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