Which of the following folk sayings is most consistent with the message of the advertisers in the video clip "Beautiful"?
A. Beauty is in the eye of the beholder.
B. Absence makes the heart grow fonder.
C. Out of sight, out of mind.
D. A bird in the hand is worth two in the bush.
A. Beauty is in the eye of the beholder.
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A thickened area of scar tissue that is covered by a shiny, smooth epidermal surface is called a
A) keloid. B) contusion. C) hematoma. D) psoriasis. E) sclerotome.
The two primary curves of the adult vertebral column are the
a) thoracic and sacral curves. b) lumbar and sacral curves. c) cervical and lumbar curves. d) cervical and thoracic curves. e) cervical and sacral curves.
Answer the following statement(s) true (T) or false (F)
1. Somatic reflexes involve responses by skeletal, smooth, and cardiac muscles. 2. The stretch reflex is the tendency of a muscle to stretch when it is overcontracted. 3. The tendon reflex is the inhibition of a muscle's contraction that occurs when its tendon is excessively stretched. 4. The crossed extension reflex is the contraction of the extensors on one side of the body when the flexors are contracted on the other side.
Which of the following is/are characteristic(s) of muscle fatigue?
A. reduction in muscle force B. reduction in shortening velocity C. prolonged relaxation of motor units between recruitment D. both A and B E. all of the above