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. A 36-week primigravida is admitted to labor and delivery with severe abdominal pain and bright red vaginal bleeding. Her abdomen is rigid and tender to touch. The fetal heart rate (FHR) is 90 beats/minute, and the maternal heart rate is 120 beats/minute. What action should the nurse implement first?
- A. Alert the neonatal team and prepare for neonatal resuscitation
- B. Notify the healthcare provider from the client’s bedside
- C. Obtain written consent for an emergency cesarean section
- D. Draw a blood sample for stat hemoglobin and hematocrit
Correct answer: B
Rationale: In this scenario, the priority action for the nurse is to notify the healthcare provider from the client's bedside. The clinical presentation of severe abdominal pain, bright red vaginal bleeding, rigid and tender abdomen, along with fetal bradycardia (FHR 90 bpm) and maternal tachycardia (120 bpm) indicates an urgent need for medical intervention. Notifying the healthcare provider promptly allows for immediate assessment and decision-making to address the critical condition and ensure timely and appropriate management for both the mother and fetus.
3. The client at 10 weeks' gestation is palpated with the fundus at 3 fingerbreadths above the pubic symphysis. The client reports nausea, vomiting, and scant dark brown vaginal discharge. What action should the nurse take?
- A. Collect a urine sample for urinalysis.
- B. Measure vital signs.
- C. Recommend bed rest.
- D. Obtain human chorionic gonadotropin levels.
Correct answer: D
Rationale: In a pregnant client with a fundal height greater than expected at 10 weeks and experiencing scant dark brown vaginal discharge, there is a concern for a molar pregnancy. Assessing human chorionic gonadotropin (hCG) levels is crucial in this situation to confirm or rule out this condition.
4. The LPN/LVN is counseling a woman who wants to become pregnant. The woman tells the nurse that she has a 36-day menstrual cycle and the first day of her last menstrual period was January 8. The nurse calculates that the woman's next fertile period is
- A. January 14-15.
- B. January 22-23.
- C. January 30-31.
- D. February 6-7.
Correct answer: C
Rationale: To determine the fertile period, subtract 14 days from the length of the woman's menstrual cycle. In this case, 36-14 = 22. Counting forward from the first day of the last menstrual period (January 8), the fertile period falls around January 30-31. This is because ovulation typically occurs approximately 14 days before the start of the next menstrual period, marking the fertile window for conception.
5. A client with no prenatal care arrives at the labor unit screaming, 'The baby is coming!' The nurse performs a vaginal examination that reveals the cervix is 3 centimeters dilated and 75% effaced. What additional information is most important for the LPN/LVN to obtain?
- A. Gravidity and parity.
- B. Time and amount of last oral intake.
- C. Date of last normal menstrual period.
- D. Frequency and intensity of contractions.
Correct answer: C
Rationale: Obtaining the date of the last normal menstrual period is crucial in estimating the gestational age of the fetus. This information helps in determining the progression of labor and the management of delivery. It also assists healthcare providers in assessing the overall health of the mother and the fetus. Choices A, B, and D are important in labor assessment, but in this scenario, the most crucial information needed is the date of the last normal menstrual period to estimate the gestational age.
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