Which of the following regions of the spinal cord follows typical segmenting without mixing roots?
A) cervical
B) sacral
C) lumbar
D) thoracic
E) All of the answers are correct.
D) thoracic
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When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________.
A) postsynaptic potential B) excitatory potential C) action potential D) generator potential
A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate
Indicate whether the statement is true or false
Centers for the control of respiration and circulatory function are located in the hypothalamus
Indicate whether the statement is true or false
Penile erection is related to changes in blood flow. How?
A. Engorgement of the penis with arterial blood compresses the veins in the penis B. Erection is produced when venous blood outflow from the penis is increased C. Increased sympathetic input to the penis leads to an erection D. Increased blood flow to the penis causes the skeletal muscle to undergo prolonged contraction E. Increased parasympathetic input leads to the release of nitric oxide and vasodilation