HESI RN
Maternity HESI Quizlet
1. The healthcare provider prescribes Amoxicillin 500mg PO every 8hrs for a child who weighs 22 pounds. The available suspension is labeled Amoxicillin Suspension 250mg/5ml. The recommended maximum dose is 50mg/kg/24hr. How many mL should the nurse administer in a single dose based on the child’s weight?
- A. 10mL
- B. 15mL
- C. 7.5mL
- D. 5mL
Correct answer: A
Rationale: To calculate the dose for the child weighing 22 pounds, first convert the weight to kg: 22 lbs ÷ 2.2 = 10 kg. The maximum dose based on weight would be 10 kg × 50 mg/kg/24hr = 500 mg/24hr. Since the medication is prescribed every 8 hours, the dose for each administration would be 500 mg ÷ 3 doses = 166.67 mg. As the available suspension is 250mg/5ml, the nurse should administer 166.67 mg ÷ 250 mg/mL = 0.67 mL per dose. However, since it's not practical to administer a fraction of a milliliter, the nurse should round up to the nearest appropriate dose, which is 10mL.
2. The healthcare provider is preparing to administer phytonadione to a newborn. Which statement made by the parents indicates understanding why the healthcare provider is administering this medication?
- A. Prevent hemorrhagic disorders.
- B. Help an immature liver.
- C. Improve insufficient dietary intake.
- D. Stimulate the immune system.
Correct answer: A
Rationale: The correct answer is A: 'Prevent hemorrhagic disorders.' Phytonadione (vitamin K) is administered to newborns to prevent hemorrhagic disease by promoting blood clotting. Newborns are born with low levels of vitamin K, which is essential for blood clotting, hence the administration to prevent hemorrhagic disorders. Choice B is incorrect because phytonadione is not given to help an immature liver but to supply vitamin K. Choice C is incorrect as phytonadione is not administered to improve dietary intake but to provide essential vitamin K. Choice D is incorrect as phytonadione does not stimulate the immune system but helps with blood clotting.
3. The healthcare provider is preparing to administer magnesium sulfate to a laboring client whose blood pressure has increased from 110/60 mmHg to 140/90 mmHg. Which action is the highest priority?
- A. Provide a quiet environment with subdued lighting.
- B. Have calcium gluconate immediately available.
- C. Assess deep tendon reflexes (DTRs) every 4 hours.
- D. Insert a Foley catheter with a urimeter to monitor hourly output.
Correct answer: B
Rationale: Having calcium gluconate readily available is crucial when administering magnesium sulfate, as it serves as the antidote in case of magnesium toxicity. Magnesium sulfate can lead to respiratory depression and cardiac arrest in cases of overdose or toxicity, making the prompt availability of calcium gluconate essential for immediate administration to counteract these effects. Providing a quiet environment with subdued lighting may be beneficial for the client's comfort but is not the highest priority in this situation. Assessing deep tendon reflexes every 4 hours is important when administering magnesium sulfate, but it is not the highest priority compared to having calcium gluconate available. Inserting a Foley catheter with a urimeter to monitor hourly output is not the highest priority when preparing to administer magnesium sulfate in this scenario.
4. During an examination for possible cryptorchidism in an infant, what technique should be used?
- A. Place the infant in a warm room and use a calm approach.
- B. Hold the scrotum and palpate gently.
- C. Cleanse the penis with an antiseptic-soaked pad.
- D. Position the infant in a warm room to prevent muscle contraction.
Correct answer: D
Rationale: When examining an infant for cryptorchidism, it is important to position the infant in a warm room to prevent muscle contraction, which could cause the testes to retract. Placing the infant in a side-lying position may not be necessary for this specific examination. Holding the penis or retracting the foreskin is not relevant to the assessment for cryptorchidism. Cleansing the penis with an antiseptic pad is not indicated for this examination.
5. What should the nurse recommend to a woman with mastitis?
- A. Apply heat to the affected area.
- B. Apply cold compresses to the affected area.
- C. Use a breast pump to express milk.
- D. Continue breastfeeding as usual.
Correct answer: A
Rationale: The nurse should recommend applying heat to the affected area for a woman with mastitis. Heat can help reduce pain and inflammation associated with mastitis by improving blood flow to the area and promoting healing.
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