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Cerebrum & Cerebellum contain thick folds called ___, with the purpose of?
Gryi, to increase surface area
Two cerebral hempisheres are separated into right/left hemp. by a deep groove called the?
Cerebrospinal fluid serves to?
Support weight of brain, remove metabolic wastes, stable chemical environment, cushion brain
In a ____ neuronal circuit, input to one neuron leads to multiple neurons, which output to other neruons
In inner ear, transducer that converts vibrations caused by sound to nerve impulses is the ____?
Organ of corti
Which of the following is a cranial nerve involved with taste or smell?
Vagus, oflactory nerve, glossopharyngeal, facial nerve
Controlled by the Vestible, determines the orientations of the head when the body is not moving
The blind spot in each visual field is a region in which ____?
Optic disk, no rods or cones here, where optic nerve leaves the brain to take impulses to the cerebrum
Processing, storing, and retrieving info. is the function of what nervous system?
Central nervous system
The _____ nervous system carries the brain and spinal cord signals to other organs?
Peripheral nervous system
What happens during the rising phase of an action potential?
The sharp rise in depolarization and sodium permeability
Blood capillaries of the brain are developed by ____ which provide a barrier between the brain and neurons and capillaries?
The oligondendrocyle is found in the ____ and functions to?
brain, to insulate the axons in the central nervous system of the verebrates
In an autopsy, a pathologist found an area of brain tissue with very high concentrations of microglia. That area of the brain most likely?
That area of the brain had an infection and/or inflammation
Most adult brain tumors are composed of ___ cells and cannot be treated by chemotherapy because of the ____
In this disorder, oligodendrocytes and myelin sheaths of the CNS deteriorate and are replaced by hardened scar tissue?
In what way does the intertior surface of a cell membrane of a polarized (resting) neuron differ from the external environment? The interior is?
Bobby learned to ride a bike at 4 and rode a lot. The next time was years later. He was pleased to find the skill was not lost. This type of memory is called____
A nurse pricks your finger to type your blood. You flinch at the pain, pulling back your hand. This is called the ____
Nerve to the pelvic region and lower limbs arise from an area of the spinal cord called the ____ enlargement?
What disease has degeneration of motor neurons, and in most cases, neurons are destoryed by the inability of astrocytes to reabsorb glutamate, which allows this neurotransmitter to reach toxic levels?
This plexus is formed by the ventral of nerves C5 to TI. It reneurates the upper limb and some muscles of the nuck and shoulder?
In the patellar tendon reflex arc, the patellar legament is stretched, which stretches the quadriceps femoris muscle. This reflex will cause the quadriceps femoris to?
An uconcious automatic response to stimulation of glanas cardiac or smooth muscle is a ___ reflex?
Sympathetic stimulation of the advenal medulla causes it to release three hormones of these three hormones ____ is the primary hormone released?
The system that stimulates normal conditions in the body such as lowered heart rate, increased gastrointestinal activities (digestion), secretion, and defecation is the?
Your ___ division will stimulate an increase in heart rate, blood pressure, and reduce the blood fow to your skin and digestive tract?
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