HESI RN
HESI Maternity 55 Questions Quizlet
1. During a routine prenatal health assessment for a client in her third trimester, the client reports that she had fluid leakage on her way to the appointment. Which technique should the nurse implement to evaluate the leakage?
- A. Insert a straight urinary catheter to drain the bladder.
- B. Scan the bladder for urinary retention.
- C. Palpate the suprapubic area for fetal head position.
- D. Test the fluid with a nitrazine strip.
Correct answer: D
Rationale: Testing the fluid with a nitrazine strip is the appropriate technique to differentiate between amniotic fluid and urine. This test helps in determining if the fluid leakage is amniotic fluid, which is crucial for guiding further management and ensuring appropriate care for the client during the third trimester of pregnancy. Inserting a straight urinary catheter to drain the bladder (Choice A) is unnecessary and invasive in this scenario as the concern is fluid leakage, not urinary retention. Scanning the bladder for urinary retention (Choice B) is also not indicated since the client reported fluid leakage, not retention. Palpating the suprapubic area for fetal head position (Choice C) is unrelated to assessing fluid leakage and not the appropriate technique in this situation.
2. A breastfeeding infant, screened for congenital hypothyroidism, is found to have low levels of thyroxine (T4) and high levels of thyroid-stimulating hormone (TSH). What is the best explanation for this finding?
- A. The thyroxine level is low because the TSH level is high.
- B. High thyroxine levels do not normally occur in breastfeeding infants.
- C. The thyroid gland does not produce normal levels of thyroxine for several weeks after birth.
- D. The TSH is high because of the low production of T4 by the thyroid.
Correct answer: D
Rationale: High TSH and low T4 levels indicate that the thyroid gland is not producing enough hormones, which is a sign of congenital hypothyroidism. In this case, the high TSH is a compensatory response by the body to stimulate the thyroid to produce more T4. Choice A is incorrect because TSH does not directly affect T4 levels; rather, it is the other way around where low T4 levels lead to high TSH levels. Choice B is incorrect because high thyroxine levels are not expected in congenital hypothyroidism. Choice C is incorrect as the thyroid gland should be producing normal levels of thyroxine shortly after birth, making this explanation unlikely in the context of congenital hypothyroidism.
3. The healthcare provider prescribes magnesium sulfate 6 grams intravenously (IV) to be infused over 20 minutes for a client with preterm labor. The IV bag contains magnesium sulfate 20 grams in dextrose 5% in water 500 mL. How many mL/hour should the nurse set the infusion pump?
- A. 150 mL/hour
- B. 250 mL/hour
- C. 50 mL/hour
- D. 275 mL/hour
Correct answer: A
Rationale: To calculate the infusion rate, first, determine the total volume to be infused (6 grams of magnesium sulfate) over a specific time frame (20 minutes). Then, calculate the concentration of magnesium sulfate in the IV bag to determine the mL/hour rate. The IV bag contains 20 grams of magnesium sulfate in 500 mL of solution, which means there are 4 grams of magnesium sulfate per 100 mL. Since 6 grams are required, the nurse should set the pump to deliver 150 mL/hour to infuse the prescribed dose over 20 minutes. Choice B, 250 mL/hour, is incorrect because it miscalculates the amount of magnesium sulfate infused per hour. Choice C, 50 mL/hour, is incorrect as it is too slow to deliver the required dose in the specified time frame. Choice D, 275 mL/hour, is incorrect as it overestimates the infusion rate and would deliver the dose too quickly.
4. A newborn with a yellow abdomen and chest is being assessed. What should be the nurse's initial action?
- A. Assess bilirubin level.
- B. Administer phototherapy.
- C. Encourage feeding to help reduce bilirubin levels.
- D. Perform a bilirubin test every hour.
Correct answer: A
Rationale: The correct action when assessing a newborn with a yellow abdomen and chest is to initially assess the bilirubin level. This helps determine the severity of jaundice in the newborn. Administering phototherapy (choice B) is a treatment intervention that follows the assessment. Encouraging feeding (choice C) can help with bilirubin excretion but is not the initial assessment. Performing a bilirubin test every hour (choice D) may not be necessary initially and could lead to unnecessary interventions.
5. The LPN/LVN is preparing a client with a term pregnancy who is in active labor for an amniotomy. What equipment should the nurse have available at the client's bedside?
- A. Litmus paper.
- B. Fetal scalp electrode.
- C. A sterile glove.
- D. Needle and Thread
Correct answer: C
Rationale: For performing an amniotomy, the nurse should have a sterile glove to maintain asepsis and an amniotic hook to rupture the amniotic sac. Litmus paper is not required for this procedure, and a fetal scalp electrode is used for fetal monitoring, not for an amniotomy.
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