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Nervous System Quiz 171 (20 MCQs)

Quiz Instructions

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1. A biological scientist would most likely research .....
2. What part of the Motor (efferent) division is in control of voluntary movement?
3. The spinal cord's second main function is to serve as a reflex center. Sometimes, before a message could reach the brain, the spinal cord has already provided an appropriate response which is called reflex action. (Ex. when you accidentally touch a hot object, your hand jerks immediately without a thought).
4. Carry air to and from your lungs for the trachea (windpipe) to the lungs. These also help moisturize the air you breathe and screen out foreign particles.
5. Responds to motor output
6. What is the name of the chemical message that travels across the synapse?
7. Leading organ and the center of the reflex actions
8. The change in membrane potential from-70 mV to-90 mV is called
9. What would be an example of an INVOLUNTARY response?
10. If a person suffered a head injury and her primary symptoms included trouble balancing and coordinating basic movements, which part of the brain is most likely damaged?
11. What does the Skin system do?
12. Name the two major parts of the central nervous system.
13. Nerve cells responsible for receiving external stimuli from the body's environment and passing that signal through nerves to the Central Nervous System.
14. A dramatic change/ depolarization past-55 mV initiates an ..... in a neuron and causes a neural transmission.
15. Passes the signal on to the interneuron in the spinal cord
16. The "bumps" on the surface of the brain are called .....
17. Which part of the nervous system detects changes inside and outside the body?
18. What type of memory would be affected by a lesion to the hippocampus?
19. ..... is the eye disorder in which there is an increased pressure in the fluid of the eye, which interferes the optic nerve functioning.
20. The greatest visual acuity is found at the:
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