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Author Question: Which of the following is a characteristic of the fetal stage of prenatal development? A) The ... (Read 155 times)

waynest

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on: Jun 19, 2018
Which of the following is a characteristic of the fetal stage of prenatal development?
 
  A) The fetus alternates between wakefulness and sleep.
  B) The fetus develops female sex organs regardless of its genetic code.
  C) The fetus's heart has its first heartbeat.
  D) The fetus's nervous system begins to transmit messages.

Question 2

Which of the following statements is true of a neural impulse?
 
  A) A neural impulse jumps across a synaptic cleft like an electrical spark because of the polarization of chloride ions.
  B) The process by which a neural impulse travels is electrochemical.
  C) A neural impulse is carried by efferent neurons and not by afferent neurons.
  D) The strength of a neural impulse varies from high to low depending on the distance travelled by it.


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xoxo123

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Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

B


waynest

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Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review

Jossy

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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