Spinal nerves are called mixed nerves because they contain both sensory and motor nerve fibers.
Answer the following statement true (T) or false (F)
True
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Bill first had the influenza vaccine in October. He experienced a headache, achiness, fatigue, and a fever. When he came into contact with the influenza virus a few months later, he hardly had any symptoms at all. Explain these two different immune
responses seen with each exposure to the virus. What will be an ideal response?
Match each of the terms with its definition or description.
a. pia mater b. dura mater c. cranial nerves d. spinal nerves e. arachnoid mater f. dermatome g. parasympathetic nervous system h. sympathetic nervous system i. acetylcholine j. norepinephrine 1. _____ Skin surface that is supplied by a single spinal nerve 2. _____ Outermost and toughest of the meninges 3. _____ 31 pairs of these make up part of the peripheral nervous system 4. _____ “Cobweb”–like part of the meninges 5. _____ Regulates the “fight or flight” response 6. _____ Thin innermost layer of the meninges 7. _____ 12 pairs of these make up part of the peripheral nervous system 8. _____ Neurotransmitter that is released from the postganglionic axons of the parasympathetic nervous system 9. _____ Sometimes called the craniosacral nervous system 10. _____ Neurotransmitter that is released from the postganglionic axon or the sympathetic nervous system
) Explain why an 80-year-old woman requires a much longer time to recover from the flu than does a woman who is age 30.
What will be an ideal response?
Label the schematic of the autoclave with the correct descriptions.