Which of the following is not a function associated with the spinal cord?
A. Conduct sensory information up to the brain
B. Protect neurons in both the ascending and descending tracts
C. Coordinate the alternating contraction of several muscle groups associated with locomotion
D. Mediate a reflex, such as the withdrawal of a hand from pain
E. Conduct motor information down the cord
Answer: B
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A) molecule with an extra electron. B) molecule with an extra proton. C) charged particle. D) molecule with an extra neutron. E) molecule with an unpaired electron.
After contraction has occurred, the calcium is
A. destroyed by cholinesterase. B. chemically bound to the cross bridges. C. secreted by the Golgi apparatus to the outside of the cell. D. released from troponin. E. returned to the sarcolemma.
________ is a high-energy molecule made and spent by cells during metabolism.
A. ATP B. ADP C. AMP D. A&P
Gustatory receptors are found in the taste buds of all the following papillae except
A) vallate. B) foliate. C) fungiform. D) filiform.