Medical Exam REX PN Practice Test PDF Certifications Certifications REX PN Practice Test PDF Questions Available Here at: https://www.easy-quizzz.com/ca/certification-exam/medical-exam/rex-pn-practice- test/quiz.html Enrolling now you will get access to 1045 questions in a unique set of REX PN Practice Test Question 1 Which action is most effective in reducing hospital-acquired infections? Options: A. Rigorous hand hygiene practices B. Limiting visitor access C. Providing patient educational materials D. Increasing doctor rounds Answer: A Explanation: Hand hygiene is the cornerstone of infection prevention and a primary measure to reduce hospital-acquired infections. Question 2 What is the most effective method for preventing the spread of infection in a clinical setting? Options: A. Proper hand hygiene B. Use of antibiotics prophylactically C. Wearing gloves only D. Always using face masks Answer: A Certifications Certifications REX PN Practice Test PDF https://www.easy-quizzz.com/ca/ Explanation: Proper hand hygiene is the single most effective measure for preventing the spread of infections when entering and leaving patient care areas. Question 3 A postoperative patient following major abdominal surgery develops tachycardia, decreased blood pressure, and low urinary output. Which of the following assessments is most helpful in determining the patient’s volume status? Options: A. Heart rate variability B. Central Venous Pressure measurement C. Temperature measurement D. Capillary refill time Answer: B Explanation: Central Venous Pressure measurement provides a reliable indicator of intravascular volume status, making it essential in assessing postoperative fluid balance. Question 4 A nurse is to administer 250 mg of a medication. The available medication is 100 mg per mL. How many mL should be administered? Options: A. 1 mL B. 1.5 mL C. 2.5 mL D. 3 mL Answer: C Explanation: Divide the ordered dose (250 mg) by the concentration (100 mg/mL) to get 2.5 mL. Question 5 What is the correct procedure for preparing to measure a patient's blood pressure using a manual sphygmomanometer? Certifications Certifications REX PN Practice Test PDF https://www.easy-quizzz.com/ca/ Options: A. Ensure the patient is seated comfortably with the arm at heart level and relaxed for at least five minutes B. Attach the cuff directly over clothing to secure it properly C. Use the smallest cuff available regardless of the patient's arm size D. Inflate the cuff rapidly to 200 mmHg immediately Answer: A Explanation: For accurate blood pressure measurements, the patient should be seated, relaxed, and the cuff applied on bare skin at the appropriate level. Question 6 What does the term "tachycardia" refer to in medical terminology? Options: A. Slow heart rate B. Rapid heart rate C. Irregular heartbeat D. Heart blockage Answer: B Explanation: Tachycardia is a medical term that describes an abnormally fast heart rate, typically defined as a resting heart rate exceeding 100 beats per minute. It can occur due to various factors, including stress, anxiety, fever, or underlying medical conditions. Understanding terms like tachycardia is essential for healthcare professionals when diagnosing and treating patients. Question 7 Which part of the body is responsible for regulating body temperature? Options: A. Liver B. Heart C. Lungs D. Hypothalamus Certifications Certifications REX PN Practice Test PDF https://www.easy-quizzz.com/ca/ Answer: D Explanation: The hypothalamus is a small part of the brain that plays a crucial role in maintaining body temperature. It acts as a thermostat, receiving signals from the peripheral temperature receptors and initiating appropriate responses to either increase or decrease body temperature. This is achieved through mechanisms such as sweating, shivering, and changes in blood flow to the skin. Question 8 What is the primary purpose of clear and accurate medical documentation in patient care? Options: A. To support clinical decision making B. To fulfill legal and billing requirements C. To improve communication among healthcare providers D. All of the above Answer: D Explanation: Clear and accurate documentation supports clinical decisions, fulfills legal and billing requirements, and enhances communication among healthcare providers. Question 9 A nurse is caring for a postpartum patient and notices that the fundus is boggy while the patient experiences heavy vaginal bleeding. Which nursing intervention should be implemented first? Options: A. Massage the fundus B. Assess the amount of bleeding C. Administer uterotonic medication per protocol D. Notify the provider immediately Answer: A Explanation: Uterine massage is the initial intervention to stimulate contraction of the uterus and help control bleeding, making it the priority action. Question 10 Certifications Certifications REX PN Practice Test PDF https://www.easy-quizzz.com/ca/ The nurse is caring for a client receiving vancomycin for methicillin-resistant Staphylococcus aureus. After reviewing the list of drugs that the client is taking concurrently, which drug interaction is the nurse concerned about? Options: A. Acetaminophen B. Ciprofloxacin C. Omeprazole D. Azithromycin Answer: B Explanation: When vancomycin is given with ciprofloxacin, there is an increased concern for potential nephrotoxicity. Both medications can stress the kidneys, so nurses must monitor renal function closely, including checking serum creatinine levels and urine output, to prevent kidney damage during therapy. Would you like to see more? 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