To protect against selection bias, the sampling method of choice is _______________ sampling rather than convenience sampling.

If the cell body is intact, a peripheral nerve can regenerate at a rate of

a. 0.01 mm/day b. 0.1 mm/day c. 1 mm/day d. 10 mm/day

The abbreviation DPAHC stands for ____________________.

Fill in the blank(s) with the appropriate word(s).