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Maternity HESI Practice Questions
1. Which procedure is used to detect neural tube defects such as spina bifida and certain chromosomal abnormalities?
- A. Artificial insemination
- B. Amniocentesis
- C. Endometriosis
- D. Alpha-fetoprotein (AFP) assay
Correct answer: D
Rationale: The correct answer is the Alpha-fetoprotein (AFP) assay. This blood test measures the level of AFP in a pregnant woman's blood, aiding in the detection of neural tube defects and certain chromosomal abnormalities in the fetus. Choice A, artificial insemination, is a method used to facilitate fertilization and is not related to detecting fetal abnormalities. Choice B, amniocentesis, involves collecting amniotic fluid for genetic testing, not directly measuring AFP levels. Choice C, endometriosis, is a medical condition involving abnormal tissue growth and is not a procedure for detecting fetal abnormalities. Therefore, the Alpha-fetoprotein (AFP) assay is the most appropriate option for detecting neural tube defects such as spina bifida and certain chromosomal abnormalities.
2. A client at 20 weeks of gestation has trichomoniasis. Which of the following findings should the nurse expect?
- A. Thick, White Vaginal Discharge
- B. Urinary Frequency
- C. Vulvar Lesions
- D. Malodorous Discharge
Correct answer: D
Rationale: Malodorous discharge is a common symptom of trichomoniasis caused by the Trichomonas vaginalis parasite. It is typically described as frothy, greenish-yellow, and malodorous. Choices A, B, and C are incorrect findings associated with other conditions. Thick, white vaginal discharge is more characteristic of a yeast infection; urinary frequency may be seen in urinary tract infections; and vulvar lesions are commonly seen in herpes simplex virus infections.
3. The healthcare provider prescribes 10 units per liter of oxytocin via IV drip to augment a client's labor because she is experiencing a prolonged active phase. Which finding would cause the nurse to immediately discontinue the oxytocin?
- A. Contraction duration of 100 seconds.
- B. Four contractions in 10 minutes.
- C. Uterus is soft.
- D. Early deceleration of fetal heart rate.
Correct answer: A
Rationale: A contraction duration of 100 seconds is too long and can indicate uterine hyperstimulation, which can lead to fetal distress and other complications. This prolonged contraction duration suggests that the uterus is not relaxing adequately between contractions, potentially compromising fetal oxygenation. Choice B, 'Four contractions in 10 minutes,' is a sign of tachysystole, which is concerning but not as immediately critical as the prolonged contraction duration. Choice C, 'Uterus is soft,' is not a reason to discontinue oxytocin; in fact, it is a normal finding. Choice D, 'Early deceleration of fetal heart rate,' while indicating fetal distress, is not a direct result of the oxytocin and may require intervention but not immediate discontinuation of the medication.
4. Thalidomide was marketed in the 1960s as a treatment for:
- A. insomnia and nausea.
- B. infertility and impotence.
- C. Down syndrome.
- D. Turner syndrome.
Correct answer: A
Rationale: Thalidomide was initially marketed as a treatment for insomnia and nausea, particularly in pregnant women. However, it was later found to cause severe birth defects, leading to significant consequences. Choice B, infertility and impotence, is incorrect as thalidomide was not marketed for these conditions. Choices C and D, Down syndrome and Turner syndrome, are genetic conditions and not conditions for which thalidomide was intended as a treatment.
5. The actual sets of traits that people exhibit are called their genotypes.
- A. TRUE
- B. FALSE
- C. Possibly
- D. Always
Correct answer: B
Rationale: The actual sets of traits that people exhibit are called phenotypes, not genotypes. Genotypes refer to the genetic makeup of an individual.
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