What is the function of the occipital lobe of the cerebrum?
A. Hearing
B. Smell
C. Touch
D. Vision
Answer: D
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An eccentric contraction is described as
A. action potential frequency is high enough that no relaxation of muscle fibers occurs. B. a muscle produces an increasing tension during contraction. C. a muscle produces tension, but the length of the muscle is increasing. D. a muscle produces constant tension during contraction. E. a muscle produces increasing tension as it shortens.
Muscles visible at the body surface are often called
A) internus. B) rectus. C) profundus. D) intrinsic. E) superficialis.
About 80% of the human skeleton is replaced yearly as a result of bone remodeling
Indicate whether this statement is true or false.
In most vessels, epinephrine and norepinephrine cause ______ but in skeletal and cardiac muscle, these hormones cause ____________.
A. vasoconstriction; vasodilatation B. vasodilatation; vasoconstriction C. increases to blood flow; decreases to blood flow D. increases in oxygen concentration; decreases in oxygen concentration E. both C and B