Nokea
If a pregnant woman at 38-weeks of gestation complains of dizziness when lying flat, the most likely cause is
- A. hyperventilation and shortness of breath
- B. nutritional imbalance
- C. supine hypotensive syndrome
Correct Answer: C
Rationale: Supine hypotensive syndrome occurs when the gravid uterus compresses the inferior vena cava.
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Which patient is most likely to develop osteoporosis?
- A. A 50-year-old patient on estrogen therapy
- B. A 55-year-old patient with a sedentary lifestyle
- C. A 65-year-old patient who walks 2 miles each day
- D. A 60-year-old patient who takes supplemental calcium
Correct Answer: B
Rationale: The correct answer is B. Osteoporosis is more common in individuals with sedentary lifestyles due to decreased bone density from lack of weight-bearing exercise. Choice A on estrogen therapy may have lower risk. Choice C, who exercises, has a reduced risk. Choice D with calcium intake may help prevent osteoporosis but not as effective as weight-bearing exercise.
The posterior ligament forms a deep pouch known as the perineal body.
- A. TRUE
- B. FALSE
- C. NA
- D. NA
Correct Answer: B
Rationale: The posterior ligament forms the posterior cul-de-sac of Douglas, not the perineal body.
The neural tube defect that is most likely to result in hydrocephalus is
- A. spina bifida occulta
- B. myelomeningocele
- C. meningocele
Correct Answer: B
Rationale: Myelomeningocele often accompanies Chiari II malformation, predisposing to hydrocephalus.
The middle school nurse is reviewing the phases of the endometrial cycle with a group of female students. Which statement by a student will the nurse need to correct?
- A. The proliferative phase occurs when the ovum is maturing.
- B. The expulsion phase occurs when the ovum is discharged from the ovary.
- C. The secretory phase occurs during the second half of the menstrual cycl
Correct Answer: A
Rationale: The correct answer is A. The proliferative phase occurs before ovulation when the endometrium thickens to prepare for implantation. This is not directly related to the maturation of the ovum. The other choices are incorrect because: B refers to ovulation, not expulsion of the ovum; C correctly states the secretory phase timing; D is incomplete.
Sticky, greenish black stool is considered characteristic of
- A. a newborn infant
- B. a breastfed infant
- C. a formula fed infant
Correct Answer: A
Rationale: Meconium, the first stool of a newborn, is sticky and greenish-black.