During nasotracheal suctioning, which of the following observations should be cause for concern to the nurse? Select all that apply.
- A. The client becomes cyanotic.
- B. Secretions are bloody.
- C. The client gags during the procedure.
- D. Clear to opaque secretions are removed.
Correct answer: C
Rationale: During nasotracheal suctioning, the client gagging during the procedure is a cause for concern as it can indicate discomfort or potential airway obstruction. Cyanosis, bloody secretions, or the removal of clear to opaque secretions are expected observations that the nurse should monitor for, but gagging indicates a need for immediate intervention to ensure the safety and comfort of the client. Cyanosis and bloody secretions can signify oxygenation issues and potential complications, while the removal of secretions is the goal of the suctioning procedure.
4. A client who just returned from the recovery room after a tonsillectomy and adenoidectomy is restless, and her pulse rate is increased. As the nurse continues the assessment, the client begins to vomit a copious amount of bright-red blood. The immediate nursing action is to:
- A. Notify the surgeon
- B. Continue the assessment
- C. Check the client’s blood pressure
- D. Obtain a flashlight, gauze, and a curved hemostat
Correct answer: A
Rationale: In the scenario described, the client's presentation with bright-red blood vomiting after a tonsillectomy and adenoidectomy is highly concerning for an immediate postoperative hemorrhage, which can be life-threatening. The priority action for the nurse is to notify the surgeon immediately. Prompt communication with the surgeon is vital to ensure swift intervention and appropriate management to address the hemorrhage effectively. Continuing the assessment, checking the client's blood pressure, or obtaining equipment are all secondary actions in this critical situation and would delay the necessary urgent intervention required to manage the hemorrhage effectively.
5. A client presents with a fungal urinary tract infection (UTI). Which assessments should the nurse complete? (Select all that apply.)
- A. Palpate the kidneys and bladder.
- B. Assess the medical history and current medical problems.
- C. Perform a bladder scan to assess post-void residual.
- D. Inquire about recent travel to foreign countries.
Correct answer: B
Rationale: When assessing a client with a fungal UTI, the nurse should prioritize gathering information related to the medical history and current medical problems. Clients who are severely immunocompromised or have conditions like diabetes mellitus are more susceptible to fungal UTIs. Assessing the medical history helps identify risk factors and potential causes of the infection. While physical examinations like palpating the kidneys and bladder and performing a bladder scan may be necessary, they should follow the initial assessment of medical history. Inquiring about recent travel to foreign countries is less relevant in the context of a fungal UTI, as the focus should be on immediate medical factors predisposing the client to the infection.
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