HESI LPN
HESI Focus on Maternity Exam
1. A healthcare professional is caring for a client who is 14 weeks of gestation. At which of the following locations should the healthcare professional place the Doppler device when assessing the fetal heart rate?
- A. Midline 2 to 3 cm (0.8 to 1.2 in) above the symphysis pubis
- B. Left Upper Abdomen
- C. Two fingerbreadths above the umbilicus
- D. Lateral at the Xiphoid Process
Correct answer: A
Rationale: At 14 weeks of gestation, the uterus is still relatively low in the abdomen. Placing the Doppler midline 2 to 3 cm above the symphysis pubis is appropriate for assessing the fetal heart rate. This location allows for better detection of the fetal heart tones as the uterus is at a lower position during this stage of pregnancy. Placing the Doppler on the left upper abdomen would not be ideal at 14 weeks gestation as the uterus is not yet at that level. Placing it two fingerbreadths above the umbilicus or lateral at the xiphoid process would also not be accurate for locating the fetal heart rate at this stage of gestation.
2. A client in the transition phase of labor reports a pain level of 7 on a scale of 0 to 10. Which of the following actions should the nurse take?
- A. Instruct the client to use effleurage.
- B. Apply counterpressure to the client's sacrum.
- C. Assist the client with patterned-paced breathing.
- D. Teach the client the technique of biofeedback.
Correct answer: B
Rationale: During the transition phase of labor, a client may experience intense back pain due to the pressure of the baby descending. Applying counterpressure to the client's sacrum can help alleviate this discomfort. Effleurage is a light stroking massage technique that may not provide adequate relief for intense back pain. Patterned-paced breathing is beneficial for managing contractions but may not directly address back pain. Biofeedback is a technique that helps individuals gain awareness and control of certain physiological functions, but it may not be the most appropriate intervention for acute labor pain.
3. A healthcare provider is assessing a preterm newborn who is at 32 weeks of gestation. Which of the following finding should the healthcare provider expect?
- A. Minimal arm recoil
- B. Popliteal angle of less than 90°
- C. Creases over the entire sole
- D. Sparse lanugo
Correct answer: A
Rationale: When assessing a preterm newborn at 32 weeks of gestation, healthcare providers should expect minimal arm recoil. This finding is common in preterm infants due to lower muscle tone. Choice B, a popliteal angle of less than 90°, is incorrect for this age group. Creases over the entire sole (Choice C) typically develop at term age, not at 32 weeks of gestation. Sparse lanugo (Choice D) is a normal finding in preterm infants but is not specific to those at 32 weeks of gestation.
4. Chromosomes are _____ structures found in cells.
- A. rod-shaped
- B. circular
- C. cone-shaped
- D. octagonal
Correct answer: A
Rationale: Chromosomes are rod-shaped structures that carry genetic information in the form of DNA. They are typically seen as elongated structures when visualized under a microscope. Choice B, circular, is incorrect as chromosomes do not have a circular shape; they are linear. Choice C, cone-shaped, is not accurate as chromosomes do not resemble cones in any way. Choice D, octagonal, is also incorrect as chromosomes do not have an octagonal appearance. Therefore, the correct answer is A, rod-shaped, which accurately describes the shape of chromosomes.
5. What is a procedure for using ultrasonic sound waves to create a picture of an embryo or fetus?
- A. Phenotype
- B. Sonogram
- C. Genotype
- D. Alpha-fetoprotein (AFP) assay
Correct answer: B
Rationale: A sonogram, also known as an ultrasound, is a procedure that utilizes sound waves to generate images of a developing embryo or fetus. This imaging technique is commonly used in prenatal care to monitor fetal development and identify any potential abnormalities. Choices A, C, and D are incorrect because a phenotype refers to an individual's observable traits resulting from genetic and environmental influences, a genotype is an individual's genetic makeup, and an alpha-fetoprotein (AFP) assay is a blood test used to screen for certain birth defects.
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