Author Question: The student nurse encounters a 15-year-old girl who reports that she has no pubic or axillary hair ... (Read 72 times)

melina_rosy

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The student nurse encounters a 15-year-old girl who reports that she has no pubic or axillary hair and has not yet experienced growth of her breasts. The student asks the nurse about the physiology of this occurrence.
 
  The nurse explains that the patient probably lacks which hormone? 1. Testosterone
  2. Progesterone
  3. Estrogen
  4. Prolactin

Question 2

The mother of a 16-week-old infant calls the clinic, concerned because she cannot feel the posterior fontanelle on her infant. Which response by the nurse would be most appropriate?
 
  1. It is normal for the posterior fontanelle to close by 812 weeks after birth.
  2. Bring your infant to the clinic immediately.
  3. This is due to overriding of the cranial bones during labor.
  4. Your baby must be dehydrated.



nikmaaacs

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Answer to Question 1

3
Rationale 1: Testosterone is the primary hormone responsible for the development of secondary sex characteristics in males.
Rationale 2: Progesterone and prolactin do not accomplish this change.
Rationale 3: Estrogen is the primary hormone responsible for the development of secondary sex characteristics in females.
Rationale 4: Progesterone and prolactin do not accomplish this change.

Answer to Question 2

1
Rationale 1: This is a normal finding at 16 weeks. The posterior fontanelle closes within 812 weeks.
Rationale 2: There is no reason to bring the infant to the clinic.
Rationale 3: Overriding of the cranial bones is referred to as molding, and diminishes within a few days following birth.
Rationale 4: Fontanelles can be depressed when the infant is dehydrated.



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