The plexus that originates from spinal nerves L1-L4 is the
A) cervical plexus.
B) brachial plexus.
C) lumbar plexus.
D) sacral plexus.
E) coccygeal plexus.
Answer: C) lumbar plexus.
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Two safety issues associated with MRI are ___________________ and ___________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is least related to glycolysis?
a. NADH b. ATP c. pyruvate d. CO2 e. glucose
During osmosis,
a. water moves down its own concentration gradient. b. water moves to an area of higher solute concentration. c. the solute moves against its concentration gradient. d. only (a) and (b) above. e. all of these answers.
A gated channel that responds to changes in transmembrane potential is called a(n) ________ channel
A) leak-gated B) voltage-gated C) chemically gated D) mechanically gated E) ATP