what is the first sign of puberty in females
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Nursing Elites

ATI RN

ATI Nursing Care of Children 2019 B

1. What is typically the first sign of puberty in females?

Correct answer: A

Rationale: The correct answer is A: Breast development (thelarche) is usually the first sign of puberty in females, typically beginning between ages 8 and 13. This marks the start of puberty, followed by pubic hair growth, a growth spurt, and eventually menarche (the onset of menstruation). Pubic hair growth and axillary hair growth usually follow breast development in the sequence of pubertal changes. Therefore, the first noticeable change indicating the onset of puberty in females is the development of breast buds.

2. Rectal temperatures are indicated in which situation?

Correct answer: B

Rationale: Rectal temperatures provide the most accurate measurement of core body temperature and are therefore indicated when accuracy is essential.

3. What is the appropriate site to administer an intramuscular (IM) vaccine to a newborn?

Correct answer: B

Rationale: The correct site to administer an intramuscular (IM) vaccine to a newborn is the vastus lateralis muscle. For newborns, the vastus lateralis is preferred over the dorsogluteal site because the dorsogluteal site has been associated with low antibody seroconversion rates, indicating a reduced immune response. The vastus lateralis is also recommended for IM injections in newborns, while the deltoid muscle is preferred for older infants and children. The ventral gluteal muscle and the biceps muscle are not appropriate sites for IM injections. Therefore, choice B is the correct answer.

4. The nurse is planning care for a hospitalized preschool-aged child. Which should the nurse plan to ensure atraumatic care?

Correct answer: C

Rationale: Allowing the child to make choices, such as selecting the type of juice, helps to maintain a sense of control and reduce anxiety, ensuring atraumatic care.

5. What laboratory finding should the nurse expect in a child with an excess of water?

Correct answer: A

Rationale: Water excess typically leads to hemodilution, resulting in a decreased hematocrit. High serum osmolality and specific gravity would indicate dehydration, while elevated BUN could suggest renal impairment or dehydration, not fluid overload.

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