NCLEX-RN
NCLEX RN Exam Preview Answers
1. When performing a physical examination, safety must be considered to protect the examiner and the patient against the spread of infection. Which of these statements describes the most appropriate action the nurse would take when performing a physical examination?
- A. Washing one's hands after removing gloves is necessary, even if the gloves are still intact
- B. Hands are washed before and after every physical patient encounter
- C. Hands are washed before the examination of each body system to prevent the spread of bacteria from one part of the body to another
- D. Gloves are worn throughout the entire examination to demonstrate concern regarding the spread of infectious diseases
Correct answer: B
Rationale: The most appropriate action for the nurse to take when performing a physical examination is to wash their hands before and after every physical patient encounter. This practice helps prevent the spread of infection. Hands should also be washed after contact with blood, body fluids, secretions, and excretions, and after contact with any equipment contaminated with body fluids. It is crucial to wash hands after removing gloves, even if the gloves appear intact. Choice A is incorrect because washing hands after removing gloves is necessary to ensure thorough hygiene. Choice C is incorrect because hands should be washed before and after every patient encounter, not just before examining each body system. Choice D is incorrect because gloves should be worn when there is potential contact with body fluids, but they do not need to be worn throughout the entire examination.
2. When percussing over the abdomen of an obese patient, the nurse is unable to identify any changes in sound. What would the nurse do next?
- A. Ask the patient to take deep breaths to relax the abdominal musculature.
- B. Consider this finding as normal and proceed with the abdominal assessment.
- C. Increase the amount of strength used when attempting to percuss over the abdomen.
- D. Decrease the amount of strength used when attempting to percuss over the abdomen.
Correct answer: C
Rationale: When percussing an obese patient's abdomen, the thickness of their body wall can affect the sound produced. A stronger percussion stroke is needed for obese or very muscular patients. The force of the blow determines the loudness of the note. Asking the patient to take deep breaths, considering the finding as normal, or decreasing the strength used are not appropriate actions in this scenario.
3. A leukemia patient has a relative who wants to donate blood for transfusion. Which of the following donor medical conditions would prevent this?
- A. A history of hepatitis C five years previously
- B. Cholecystitis requiring cholecystectomy one year previously
- C. Asymptomatic diverticulosis
- D. Crohn's disease in remission
Correct answer: A
Rationale: A history of hepatitis C five years previously would prevent a donor from donating blood for transfusion. Hepatitis C is a viral infection transmitted through bodily fluids, such as blood, causing inflammation of the liver. Patients with hepatitis C may not donate blood for transfusion due to the high risk of infection in the recipient. Cholecystitis requiring cholecystectomy one year previously, asymptomatic diverticulosis, and Crohn's disease in remission are not contraindications for blood donation as they do not pose a risk of transmitting infections to the recipient.
4. The healthcare professional has collected the following information on a patient: palpated blood pressure"?180 mm Hg; auscultated blood pressure"?170/100 mm Hg; apical pulse"?60 beats per minute; radial pulse"?70 beats per minute. What is the patient's pulse pressure?
- A. 10
- B. 70
- C. 80
- D. 100
Correct answer: B
Rationale: Pulse pressure is the numerical difference between the systolic and diastolic blood pressure readings. In this case, the systolic blood pressure is 170 mm Hg, and the diastolic blood pressure is 100 mm Hg. Therefore, the pulse pressure is calculated as 170 - 100 = 70 mm Hg. Pulse pressure reflects the stroke volume, the amount of blood ejected from the heart with each beat. Choices A, C, and D are incorrect because they do not accurately represent the difference between the systolic and diastolic blood pressure readings provided.
5. Which of these actions illustrates the correct technique for a nurse when assessing oral temperature with a glass thermometer?
- A. Wait 30 minutes if the patient has ingested hot or iced liquids.
- B. Leave the thermometer in place for 3 to 4 minutes if the patient is afebrile.
- C. Shake the glass thermometer down to 35.5�C before taking the patient's temperature.
- D. Place the thermometer at the base of the tongue and ask the patient to close his or her lips.
Correct answer: B
Rationale: The correct technique for assessing oral temperature with a glass thermometer involves leaving the thermometer in place for 3 to 4 minutes if the patient is afebrile and up to 8 minutes if the patient is febrile. Waiting 30 minutes if the patient has ingested hot or iced liquids is incorrect; instead, the nurse should wait 15 minutes in such cases. Shaking the glass thermometer down to 35.5�C, not 37.5�C, is the correct procedure before taking the patient's temperature. Placing the thermometer at the base of the tongue, not the front, and asking the patient to close their lips is the proper way to position the thermometer. Therefore, the correct answer is to leave the thermometer in place for 3 to 4 minutes if the patient is afebrile and up to 8 minutes if the patient is febrile.
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