Author Question: In what percentage of children with autism do symptoms arise in toddlerhood rather than in infancy? ... (Read 93 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?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

For a complete list of videos, visit our video library