Which of the following is the first physical sign of puberty in most females?
The development of pubic hair
Breast development
The onset of menstruation
The growth spurt
The Correct Answer is B
A. The development of pubic hair is incorrect as the first sign of puberty in most females. Pubic hair usually appears after the onset of breast development and is part of adrenarche, which occurs later in puberty.
B. Breast development is correct. The initial sign of female puberty is thelarche, or the development of breast buds, typically occurring between 8 and 13 years of age. Breast development signals the beginning of gonadarche, the activation of the hypothalamic-pituitary-ovarian axis.
C. The onset of menstruation is incorrect because menarche usually occurs 2–2.5 years after breast development. Menarche indicates more advanced pubertal development rather than the first sign.
D. The growth spurt is incorrect because although girls experience a rapid increase in height during puberty, the growth spurt usually occurs after breast budding begins, not before.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. CF causes thickened mucus that obstructs the pancreas, preventing the release of digestive enzymes is correct because cystic fibrosis leads to thick, sticky secretions that block pancreatic ducts. This prevents digestive enzymes from reaching the small intestine, resulting in malabsorption of fats, proteins, and fat-soluble vitamins, which causes poor weight gain and steatorrhea (fatty stools).
B. Children with CF have an overproduction of digestive enzymes, leading to malabsorption is incorrect because the problem in CF is insufficient delivery of enzymes to the intestine, not overproduction.
C. Digestive enzymes are needed to break down fat, which children with CF can digest more efficiently than carbohydrates is incorrect because children with CF have difficulty digesting fats due to lack of pancreatic enzymes. They do not digest fat more efficiently; instead, fat malabsorption is a hallmark of the disease.
D. Pancreatic enzyme replacement is only required when children develop diabetes, a common complication of CF is incorrect because PERT is required due to exocrine pancreatic insufficiency, not diabetes. Diabetes in CF results from endocrine pancreatic dysfunction and is unrelated to the need for digestive enzymes.
Correct Answer is D
Explanation
A. The mother begins to take on a more independent role and discusses her expectations for future parenting is incorrect because this behavior is more characteristic of the letting-go phase, when the mother moves beyond self-focus and embraces her new parental role.
B. The mother focuses on taking care of her baby and begins to establish a routine is incorrect because this behavior aligns with the taking-hold phase, when the mother becomes more actively involved in infant care and develops confidence in her maternal role.
C. The mother starts to exhibit confidence in her ability to care for the baby and takes charge of household responsibilities is incorrect because this also reflects the taking-hold phase, where independence and competence in caregiving become evident.
D. The mother is primarily focused on her own recovery and needs is correct because the taking-in phase occurs during the first 24–48 hours postpartum. During this phase, the mother is passive, dependent, and preoccupied with her own physical comfort and recovery, often reflecting on the birth experience. She may be reluctant to make decisions about the infant, needing guidance and support from healthcare providers.
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