NCLEX-RN
NCLEX RN Exam Preview Answers
1. When preparing to perform a physical examination on an infant, what should the nurse do?
- A. Have the parent remove all clothing except the diaper.
- B. Instruct the parent not to feed the infant immediately before the examination.
- C. Allow the infant to suck on a pacifier during abdominal auscultation.
- D. Ensure the parent is present during the examination.
Correct answer: A
Rationale: For performing a physical examination on an infant, it is important to have the parent remove all clothing except the diaper to allow for a thorough examination while ensuring the infant remains comfortable. It is recommended not to feed the infant immediately before the examination but rather 1 to 2 hours after feeding when the baby is neither too drowsy nor too hungry. While a pacifier may be used during invasive assessments or if the infant is crying, it is not typically necessary during abdominal auscultation. Having the parent present during the examination is important for the infant's security and for the parent to understand the process; however, the clothing should still be removed except for the diaper to facilitate a comprehensive assessment.
2. What type of blood pressure measurement error is most likely to occur if the nurse does not check for the presence of an auscultatory gap?
- A. Diastolic blood pressure may not be heard.
- B. Diastolic blood pressure may be falsely low.
- C. Systolic blood pressure may be falsely low.
- D. Systolic blood pressure may be falsely high.
Correct answer: C
Rationale: If an auscultatory gap is undetected, a falsely low systolic reading may occur. This gap can lead to an underestimation of the systolic blood pressure, causing potential misinterpretation of the patient's condition. The diastolic blood pressure may not be heard due to the gap, but the critical issue in this scenario is the risk of underestimating systolic blood pressure, which can impact clinical decision-making. Choices B, C, and D are incorrect because the key concern in this context is the potential for a falsely low systolic blood pressure reading when an auscultatory gap is not assessed.
3. A student is late for an appointment and has rushed across campus to the health clinic. How should the nurse proceed?
- A. Allow 5 minutes for the student to relax and rest before checking their vital signs.
- B. Check the blood pressure in both arms, expecting a difference in the readings due to the recent exercise.
- C. Immediately monitor the student's vital signs upon arrival at the clinic and then 5 minutes later, recording any differences.
- D. Check the student's blood pressure in the supine position to provide a more accurate reading and allow the student to relax at the same time.
Correct answer: A
Rationale: To ensure an accurate blood pressure reading, it is important for the student to be in a relaxed state. Allowing at least a 5-minute rest period helps reduce anxiety and provides a valid blood pressure measurement. Checking the blood pressure in both arms is unnecessary unless there is a specific reason to suspect an issue, and recent exercise should not significantly impact the readings. Monitoring vital signs immediately upon arrival may not yield accurate results due to the rush and anxiety of the student. Checking blood pressure in the supine position is not necessary in this scenario and does not provide a more accurate reading.
4. The healthcare provider is preparing to use an otoscope for an examination. Which statement is true regarding the otoscope?
- A. Often used to direct light into the sinuses
- B. Used to examine the structures of the internal ear
- C. Uses a short, broad speculum to help visualize the ear
- D. Directs light into the ear canal and onto the tympanic membrane
Correct answer: D
Rationale: The otoscope is a tool used to examine the ear canal and tympanic membrane, which separates the external and middle ear. It is not intended to direct light into the sinuses or examine the internal structures of the ear. The otoscope typically uses a short, narrow speculum to aid in visualizing the ear canal and tympanic membrane, not a short, broad speculum as mentioned in choice C.
5. During an examination, the nurse notices that a female patient has a round "moon"? face, central trunk obesity, and a cervical hump. Her skin is fragile with bruises. The nurse determines that the patient likely has which condition?
- A. Gigantism
- B. Acromegaly
- C. Cushing syndrome
- D. Marfan syndrome
Correct answer: C
Rationale: Cushing syndrome is characterized by weight gain and edema with central trunk and cervical obesity (buffalo hump) and a round, plethoric face (moon face). Excessive catabolism in Cushing syndrome causes muscle wasting, weakness, thin arms and legs, reduced height, and thin, fragile skin with purple abdominal striae, bruising, and acne. Gigantism is characterized by increased height and weight and delayed sexual development, which are not present in the patient. Acromegaly results from excessive growth hormone secretion in adulthood, leading to bone overgrowth in specific areas like the face, head, hands, and feet. Marfan syndrome is an inherited connective tissue disorder characterized by a tall, thin stature and distinct features not seen in this patient. The combination of signs described in the question aligns with the clinical presentation of Cushing syndrome.
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