Bursae are found in all of the following areas except
A) tendon sheaths.
B) beneath the skin covering a bone.
C) within connective tissue exposed to friction or pressure.
D) around blood vessels.
E) around many synovial joints.
D
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Give two morphological characteristics of erythrocytes. Why is each advantageous to the cell?
What will be an ideal response?
Tubular secretion of potassium
a. is controlled by the distal portions of the nephron. b. occurs through the sodium potassium pump. c. is minimized due to reabsorption in the proximal tubule. d. involves passive diffusion from the tubular cell to the lumen. e. all of these.
A single motor neuron in the central nervous system, which receives a number of EPSPs and IPSPs simultaneously, illustrates which type of neuronal circuit?
A) convergent pathway B) divergent pathway C) reverberating circuit D) parallel after-discharge circuit
When the nerve impulse encounters a myelin-covered section of neuron:
a. it moves slower than it would in nonmyelinated sections b. it stops c. it jumps over the myelin d. none of the above