Betsy took a fall and broke her arm, which required that she wear a cast for a prolonged period of time. When she took the cast off, she was alarmed to see that her muscles
A. had undergone hypertrophy.
B. seemed to have an increase in blood flow.
C. looked the same as they did before the fall.
D. had undergone atrophy.
Answer: D
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Fill in the blank(s) with the appropriate word(s).
What allows you to lift different weights with the same muscle is the:
a. difference in the threshold stimulus b. number of motor units used by the muscle c. all-or-none law d. isometric contraction of the muscle fibers
The protein that enables RBCs to transport O2 is __________
Fill in the blank(s) with correct word
Which cranial bone is unique in that it articulates with every other cranial bone?
A) parietal bone B) sphenoid bone C) temporal bone D) ethmoid bone