Anatomy- Chapter 7 Quizlet (actual test questions)
What contains centers that control the heart rate, blood pressure, breathing, and swallowing?
Medulla oblongata
What relays station for impulses passing to the sensory cortex?
Thalamus
Cerebrospinal fluid is reabsorbed into venous blood in the dural sinuses via the ...
arachnoid villus
Support cells in the CNS that mop up leaked ions and anchor neurons to capillaries are called...
astrocytes
In order to excite a muscle cell, acetylcholine must...
bind to receptors in the sarcolemma of the muscle cell
Loss of muscle coordination results from damage to the...
cerebellum
What part of the brain stem houses reflex centers for vision and hearing?
corpora quadrigemina
In adults, bipolar nuerons are are found in the __________ and the _________.
eye and ear
(True or false) There are 31 pairs of cranial nerves and 12 pairs of spinal nerves)
false
(true or false) Microglial cells beat their cilia to help circulate cerebrospinal fluid.
false
(true or false) The thalamus plays a role in regulation of body temperature, metabolism, and water balance.
false
(true or false) the fastest mechanism for producing ATP is aerobic respiration
false
What helps regulate body temperature, water balance, and metabolism?
hypothalamus
The hypothalamus is the "emotional-visceral" center of the brain and it is an important part of the...
limbic system
The fissure in the brain that separates the two cerebral hemispheres is called the _________.
longitudinal fissure.
The sensory homunculus is located in the primary somatic sensory area in the ...
parietal lobe
Each spinal nerve branches into a ventral and dorsal...
ramus
An action potential is caused by an influx of these ions into the cell...
sodium
Fibers that carry information from the skin, joints, and skeletal muscles to the central nervous system are...
somatic sensory
Cell bodies of the sensory neurons of the spinal nerves are located in...
the dorsal root ganglia of the spinal cord
Bundles of nerve fibers running through the CNS are called _________ whereas in the PNS, they are called _____________.
tracts and nerves
(true or false) The collection of spinal nerves at the inferior end of the spinal cord is called the cauda equina.
true
Which cranial nerve descends into the thoracic and abdominal cavities to regulate heart rate and promote digestive activity?
vagus
