Which of the following applies to postganglionic neurons of the ANS sympathetic division?
A) Some fibers do not synapse until the collateral ganglia.
B) Their cell bodies are situated in the lateral gray horns of the spinal cord.
C) Their cell bodies are located between spinal segments T1 and L2.
D) Their axons synapse with the peripheral effector organs.
E) Their axons emerge along the ventral roots of the spinal cord between segments T1 and L2.
D) Their axons synapse with the peripheral effector organs.
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Negative nitrogen balance is commonly seen in individuals who
A. are pregnant or growing. B. have lost blood or are malnourished.
Interferon
a. forms a membrane-attack complex b. causes lysis of invading microbes c. nonspecifically defends against viruses d. stimulates histamine release from mast cells e. is secreted by lymphoid tissues
The four large blood vessels, two from each lung, that empty into the left atrium, completing the pulmonary circuit, are the:
venae cavae subclavian veins pulmonary veins pulmonary arteries none of the choices are correct
A living cell placed into a hypertonic solution will:
a. Draw water into the cell and expand b. Explode from increased intracellular pressure c. Lose the permeability of the membrane d. Lose water from the cell and shrink