Muscle fiber fatigue results from ______.
A. calcium ion imbalances as ATP levels drop
B. a perception by the individual that additional muscular work is not possible
C. insufficient acetylcholine
D. insufficient stimulus of the muscle fiber at the neuromuscular junction
Answer: A. calcium ion imbalances as ATP levels drop
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The __________ horn is the area of the spinal cord that contains somas of somatic motor neurons.
Fill in the blank(s) with the appropriate word(s).
A child is born with a congenital disease that results in total loss of B cells. Which of the following would be a consequence of this immunodeficiency?
A. Inability to form any type of memory cell B. No antigens on the cells C. Lack of antibody formation D. No lymphokine production E. Nonfunctioning complement system
The esophagus is prone to more disorders in the elderly than in younger people.
Answer the following statement true (T) or false (F)
the _______________ _______________ is a three-headed muscle on the posterior side of the humerus.
Fill in the blank(s) with the appropriate word(s).