Brain & Spinal Cord Review
Which of the following are prevented from entering the interstitial fluid of the brain, due to the blood-brain barrier?
-Waste products in the blood -Some hormones
Place in order the circulation of cerebrospinal fluid.
1.) CSF is produced by the choroid plexus in the ventricles. 2.) CSF flows from the 3rd ventricle through the cerebral aqueduct into the 4th ventricle. 3.) CSF flows through the paired lateral apertures or the single medial aperture and into the central canal of the spinal cord. 4.) CSF flows through the subarachnoid space and removes waste products. 5.) CSF flows into the arachnoid villi and drains into the dural venous sinuses.
How many major regions comprise the human brain?
4
Which of the following is NOT a role of astrocytes in the formation and function of the blood-brain barrier?
Allows all medications to enter the brain tissue
Involved in emotion, especially fear
Amygdaloid body
A person who can understand a sentence, but would have trouble repeating it, may have a problem in
Broca's area.
Focuses on emotionally significant events
Cingulate gyrus
function of the hypothalamus.
Control of autonomic nervous system Control of the endocrine system Control of emotional behavior Control of food and water intake Regulation of sleep-wake rhythms
Forms the thalamus, hypothalamus, and epithalamus
Diencephalon
T/F: Damage to the ventral root of a spinal nerve would mean that the sensory input of the reflex arc would be interrupted.
FALSE
Does not form a new secondary vesicle
Mesencephalon
Forms the pons and cerebellum
Metencephalon
Forms the medulla oblongata
Myelencephalon
Processes visual input and helps store visual memories
Occipital lobe
Function is associated with the hippocampus
Parahippocampal gyrus
General sensory functions, such as touch and taste
Parietal lobe
Put the cranial meninges in order, from deep (closest to the brain) to superficial (farthest from the brain).
Pia mater Arachnoid mater Dura mater
a function of cerebrospinal fluid.
Provides bouyancy to the brain Protects the brain from sudden movements Controls the chemical environment surrounding the brain
T/F: All reflexes share the property of being an involuntary response.
TRUE
Forms the cerebrum
Telencephalon
Involved with hearing and smell.
Temporal lobe
Which division of the diencephalon acts as an information filter for sensory information that is forwarded to the cerebrum?
Thalamus
Cerebrospinal fluid enters the third ventricle of the brain by way of the
interventricular foramina.
A ___________ __________ conducts action potentials from the stimulus site to the spinal cord
motor neuron
The sensory neurons conduct action potentials through the ________ ________ of the spinal cord
posterior root
A __________ __________ conducts action potentials from the spinal cord to an effector organ
sensory neuron
A stimulus is detected by a
sensory receptor
The most direct effect of severing the corpus callosum would be that
the cerebral hemispheres could not directly communicate.
Voluntary motor functions, verbal communication, and personality
Frontal lobe
Essential for the formation of long-term memory
Hippocampus
What structure is essential in storing memories and forming long-term memory?
Hippocampus
In what way does the cerebellum coordinate and "fine tune" skeletal muscle movements?
It stores memories of previously learned movement patterns. It regulates activity along the voluntary and involuntary motor pathways.
Which language area provides understanding of the spoken and written word?
Wernicke's area
The motor neurons conduct action potentials through the _________ ________ of the spinal cord.
anterior root
The name of the glial cell that covers the capillaries in the brain with its perivascular feet, helping to form the blood-brain barrier is a(n) ______________.
astrocyte
As you are reading these words on the screen, what part of your brain is allowing you to perform the complex, conscious intellectual task of reading and comprehension?
cerebrum
