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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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
Muscles visible at the body surface are often called
A) internus. B) rectus. C) profundus. D) intrinsic. E) superficialis.
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.