Of all fertilized eggs, only about a fourth survives and reaches the uterus; the body reabsorbs the ...

Of all fertilized eggs, only about a fourth survives and reaches the uterus; the body reabsorbs the others.
 
  Indicate whether this statement is true or false.

Question 2

All of the following are considered environmental teratogens except:
 
  A. opiates
  B. radiation
  C. lead
  D. mercury

Question 3

Which of the following is not a common teratogen?
 
  A. alcohol
  B. nicotine
  C. prescription and illicit drugs
  D. preeclampsia

Question 4

Which structure plays an important role in memory, the ability to learn new information rapidly, and processing and packaging the context of memory?
 
  A. hippocampus
  B. pons
  C. amygdala
  D. medulla oblongata

Question 5

Glial cells do all of the following except:
 
  A. help brain cells find their way up cerebral walls.
  B. provide support and protection for neurons.
  C. carry messages across synapses.
  D. consume dead neurons.

Question 6

Which of the following statements is not true about drug use in the United States?
 
  A. Concerns about infants exposed to cocaine have been underestimated in the past.
  B. Women routinely lie about their drug use during pregnancy.
  C. Prenatal marijuana exposure did not appear to have an important impact on postnatal development when it was used in isolation.
  D. Withdrawal symptoms for infants are more severe and prolonged for methadone than heroin