Author Question: In what percentage of children with autism do symptoms arise in toddlerhood rather than in infancy? ... (Read 122 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
In what percentage of children with autism do symptoms arise in toddlerhood rather than in infancy?
 
  a. 30 percent
  b. 50 percent
  c. 75 percent
  d. 100 percent

Question 2

Which statement about current views of the causes of autism is correct?
 
  a. Autism is most likely caused by reactions to immunizations or early childhood infections.
  b. Although many genes appear to be associated with autism, no clear causal relationship between a specific genetic abnormality and the occurrence of autism has been established.
  c. Research indicates that the cause will be located in an area of the X chromosome.
  d. Environmental factors, such as family configuration, are thought to be the primary cause.



Joc

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

a

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

For a complete list of videos, visit our video library