NCLEX-RN
Exam Cram NCLEX RN Practice Questions
1. Why should a palpated pressure be performed before auscultating blood pressure?
- A. To more clearly hear the Korotkoff sounds.
- B. To detect the presence of an auscultatory gap.
- C. To avoid missing a falsely elevated blood pressure.
- D. To more readily identify phase IV of the Korotkoff sounds.
Correct answer: B
Rationale: Performing a palpated pressure before auscultating blood pressure helps in detecting the presence of an auscultatory gap. An auscultatory gap is a period during blood pressure measurement when Korotkoff sounds temporarily disappear before reappearing. Inflation of the cuff 20 to 30 mm Hg beyond the point where a palpated pulse disappears helps in identifying this gap. This technique ensures accurate blood pressure measurement by preventing the underestimation of blood pressure values. The other options are incorrect because palpating the pressure is not primarily done to hear Korotkoff sounds more clearly, avoid missing falsely elevated blood pressure, or readily identify a specific phase of Korotkoff sounds.
2. When teaching a patient to use the three-point gait technique of crutch use:
- A. The injured leg moves ahead at the same time as both crutches.
- B. One crutch moves at a time and is then followed by the injured leg.
- C. Both crutches move ahead at the same time followed by both legs at the same time.
- D. None of the above are correct.
Correct answer: A
Rationale: The correct technique for a three-point gait involves the injured leg moving simultaneously with both crutches, followed by the uninjured leg. This gait pattern is utilized when the patient is unable to bear full weight on one of their legs. Choice A accurately describes the appropriate sequence of movements for the three-point gait technique. Choices B and C do not accurately reflect the correct pattern of movement during the three-point gait technique, making them incorrect. Choice D is incorrect as there is a correct option among the choices provided.
3. 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.
4. What is the flap of tissue that covers the trachea upon swallowing called?
- A. Epidermis
- B. Endocardium
- C. Epiglottis
- D. Epistaxis
Correct answer: C
Rationale: The correct answer is C: Epiglottis. The epiglottis is a flap of tissue that covers the trachea when swallowing to prevent food or liquid from entering the airway. Choice A, Epidermis, is the outer layer of the skin and is not related to the trachea. Choice B, Endocardium, is the inner lining of the heart chambers and is also unrelated to the trachea. Choice D, Epistaxis, refers to a nosebleed and is not the correct term for the tissue covering the trachea.
5. The nurse is assessing the vital signs of a 20-year-old marathon runner and documents the following vital signs: temperature"?36°C; pulse"?48 beats per minute; respirations"?14 breaths per minute; blood pressure"?104/68 mm Hg. Which statement is true concerning these results?
- A. The patient is experiencing bradycardia.
- B. These are normal vital signs for a healthy, athletic adult.
- C. The patient's pulse rate is not normal"?no action is required.
- D. The patient's next clinic visit should occur as scheduled.
Correct answer: B
Rationale: The correct answer is, 'These are normal vital signs for a healthy, athletic adult.' A pulse rate of 48 beats per minute is considered bradycardia in adults, but it is not a concern in well-trained athletes like marathon runners. Bradycardia is a normal physiological response to aerobic conditioning. Tachycardia, on the other hand, is defined as a pulse rate above 100 beats per minute, which is not the case here. The low pulse rate in this scenario is a reflection of the athlete's cardiovascular fitness. Therefore, there is no need to notify the physician or schedule a follow-up visit based on these findings.
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