Chapter 14 And 16 Practice Quiz Flashcards
Dorsal root ganglion
Spinal nerve
Each of these sensory receptors is accurately matched with its function except
Thermoreceptors - detect change in pressure
Which statement is false about reflex
Reflex is a voluntary rapid response to the stimulus
_____________ are found within the dorsal root ganglion.
Cell bodies of sensory neurons
In the spinal cord, gray matter is organized into
dorsal and ventral horns
There are ___________ pairs of cervical spinal nerves and ___________ pairs of thoracic spinal nerves
8 and 12
Which type of receptor detects volumes of digestive materials in the colon
Baroreceptors
There are __________ major plexuses of the spinal nerves.
4
Cutting all the right ventral roots in the cervical and thoracic spinal cord would cause a decrease in the ability to:
Move the right arm
The epidural space is found between the dura mater and the __________.
Vertebra
Which of the following correctly defines referred pain?
pain felt in a part of the body other than its actual source.
Interneuron
When someone touches a hot stove, the rapid, automatic, preprogrammed response that preserves homeostasis is provided by the
spinal reflex
The center of somatic motor control that plans and initiates voluntary motor activity is the
Cerebral cortex
Ventral root
Which of the following is a function of the spinal cord?
Transmit sensory information to the cerebral cortex
Transmit motor commands from the cerebral cortex
Serve as an integratio
Effector
Which of the following statements is false?
The spinal cord itself extends the length of the entire vertebral column.
Ascending and descending tracts of the spinal cord occur in the
columns
Which of the following statements about the spinal cord is NOT correct
It extends to the level of lumbar vertebra three in an adult.
dermatomes
are clinically important because they indicate which spinal nerve may have suffered damage or infection.
are regions of skin supplied by specific spinal nerves.
are areas of skin that may have a loss of sensation if the spinal nerves supplying
