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HESI Maternal Newborn
1. According to a study in 2014 by Skakkebaek et al., who among the following is most likely to have gynecomastia?
- A. Jennifer, a dancer, who has Down syndrome
- B. Frank, a teacher, who is diagnosed with XYY syndrome
- C. Peter, a fashion designer, who has Klinefelter syndrome
- D. Ria, a gym instructor, who is diagnosed with Turner syndrome
Correct answer: C
Rationale: Individuals with Klinefelter syndrome have an extra X chromosome (XXY) and typically have reduced testosterone levels, which can lead to gynecomastia (enlarged breasts). This condition is not usually associated with Down syndrome (choice A), XYY syndrome (choice B), or Turner syndrome (choice D), making them less likely to have gynecomastia.
2. Does a blastocyst gain mass only when it receives nourishment from outside?
- A. TRUE
- B. FALSE
- C. Sometimes
- D. Always
Correct answer: A
Rationale: A blastocyst does indeed require external nourishment from the mother's body to continue developing and gaining mass. Without this external nourishment, the blastocyst would not be able to grow and develop properly. Therefore, the statement that a blastocyst gains mass only when it receives nourishment from outside is true. Choices B, C, and D are incorrect because they do not accurately reflect the dependency of a blastocyst on external nourishment for its development and growth.
3. A perinatal nurse is caring for a woman in the immediate postpartum period. Assessment reveals that the client is experiencing profuse bleeding. What is the most likely cause of this bleeding?
- A. Uterine atony.
- B. Uterine inversion.
- C. Vaginal hematoma.
- D. Vaginal laceration.
Correct answer: A
Rationale: Uterine atony is significant hypotonia of the uterus and is the leading cause of postpartum hemorrhage. It results in the inability of the uterus to contract effectively after delivery, leading to excessive bleeding. Uterine inversion is a rare but serious complication that involves the turning inside out of the uterus, leading to hemorrhage, but it is not the most likely cause of profuse bleeding in this scenario. Vaginal hematoma may cause bleeding but is typically associated with pain as a primary symptom rather than profuse bleeding. Vaginal lacerations can cause bleeding, but in the presence of a firm, contracted uterine fundus, uterine atony is a more likely cause of ongoing profuse bleeding in the postpartum period.
4. During which of the following periods does the development of arms and legs occur in a pregnancy?
- A. Development of the lungs
- B. Development of the heart
- C. Development of arms and legs
- D. Development of the stomach
Correct answer: C
Rationale: The correct answer is C. The development of arms and legs occurs during the critical period of the fourth to eighth weeks of pregnancy. This timeframe is crucial for the formation of limbs and other key body parts. Choices A, B, and D are incorrect because the development of the lungs, heart, and stomach respectively occurs at different stages of fetal development and is not primarily associated with the fourth to eighth weeks of pregnancy.
5. Is a low sperm count or lack of sperm the most common infertility problem in men?
- A. TRUE
- B. FALSE
- C. Rarely
- D. Never
Correct answer: A
Rationale: A low sperm count or lack of sperm is indeed one of the most common causes of infertility in men. Factors such as hormonal imbalances, genetic issues, reproductive anatomy problems, and lifestyle factors can also contribute to male infertility. Choice B is incorrect because a low sperm count is a prevalent issue among men facing infertility, making it a common problem. Choices C and D are incorrect as they do not accurately reflect the prevalence of low sperm count as a cause of infertility in men.
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