Which muscles are especially important when running up a flight of stairs at full speed? fast-twitch muscles
a.
b. slow-twitch muscles
c. smooth muscles
d. intermediate muscles
a
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One of the most prevalent psychological problems in people over age 65 is __________.
A. Parkinson's disease B. Alzheimer's disease C. arthritis D. depression
Anxiety disorders run in families. Does this mean that anxiety is heritable?
A. Yes. Based on this information, anxiety disorders are probably heritable B. Maybe, but it could be because anxious people behave in a way that means that their relatives are more likely to become anxious C. Maybe, but it could be because of the shared environment between relatives that makes them all more prone to anxiety D. Both B and C
As the snake that bit him slithered away, Captain Jones remembered that a poisonous species could kill by blocking either his ___ or his ___
A) sodium ion channels, calcium ion channels B) potassium ion channels, chloride ion channels C) calcium ion channels, chloride ion channels D) sodium ion channels, potassium ion channels
Who believed that children develop language by creating mental representations?
A) Myrtle McGraw B) Jean Piaget C) B.F. Skinner D) Lev Vygotsky