HESI RN
Adult Health 2 HESI Quizlet
1. How should the nurse interpret the following arterial blood gas results for a patient who had a tracheostomy placed after a motor vehicle crash: pH 7.48, PaO2 85 mm Hg, PaCO2 32 mm Hg, and HCO3 25 mEq/L?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Respiratory acidosis
- D. Respiratory alkalosis
Correct answer: D
Rationale: The patient's pH of 7.48 indicates alkalosis, and the low PaCO2 of 32 mm Hg suggests a respiratory cause. The HCO3 level is normal, ruling out metabolic causes. Therefore, the correct interpretation is respiratory alkalosis. Options A, B, and C are incorrect as they do not align with the pH and PaCO2 values provided.
2. While changing a client's post-operative dressing, the nurse observes a red and swollen wound with a moderate amount of yellow and green drainage and a foul odor. Given there is a positive MRSA, which is the most important action for the nurse to take?
- A. Force oral fluids
- B. Request a nutrition consult
- C. Initiate contact precautions
- D. Limit visitors to immediate family only
Correct answer: C
Rationale: The most important action for the nurse to take when a client has a positive MRSA and presents with a wound showing signs of infection is to initiate contact precautions. MRSA is highly contagious and placing the patient on contact precautions helps prevent the spread of the bacteria to others in the healthcare setting. (A) Forcing oral fluids will not directly address the MRSA infection. (B) Requesting a nutrition consult is not the priority in this situation. (D) Limiting visitors to immediate family only is not necessary as MRSA precautions are primarily focused on healthcare workers and close contacts who provide direct care.
3. When assessing a pregnant patient with eclampsia who is receiving IV magnesium sulfate, which finding should the nurse report to the health care provider immediately?
- A. The bibasilar breath sounds are decreased.
- B. The patellar and triceps reflexes are absent.
- C. The patient has been sleeping most of the day.
- D. The patient reports feeling 'sick to my stomach.'
Correct answer: B
Rationale: The correct answer is B because the absence of patellar and triceps reflexes indicates potential magnesium toxicity, requiring immediate intervention. Nausea and lethargy are common side effects of elevated magnesium levels and should be reported, but they are not as critical as the loss of deep tendon reflexes. Decreased breath sounds suggest the need for coughing and deep breathing to prevent atelectasis, which is important but not as urgent as addressing magnesium toxicity.
4. A patient is admitted for hypovolemia associated with multiple draining wounds. Which assessment would be the most accurate way for the nurse to evaluate fluid balance?
- A. Skin turgor
- B. Daily weight
- C. Presence of edema
- D. Hourly urine output
Correct answer: B
Rationale: Daily weight is the most easily obtained and accurate means of assessing volume status. Skin turgor varies considerably with age and can be affected by various factors other than fluid balance. Presence of edema indicates excess fluid has moved into the interstitial space, which may not always be directly correlated with overall fluid balance. Hourly urine outputs, though important, do not provide a comprehensive picture of fluid balance as they do not consider fluid intake, insensible losses, or other sources of fluid loss.
5. The nurse is teaching the parent of a child newly diagnosed with a latex allergy. Which information by the parents indicates a need for further teaching?
- A. Rubber-free toys, such as wooden building blocks, are good choices for the child.
- B. Only foil balloons will be used for the child's birthday party.
- C. A diet of healthy fruits, such as bananas and kiwis, is best for the child.
- D. An epinephrine auto-injector will be on hand to treat allergic reactions.
Correct answer: C
Rationale: The correct answer is C. Bananas and kiwis are foods that can cross-react with latex allergy, indicating that the parents need further teaching on managing latex allergies. Choices A, B, and D are correct as rubber-free toys, using foil balloons, and having an epinephrine auto-injector are appropriate measures to prevent and manage allergic reactions in a child with a latex allergy.
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