Which of the following would be recruited later in muscle stimulation when contractile strength increases?
A) large motor units with small, highly excitable neurons
B) motor units with the longest muscle fibers
C) many small motor units with the ability to stimulate other motor units
D) motor units with larger, less excitable neurons
D
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The innermost layer of the muscularis is smooth muscle that ________.
A. lies in the direction of the canal B. encircles the canal C. surrounds only the stomach D. keeps the outer surface of the intestines moist
What organ is responsible for producing most of the plasma proteins known as the complement system?
A) spleen B) heart C) liver D) kidney
The cells that cover the outer surfaces of CNS capillaries cells are the
A) microglia. B) astrocytes. C) monocytes. D) leukocytes. E) lymphocytes.
What is the action of the subclavius?
A) elevates the scapula B) depresses the shoulder C) protracts the shoulder D) depresses and protracts the shoulder E) adducts the scapula