Intrafusal muscle fibers
A. are found in muscle spindles.
B. are responsible for muscle contractions.
C. provide feedback regarding muscle contractions.
D. are located at the junction between a muscle and tendon.
Answer: A
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Alfred Kinsey argued that homosexuality and heterosexuality are
a. end points on a "sexual orientation" continuum. b. orientations based on early learning. c. orientations that are a function of genetics. d. value judgments and should be of little concern to scientists.
Janet proposed that hysteria was caused by mental phenomena
a. True b. False
If you were asked to describe the pattern of the average age of menarche onset in Europe between 1840 and today, you should say,
a. "The average age of onset has dropped about 4 years.". b. "The average age of onset has dropped about 2 years.". c. "The average age of onset has increased about 2 years.". d. "The average age of onset has increased about 4 years.".
Infants who have been sleeping through the night start waking up again between the ages of 18 and 24 months old. According to your text book, which of the following is one explanation for this?
They become more aware that they are sleeping by themselves. They have more nightmares. They watch too much television. They drink too many liquids before bedtime.