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Author Question: Which hormone stimulates milk production after birth of the infant and expulsion of the placenta? ... (Read 74 times)

michelleunicorn

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on: Jun 28, 2018
Which hormone stimulates milk production after birth of the infant and expulsion of the placenta?
 
  a. Prolactin
  b. Estrogen
  c. Progesterone
  d. Relaxin

Question 2

Specific instruction to parents concerning care of the uncircumcised penis should include which statement(s)? (Select all that apply.)
 
  a. Retract the foreskin to expose urinary meatus for cleaning.
  b. Wash the penis with only water during infancy.
  c. Removal of the smegma (whitish lumps of skin cells) is not necessary.
  d. Use soap or diaper wipes to clean the penis after each voiding.
  e. Avoid forceful retraction of the foreskin.


Sophiapenny

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Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: A
After the birth of the infant and expulsion of the placenta, there is a rapid decrease in estrogen, progesterone, and human placental lactogen (hPL). These changes stimulate the anterior pituitary to produce prolactin, which stimulates milk production.

Answer to Question 2

ANS: B, C, E
When a newborn is not circumcised, instructions concerning penile hygiene should be provided to the parents. These include avoiding forceful retraction of the foreskin to prevent tearing, washing the penis with only water during infancy, and being aware that smegma is a normal shedding of skin cells.


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