Which spinal nerves go directly to the tissues they

44) Which spinal nerves go directly to the tissues they supply rather than forming a plexus?
A) C1 through C4
B) C4 through T1
C) T2 through T12
D) L1 through L5
E) S1 through S5
45) Which of the following is true of a dermatome? 46) How does the spinal cord function in maintaining homeostasis? 47) The motor portion of the autonomic nervous system can be divided into 48) Place the events that in a stretch reflex in the order in which they occur:
1. propagation of impulse along sensory neuron
2. generation of impulse by muscle spindle
3. integration of impulse at synapse in gray matter of spinal cord
4. activation of motor neuron in anterior gray horn
5. stimulation of muscle spindle
6. propagation of motor impulse
7. release of ACh from motor neuron
8. stimulation of muscle contraction
A) 5, 2, 1, 3, 4, 6, 7, 8
B) 2, 5, 1, 3, 4, 6, 7, 8
C) 5, 2, 3, 1, 4, 6, 7, 8
D) 5, 2, 1, 3, 6, 4, 7, 8
E) 5, 2, 1, 3, 4, 7, 6, 8

49) When an EKG or EEG is performed the attached electrodes detect what physiological activity within the cells of the
body?
50 ) A man gently strokes the lateral sole of his wife’s foot, and her toes curl toward the sole. He strokes his six month old
baby’s foot, and the baby’s big toe flexes up toward h is tibia. Should the man be concerned about the health of either his wife
or his child?