KIN 100 Lecture Notes - Lecture 27: Nucleolus, Stretch Reflex, Muscle Spindle

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cerisebuffalo390

23 May 2016

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The nervous system has two major divisions: peripheral nervous system. Components of the nervous system that are in the periphery of the body. Includes: motor nerves, sensory nerves, receptors: central nervous system (cns) Components of the nervous system that are central to the body. If we were to record the force produced by type i and type ii muscle fibers, Type i is a more broader peak and type ii has a sharp peak, higher than type i: motor nerves that innervate type i muscle fibers are different than those that innervate type ii muscle fibers. The soleus muscle (at the back of the calf) in the rat is completely type i fibers. The forearm or front limb in the rat is completely type ii fibers. Researchers took the slow nerve from the soleus and connected it to the fhl and took the fast nerve from the fhl and connected it to the soleus.

Related Questions

1. When you touch a hotstove a nerve impulse travels up your arm, passes briefly throughyour central nervous system, and a response is sent down your armto move your hand. The system described here

A.	would also rely on an effector.
B.	has evolved only in humans.
C.	constitutes a neural network.
D.	does not involve the peripheral nervous system.
E.	Both a and c

Which of the followingstatements about voltage-gated channel proteins is true?

A.	If the membrane voltage reaches threshold potential,ions are pumped through the membrane.
B.	If the membrane voltage reaches threshold potential,ions can diffuse through the membrane.
C.	Ions can move through the membrane only if theoverall membrane voltage stays the same.
D.	Ions are pumped through the membrane in order tomaintain existing membrane voltage.
E.	When the gates close, membrane voltage does notchange.

Following depolarization,the neural membrane potential is restored in some neurons when

A.	Na⁺ ions rush outward through themembrane.
B.	K⁺ ions rush outward through themembrane.
C.	Cl

orangehare220

Believe it or not, untreated syphilis infections can have major impacts on the central nervous system. Left unchecked, the virus can damage the spinal cord. A patient reports to the ER with a case of syphilis; they report impaired muscle function and lack of sensation in their legs. An MRI shows a blockage on the lateral and dorsal portions of the (patients) right side of the spinal cord at T-6 (thoracic 6). Explain, in detail, what deficits the patient would expierence.

a) what sensory deficits does the patient experience on the same side as the blockage?

b) what motor deficits does the patient experience on the same side of the blockage?

amaranthcricket432

1. The two major divisions of the nervous system are the CNS and the PNS.(T or F)

2. Action potentials normally travel along an axon in either direction depending on the needs of the animal.(T or F)

3. The axon of a nerve cell carries signals toward the part of the cell that houses the nucleus.(T or F)

4. When you are nervous you notice that your mouth is dry and your heart is racing. This is caused by the sympathetic division of your autonomic nervous system.(T or F)

5. The PNS consists of the somatic nervous system which controls smooth muscles etc. and the autonomic nervous system which sends messages to the skeletal muscles. (T or F)

6. When you do not have 20/20 vision and wear contact lenses or eye glasses, they work to improve your sight because they bend the light rays to correct your vision. (T or F)

7. All of the following are examples of a general category of sensory receptors: thermoreceptors, mechanoreceptors, electromagnetic receptors, chemoreceptors, and auditory receptors.(T or F)

8. If an animal is diurnal (active during the day) it probably has more cones in its eyes to distinguish more colors because its prey may have evolved to be camouflaged in the daylight.(T or F)

9. If you could not move the muscles in your eye, you would still expect that you could focus on different objects at different distances.(T or F)

10. If you had a pet spider and looked him lovingly in the eye you would see that he has a compound eye rather than a single lens like you would find in your own eye. (T or F)

KIN 100 Lecture Notes - Lecture 27: Nucleolus, Stretch Reflex, Muscle Spindle

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