Nervous System and Nervous Tissue Flashcards
(24 cards)
Myelin sheath gaps (nodes of Ranvier) are found _______.
on myelinated axons
Which class of neuron is rare in the human body and found in some special sensory organs?
Bipolar
All of the following are found in the PNS EXCEPT ________.
microglia
Myelin sheaths in the CNS are produced by the ________.
oligodendrocytes
Neuroglial cells that line the ventricles of the brain are the ______.
ependymal cells
Nociceptors respond to what type of stimulus?
Touch
Sound
Vibration
Pain
Receptors sensitive to stimuli arising outside the body are classified as ________.
exteroceptors
Nerves that only carry information to the CNS are classified as ________.
afferent
A group of neuron cell bodies in the PNS is a ________.
ganglion
Nerves that innervate our upper limbs arise from the _________.
brachial plexus
Parts of this cranial nerve are numbed during dental work.
Trigeminal (V)
Partial paralysis of facial muscles could be due to a problem with which cranial nerve?
Facial (VII)
The area of skin innervated by a single spinal nerve is called a(n) __________.
dermatome
Our “funny bone” is actually this nerve.
Ulnar
The central sulcus divides which two lobes of the cerebrum?
Frontal and parietal
If you are looking at the arbor vitae, which part of the brain are you examining?
Cerebellum
The basal nuclei are part of the _________.
cerebrum
The innermost meninx that protects the brain and spinal cord is the _________.
pia mater
Fibers that connect gray matter between the two cerebral hemispheres are called ________.
corpus callosum
Broca’s area is important in coordinating muscles involved in ________.
speech
The cardiovascular center is found in the ________.
medulla oblongata
This region of the brain could be described as the relay centre of sensory input.
Thalamus
All of the following are factors in transferring short-term memory to long-term memory EXCEPT ________.
consolidation
These brain waves are emitted during deep sleep.
Delta
