HESI LPN
Maternity HESI Practice Questions
1. What is the process in which the double helix of deoxyribonucleic acid (DNA) duplicates?
- A. Amniocentesis
- B. Mitosis
- C. Meiosis
- D. Mutation
Correct answer: B
Rationale: Mitosis is the correct answer because it is the process of cell division in which a cell duplicates its DNA and divides into two identical daughter cells. During mitosis, the DNA is replicated, and each daughter cell receives an identical copy of the genetic material. Amniocentesis is a medical procedure to collect amniotic fluid for prenatal genetic testing and is not related to DNA duplication. Meiosis is a type of cell division that produces gametes with half the genetic material of the parent cell, leading to genetic diversity. Mutation is a permanent alteration in the DNA sequence that can lead to genetic variations but is not the process of DNA duplication.
2. Genotypes are solely based on genetic information.
- A. TRUE
- B. FALSE
- C. Sometimes
- D. Never
Correct answer: B
Rationale: The correct answer is B - FALSE. Genotypes are solely based on genetic information and do not reflect environmental influences. Phenotypes, on the other hand, result from the interaction of genetic and environmental factors. Choices A, C, and D are incorrect because genotypes are not influenced by environmental factors, and they are determined by an individual's genetic makeup.
3. A new mother who is a lacto-ovo vegetarian plans to breastfeed her infant. Which information should the nurse provide prior to discharge?
- A. Continue prenatal vitamins with B12 while breastfeeding
- B. Avoid using Lanolin-based nipple cream or ointment
- C. Offer iron-fortified supplemental formula daily
- D. Weigh the baby weekly to evaluate the newborn's growth
Correct answer: A
Rationale: The correct answer is A: 'Continue prenatal vitamins with B12 while breastfeeding.' Vitamin B12 is crucial for lacto-ovo vegetarian mothers to prevent deficiencies in both the mother and the infant. Choice B is incorrect as Lanolin-based nipple cream is safe for use during breastfeeding. Choice C is not necessary unless there are specific indications for iron supplementation. Choice D, weighing the baby weekly, is important for monitoring growth but not specifically related to the mother's diet.
4. A client at 34 weeks gestation comes to the birthing center complaining of vaginal bleeding that began one hour ago. The nurse's assessment reveals approximately 30ML of bright red vaginal bleeding, fetal heart rate of 130 - 140 beats per minute, no contractions, and no complaints of pain. What is the most likely cause of this client's bleeding?
- A. Abruptio Placenta
- B. Placenta Previa
- C. Normal bloody show indicating induction of labor
- D. A ruptured blood vessel in the vaginal vault
Correct answer: B
Rationale: Placenta previa, a condition where the placenta covers the cervix, can cause painless, bright red vaginal bleeding in the third trimester. In this scenario, the absence of contractions and pain, along with the presence of significant bright red bleeding, is more indicative of placenta previa rather than abruptio placenta or a ruptured vessel. A normal bloody show typically occurs closer to the onset of labor and is not associated with the amount of bleeding described in the question.
5. A client who is pregnant and follows a vegan diet asks a nurse for guidance on foods high in calcium. Which of the following foods has the highest amount of calcium?
- A. ½ cup cubed avocado
- B. 1 large banana
- C. 1 medium potato
- D. 1 cup cooked broccoli
Correct answer: D
Rationale: The correct answer is D: 1 cup of cooked broccoli. Broccoli is an excellent source of calcium, making it a suitable choice for a vegan diet. Avocado (Choice A), banana (Choice B), and potato (Choice C) are not significant sources of calcium compared to broccoli. Avocado and banana are primarily sources of other nutrients like healthy fats and potassium, respectively. Potato is a good source of vitamin C and potassium but not calcium. Therefore, for a pregnant client following a vegan diet and seeking calcium-rich foods, cooked broccoli is the most appropriate choice.
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