This topic contains a solution. Click here to go to the answer

Author Question: Twelve-year-old Heather has a smaller head circumference and less gray matter thickness than typical ... (Read 109 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
Twelve-year-old Heather has a smaller head circumference and less gray matter thickness than typical children of her same age, sex, and size. It is most likely that
 
  a. Heather's mother used alcohol and other drugs during her pregnancy.
 b. Heather's mother has PKU.
 c. Heather has PKU.
 d. Heather has fragile X syndrome.

Question 2

As you bend your arm up to take a drink, the ________ muscles are active, and when you extend your arm to put the glass down, the ________ muscles are active.
 
  a. striated; smooth
 b. flexor; extensor
 c. extensor; flexor
 d. Type II; Type I



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Brenm

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

a

Answer to Question 2

b





 

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

For a complete list of videos, visit our video library