HESI LPN
HESI Fundamentals Study Guide
1. A healthcare provider in an office is preparing to auscultate and percuss a client’s thorax as part of a comprehensive physical examination. Which of the following findings should the provider expect?
- A. Rhonchi
- B. Crackles
- C. Resonance
- D. Tactile fremitus
Correct answer: C
Rationale: During a thoracic examination, normal findings should include resonance, which is the expected sound when percussing the thorax. Resonance indicates healthy lung tissue and air-filled spaces. Abnormal findings such as rhonchi and crackles suggest issues like lung congestion or inflammation. Tactile fremitus refers to vibrations felt on the chest wall during palpation and is not typically assessed during percussion and auscultation of the thorax.
2. A client who is unstable and requires frequent vital signs has an electronic blood pressure machine automatically measuring his blood pressure every 15 min. However, the machine is reading the client’s blood pressure at more frequent intervals, and the readings are not similar. The nurse checks the machine settings and observes the additional readings, but the problem continues. Which of the following is the appropriate nursing action?
- A. Notify the manufacturer
- B. Disconnect the machine, and measure the blood pressure manually every 15 min
- C. Adjust the machine settings again
- D. Ignore the extra readings
Correct answer: B
Rationale: The correct action in this scenario is to disconnect the electronic blood pressure machine and measure the client's blood pressure manually every 15 minutes. Given that the machine is malfunctioning and providing inconsistent readings, relying on manual measurements ensures accuracy and maintains the quality of care. Notifying the manufacturer (Choice A) may be necessary in the long run, but the immediate concern is the accuracy of the vital signs. Adjusting the machine settings again (Choice C) without resolving the underlying issue would not address the problem. Ignoring the extra readings (Choice D) could lead to incorrect assessment and compromise patient care. Therefore, the best course of action is to disconnect the machine and opt for manual blood pressure measurements until the issue is resolved.
3. When providing oral care to an unconscious patient, what action should the nurse take to protect the patient from injury?
- A. Moisten the mouth using lemon-glycerin sponges.
- B. Hold the patient's mouth open with gloved fingers.
- C. Use foam swabs to help remove plaque.
- D. Suction the oral cavity.
Correct answer: D
Rationale: When caring for an unconscious patient, it is crucial to prevent choking and aspiration. Suctioning the oral cavity helps in removing secretions and preventing potential harm. Moisten the mouth using lemon-glycerin sponges may not effectively clear secretions. Holding the patient's mouth open with gloved fingers can cause discomfort and potential harm. Using foam swabs to remove plaque may not address the immediate risk of aspiration.
4. When assessing bowel sounds, what action should a healthcare professional take?
- A. Listen to the bowel sounds before performing abdominal palpation
- B. Auscultate for 2 minutes to determine if bowel sounds are present
- C. Place the diaphragm of the stethoscope over each quadrant
- D. Ask the client to cough while auscultating
Correct answer: C
Rationale: When assessing bowel sounds, it is crucial to listen before performing any palpation as palpation can alter bowel sounds. The correct technique involves placing the diaphragm of the stethoscope over each quadrant of the abdomen to listen for bowel sounds. Auscultating for at least 5 minutes is recommended to accurately determine the presence or absence of bowel sounds. Asking the client to cough is not necessary for assessing bowel sounds and may not provide relevant information. Therefore, option C is the correct choice as it follows the appropriate procedure for assessing bowel sounds.
5. A client has a sodium level of 125 mEq/L. Which of the following findings should the nurse expect?
- A. Abdominal cramping
- B. Increased thirst
- C. Elevated blood pressure
- D. Elevated heart rate
Correct answer: A
Rationale: Abdominal cramping is a common manifestation of hyponatremia (low sodium levels). When sodium levels drop, it can lead to changes in the body's water balance, affecting cell function and causing symptoms like abdominal cramping. Increased thirst (choice B) is more commonly associated with hypernatremia (high sodium levels) due to the body's attempt to dilute the excess sodium. Elevated blood pressure (choice C) and elevated heart rate (choice D) are not typically direct manifestations of low sodium levels and are more commonly seen in conditions like dehydration or shock.
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