NCLEX-RN
NCLEX RN Exam Prep
1. Your patient has finished a 12-ounce can of iced tea and 8 ounces of fresh orange juice. What will you record on the Intake and Output form for this patient's intake?
- A. 20 cc
- B. 20 cm
- C. 600 cc
- D. 600 cm
Correct answer: C
Rationale: You will record 600 cc of fluid intake. There are 600 cc in 20 ounces (12 ounces of iced tea + 8 ounces of orange juice) of fluid intake. Choice A and B are incorrect as they do not reflect the correct conversion of fluid intake from ounces to cubic centimeters. Choice D is incorrect as it provides the measurement in cubic centimeters but does not account for the total fluid intake accurately.
2. The nurse is conducting a health fair for older adults. Which statement is true regarding vital sign measurements in aging adults?
- A. The pulse is easier to palpate due to the rigidity of the blood vessels.
- B. An increased respiratory rate and a shallower inspiratory phase are expected findings.
- C. A widened pulse pressure occurs from changes in the systolic and diastolic blood pressures.
- D. Changes in the body's temperature regulatory mechanism decrease the older adult's likelihood of developing a fever.
Correct answer: B
Rationale: Aging causes a decrease in vital capacity and decreased inspiratory reserve volume. As a result, the examiner may observe a shallower inspiratory phase and an increased respiratory rate in older adults. Contrary to common belief, the increased rigidity of arterial walls actually makes the pulse easier to palpate in aging adults. Pulse pressure is widened, not decreased, due to changes in systolic and diastolic blood pressures. Furthermore, changes in the body's temperature regulatory mechanism make older individuals less likely to develop a fever but more susceptible to hypothermia.
3. A 4-month-old child is at the clinic for a well-baby checkup and immunizations. Which of these actions is most appropriate when the nurse is assessing an infant's vital signs?
- A. The infant's radial pulse should be palpated, and the nurse should notice any fluctuations resulting from activity or exercise.
- B. The nurse should auscultate an apical rate for 1 minute and then assess for any normal irregularities, such as sinus dysrhythmia.
- C. The infant's blood pressure should be assessed by using a stethoscope with a large diaphragm piece to hear the soft muffled Korotkoff sounds.
- D. The infant's chest should be observed and the respiratory rate counted for 1 minute; the respiratory pattern may vary significantly.
Correct answer: B
Rationale: The nurse auscultates an apical rate, not a radial pulse, with infants and toddlers. The pulse should be counted by listening to the heart for 1 full minute to account for normal irregularities, such as sinus dysrhythmia. Children younger than 3 years of age have such small arm vessels; consequently, hearing Korotkoff sounds with a stethoscope is difficult. The nurse should use either an electronic blood pressure device that uses oscillometry or a Doppler ultrasound device to amplify the sounds. An infant's respiratory rate should be assessed by observing the infant's abdomen, not chest, because an infant's respirations are normally more diaphragmatic than thoracic. The nurse should auscultate an apical heart rate, not palpate a radial pulse, with infants and toddlers.
4. To accurately assess a patient's respiration rate, which of the following methods would be BEST?
- A. Tell the patient, 'Please remain silent while I count your number of breaths.'
- B. Count respirations at the same time you are counting the pulse rate
- C. Count the pulse rate for one minute, then, while keeping your index fingers on the patient's radial artery, count the respirations for an additional minute.
- D. Count the patient's respiration rate, then take the patient's temperature, and then take the pulse rate.
Correct answer: B
Rationale: The most accurate method to assess a patient's respiration rate is to count the breaths simultaneously while counting the pulse rate. This approach ensures that the patient is unaware of the specific focus on their breathing, preventing any conscious alteration in breathing patterns. Choice A is incorrect because informing the patient may lead to altered breathing as the patient may consciously change their breathing pattern. Choice C involves counting the pulse rate first, which is not necessary for assessing respiration rate. Choice D is incorrect as it includes unnecessary steps such as taking the patient's temperature before counting respiration rate, which adds no value to accurately assessing the respiration rate.
5. The nurse is assessing children in a pediatric clinic. Which statement is true regarding the measurement of blood pressure in children?
- A. Blood pressure guidelines for children are based on age.
- B. Phase II Korotkoff sounds are the best indicator of systolic blood pressure in children.
- C. Using a Doppler device is recommended for accurate blood pressure measurements until adolescence.
- D. The disappearance of phase V Korotkoff sounds can be used for the diastolic reading in children.
Correct answer: D
Rationale: The disappearance of phase V Korotkoff sounds can be used for the diastolic reading in children, as well as in adults. Blood pressure guidelines for children are based on more than just age, but also sex and height. Phase I Korotkoff, not Phase II, is the best indicator of systolic blood pressure. The true statement regarding the measurement of blood pressure in children is that the disappearance of phase V Korotkoff sounds can be used for the diastolic reading in children, as well as in adults.
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