HESI LPN
HESI Focus on Maternity Exam
1. The healthcare provider is planning care for a client at 30 weeks gestation who is experiencing preterm labor. Which medication is most important in preventing this fetus from developing respiratory distress syndrome?
- A. Ampicillin 1 gram IV push every 8 hours
- B. Betamethasone 12 mg deep IM
- C. Terbutaline 0.25 mg subcutaneously every 15 minutes for 3 doses
- D. Butorphanol tartrate 1 mg IV push every 2 hours as needed
Correct answer: B
Rationale: Betamethasone is a corticosteroid given to stimulate fetal lung maturity and reduce the risk of respiratory distress syndrome in preterm infants. Ampicillin (Choice A) is an antibiotic and does not prevent respiratory distress syndrome. Terbutaline (Choice C) is a tocolytic used to inhibit contractions and does not directly prevent respiratory distress syndrome. Butorphanol tartrate (Choice D) is an opioid analgesic and does not have a role in preventing respiratory distress syndrome in preterm infants.
2. The _________ is the hollow organ within females in which the embryo and fetus develop.
- A. placenta
- B. ovum
- C. uterus
- D. amniotic sac
Correct answer: C
Rationale: The correct answer is C: uterus. The uterus is the organ where the embryo implants and the fetus develops during pregnancy. The placenta (choice A) is an organ that develops during pregnancy and provides nutrients and oxygen to the fetus, but it is not the organ where the embryo and fetus physically develop. The ovum (choice B) is the female reproductive cell or egg that is fertilized by the sperm to form an embryo, but it is not the organ where the embryo and fetus develop. The amniotic sac (choice D) is a membrane filled with amniotic fluid that surrounds and protects the fetus, but it is not the organ where the embryo and fetus physically develop.
3. When do mothers usually feel the first fetal movements during pregnancy?
- A. At 18-20 weeks
- B. During the first month
- C. Rarely
- D. Never
Correct answer: A
Rationale: Mothers usually feel the first fetal movements, known as 'quickening,' around the 18th to 20th week of pregnancy. Feeling fetal movements during the first month is unlikely and uncommon. Therefore, option B is incorrect. Options C and D are also incorrect as mothers typically do feel fetal movements during pregnancy, just not during the first month.
4. A client has bacterial vaginosis. Which of the following medications should the nurse expect to administer?
- A. Metronidazole
- B. Fluconazole
- C. Acyclovir
- D. Clindamycin
Correct answer: A
Rationale: Metronidazole is the correct choice for treating bacterial vaginosis as it is the first-line medication recommended for this condition. Metronidazole works by disrupting the DNA structure of bacteria, making it an effective treatment. Choice B, Fluconazole, is an antifungal medication primarily used for treating fungal infections, not bacterial vaginosis. Choice C, Acyclovir, is an antiviral medication used to treat viral infections, not bacterial vaginosis. Choice D, Clindamycin, is also used to treat bacterial infections but is not the first-line treatment for bacterial vaginosis, making it an incorrect choice in this scenario.
5. The nurse has received a report regarding a client in labor. The woman’s last vaginal examination was recorded as 3 cm, 30%, and –2. What is the nurse’s interpretation of this assessment?
- A. Cervix is effaced 3 cm and dilated 30%; the presenting part is 2 cm above the ischial spines.
- B. Cervix is dilated 3 cm and effaced 30%; the presenting part is 2 cm above the ischial spines.
- C. Cervix is effaced 3 cm and dilated 30%; the presenting part is 2 cm below the ischial spines.
- D. Cervix is dilated 3 cm and effaced 30%; the presenting part is 2 cm below the ischial spines.
Correct answer: B
Rationale: The correct interpretation of the assessment provided is that the cervix is dilated 3 cm and effaced 30%; the presenting part is 2 cm above the ischial spines. In the given assessment, the measurements are ordered as dilation, effacement, and station. Choice A is incorrect as it wrongly places the presenting part below the ischial spines. Choice C is incorrect because it places the presenting part below the ischial spines. Choice D is also incorrect as it incorrectly states that the presenting part is below the ischial spines, even though it correctly mentions the dilation and effacement of the cervix.
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