Fluid-filled sacs that cushion synovial joints are called
A. fat pads.
B. articular discs.
C. bursae.
D. menisci.
E. diarthroses.
C
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A transverse plane will cut a body or organ into
a) anterior and posterior portions. b) left and right portions. c) superior and inferior portions. d) portions separated at an angle to its longitudinal axis. e) unequal left and right portions.
If all else remains equal, an increase in the difference between atmospheric and alveolar pressure results in an increase in airflow
Indicate whether this statement is true or false.
When two or more graded potentials arrive at the trigger zone, which of the following could happen?
A) An excitatory and inhibitory signal can cancel each other out and two excitatory stimuli may be additive, and summation could occur. B) Two inhibitory stimuli may be additive, resulting in lower excitability. C) An excitatory and inhibitory signal can cancel each other out; two excitatory stimuli may be additive, and summation could occur; and two inhibitory stimuli may be additive, resulting in lower excitability. D) Two excitatory stimuli may be additive, and summation could occur. E) An excitatory and inhibitory signal can cancel each other out.
When is the thymus most active?
A) during old age B) during middle age C) throughout life D) during infancy and youth E) from puberty to adulthood