A patient with poliomyelitis (which characterized by spinal cord damage) has disorder of skeletal muscles function. What neurons were destructed in this disorder? a. Pseudounipolar b. Pseudounipolar and associative (interneurons) c. Associative (interneurons) d. Motor neurons e. Interneurons and motor

A patient with poliomyelitis (which characterized by spinal cord damage) has disorder of skeletal muscles function. What neurons were destructed in this disorder? a. Pseudounipolar b. Pseudounipolar and associative (interneurons) c. Associative (interneurons) d. Motor neurons e. Interneurons and motor

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter16: The Body's System

Section: Chapter Questions

Problem 26RQ: Which part of the nervous system directly controls the digestive system? a. parasympathetic nervous...

See similar textbooks

Similar questions

which of the following does not describe the somatic nervous system? A. motor neurons that innervate glands, cardiac and skeletal muscle B. a system of motor neurons that innervate all muscle cells c. voluntary nervous system d. general sensory for skin and joints.
All motor neurons release acetylcholine as a neurotransmitter except a. Postganglionic sympathetic neurons b. Somatic motor neurons c. Postganglionic parasympathetic neurons d. Specific cardiac and smooth muscle fibers
Select the statement that best describes the local circuitry of the spinal cord. a. There is no local circuitry within the spinal cord. b. Local circuits enable the same neurons to innervate both distal and proximal muscles. c. Neurons that innervate distal muscles are interconnected across the midline. d. None of the answers. e. Neurons that innervate proximal muscles are interconnected through many spiral cord segments.
The subdivision of the brain that does not initiate somatic motor movements, but rather coordinates and fine-tunes those movements, is the a. medulla oblongata. b. cerebrum. c. cerebellum. d. diencephalon.
Fill in the blankes The somatic motor neurons innervating the __________________ of the lower limbs are located in the _________________ of the spinal cord. A. smooth muscles; lumbar region B. skeletal muscles; cervical region C. skeletal muscles; lumbar region D. skin; cervical region
Somatic motor neurons have axons the conduct signals from the CNS to _ ; and are usually under _ control. a. Skeletal muscle; involuntary b. Hollow organs; voluntary c. Hollow organs; involuntary d. Skeletal muscle; voluntary
The thoracic spinal cord has the smallest dorsal horn area because: a. the trunk is the most innervated area of the body and therefore there are more projections into the dorsal horn there. b. the trunk is the least innervated area of the body and therefore there are fewer projections into the dorsal horn there. c. most of the descending upper motor neurons have already entered the ventral horn. d. There are many motor neurons to control the small muscles around the spine.
Cells found in the choroid plexuses that secrete cerebrospinalfluid area. astrocytes. d. oligodendrocytes.b. microglia. e. Schwann cells.c. ependymal cells
What do multiple sclerosis and ALS (amyotropic lateral sclerosis) have in common?a. They both are more common in young men than in young women.b. They both impair the initiation of action potentials.c. They both damage the myelin sheath, disrupting action potential transmission.d. They both impair nerve function in the peripheral nervous system
You stick your tongue out to make your friend laugh. The structure of the brain that controls this movement, and the division of the nervous system it is part of, respectively are: Select one: a. the cerebrum and the autonomic nervous system b. the cerebrum and the somatic nervous system c. the medulla oblongota and the autonomic nervous system d. the medulla oblongota and the somatic nervous system
When do neural discharges in the brain have their strongest effect? a. When the discharge rate of individual nerve cell is highest b. When individual nerve cells fire in regular way c. When the coherence of discharges in groups of nerve cells is greatest d. When many nerve cells have burst activity
Spinal nerves are called mixed nerves because they (a) are associated with a pair of dorsal root ganglia. (b) exit at intervertebral foramina. (c) contain sensory and motor fibers. (d) are associated with a pair of dorsal and ventral roots.