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Nervous System Quiz 462 (20 MCQs)

Quiz Instructions

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1. The ..... ear contains the malleus, incus and stapes.
2. What part of a neuron carries nerve impulses away from the cell body?
3. What do the villi do?
4. Which part of a neuron sends out a signal to another cell?
5. If an elderly person experiences impaired coordination, this may be attributed to the loss of myelin sheath around the axon
6. This part of the brain receives information from sensory receptors and directs it to the correct area of the brain.
7. Outermost layer of the meninges, "tough mother"
8. If a person cannot hear the sound produced by the tuning fork through the air but can hear the sound when the tuning fork is placed on the bone of the skull behind the ear, what type of hearing loss do they most likely have?
9. Once a gated Na+ channel is open, positive ions will enter through the channels to get inside the neuron. Which of the following can cause the gated channels to open?
10. The muscle that turns the hand inward so the palm faces downward are the .....
11. Neurons need continuous and abundant supplies of oxygen and glucose. They use about 20% of the body's energy, and cannot survive more than a few minutes without oxygen. What characteristic of the neuron is this?
12. How many neurons make up the brain?
13. Symptoms of Parkinson's disease include tremors, stiffness, muscular rigidity, a shuffling gait, and loss of facial expression.
14. The basic cell type of the nervous system is known as the .....
15. The part of the brain responsible for conducting impulses between brain parts and for certain eye and auditory reflexes is the .....
16. What is the other term for nerve cell?
17. Normally, the inside of the axon is ..... compared to the outside.
18. What three things do sensory receptors detect?
19. Part of the brain that controls voluntary movements and thought processes
20. If you picked up a hot coal, ..... with endings in your fingertips would convey the information to your CNS that it was really hot.
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