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Author Question: Twins who originate from a single ovum and sperm are: a. Identical or monozygotic b. ... (Read 74 times)

mspears3

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on: Jun 28, 2018
Twins who originate from a single ovum and sperm are:
 
  a. Identical or monozygotic
  b. Nonidentical or monozygotic
  c. Fraternal or dizygotic
  d. Fraternal or monozygotic

Question 2

A mother who had no prenatal care delivers in the emergency department. She did not know her due date. The infant looks rather thin and has long nails, abundant hair, little vernix caseosa, and dry skin.
 
  The nurse would estimate the infant's gestational age as _____ weeks.
  a. Less than 34
  b. Approximately 36
  c. Approximately 40
  d. More than 42


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joshbk44

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

ANS: A
Twins who originate from a single ovum and sperm share the same genetic makeup and will be identical. The term monozygotic means of one zygote, whereas dizygotic refers to two zygotes.

Answer to Question 2

ANS: D
The characteristics described are typical of a postterm (postmature) infant, that is, one born past 42 weeks' gestation.


mspears3

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Reply 2 on: Jun 28, 2018
Thanks for the timely response, appreciate it

helenmarkerine

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Reply 3 on: Yesterday
Gracias!

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